/*
* BSD 2-Clause License
*
* Copyright (C) 2014-2016, Lazaros Koromilas <lostd@2f30.org>
* Copyright (C) 2014-2016, Dimitris Papastamos <sin@2f30.org>
* Copyright (C) 2016-2019, Arun Prakash Jana <engineerarun@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef __linux__
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#if defined(__arm__) || defined(__i386__)
#define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit */
#endif
#include <sys/inotify.h>
#define LINUX_INOTIFY
#if !defined(__GLIBC__)
#include <sys/types.h>
#endif
#endif
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#define BSD_KQUEUE
#else
#include <sys/sysmacros.h>
#endif
#include <sys/wait.h>
#ifdef __linux__ /* Fix failure due to mvaddnwstr() */
#ifndef NCURSES_WIDECHAR
#define NCURSES_WIDECHAR 1
#endif
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#ifndef _XOPEN_SOURCE_EXTENDED
#define _XOPEN_SOURCE_EXTENDED
#endif
#endif
#ifndef __USE_XOPEN /* Fix wcswidth() failure, ncursesw/curses.h includes whcar.h on Ubuntu 14.04 */
#define __USE_XOPEN
#endif
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <limits.h>
#ifdef __gnu_hurd__
#define PATH_MAX 4096
#endif
#include <locale.h>
#include <stdio.h>
#ifndef NORL
#include <readline/history.h>
#include <readline/readline.h>
#endif
#include <regex.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include <unistd.h>
#ifndef __USE_XOPEN_EXTENDED
#define __USE_XOPEN_EXTENDED 1
#endif
#include <ftw.h>
#include <wchar.h>
#include "nnn.h"
#include "dbg.h"
/* Macro definitions */
#define VERSION "2.5"
#define GENERAL_INFO "BSD 2-Clause\nhttps://github.com/jarun/nnn"
#ifndef S_BLKSIZE
#define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */
#endif
#define LEN(x) (sizeof(x) / sizeof(*(x)))
#undef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#undef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#define ISODD(x) ((x) & 1)
#define ISBLANK(x) ((x) == ' ' || (x) == '\t')
#define TOUPPER(ch) \
(((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch))
#define CMD_LEN_MAX (PATH_MAX + ((NAME_MAX + 1) << 1))
#define CURSR ">>"
#define EMPTY " "
#define CURSYM(flag) ((flag) ? CURSR : EMPTY)
#define FILTER '/'
#define MSGWAIT '$'
#define REGEX_MAX 48
#define BM_MAX 10
#define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */
#define NAMEBUF_INCR 0x800 /* 64 dir entries at once, avg. 32 chars per filename = 64*32B = 2KB */
#define DESCRIPTOR_LEN 32
#define _ALIGNMENT 0x10 /* 16-byte alignment */
#define _ALIGNMENT_MASK 0xF
#define TMP_LEN_MAX 64
#define CTX_MAX 4
#define DOT_FILTER_LEN 7
#define ASCII_MAX 128
#define EXEC_ARGS_MAX 8
#define SCROLLOFF 5
#define LONG_SIZE sizeof(ulong)
/* Entry flags */
#define DIR_OR_LINK_TO_DIR 0x1
#define FILE_COPIED 0x10
/* Macros to define process spawn behaviour as flags */
#define F_NONE 0x00 /* no flag set */
#define F_MULTI 0x01 /* first arg can be combination of args; to be used with F_NORMAL */
#define F_NOWAIT 0x02 /* don't wait for child process (e.g. file manager) */
#define F_NOTRACE 0x04 /* suppress stdout and strerr (no traces) */
#define F_NORMAL 0x08 /* spawn child process in non-curses regular CLI mode */
#define F_CLI (F_NORMAL | F_MULTI)
/* CRC8 macros */
#define WIDTH (sizeof(unsigned char) << 3)
#define TOPBIT (1 << (WIDTH - 1))
#define POLYNOMIAL 0xD8 /* 11011 followed by 0's */
#define CRC8_TABLE_LEN 256
/* Version compare macros */
/*
* states: S_N: normal, S_I: comparing integral part, S_F: comparing
* fractional parts, S_Z: idem but with leading Zeroes only
*/
#define S_N 0x0
#define S_I 0x3
#define S_F 0x6
#define S_Z 0x9
/* result_type: VCMP: return diff; VLEN: compare using len_diff/diff */
#define VCMP 2
#define VLEN 3
/* Volume info */
#define FREE 0
#define CAPACITY 1
/* TYPE DEFINITIONS */
typedef unsigned long ulong;
typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned short ushort;
/* STRUCTURES */
/* Directory entry */
typedef struct entry {
char *name;
time_t t;
off_t size;
blkcnt_t blocks; /* number of 512B blocks allocated */
mode_t mode;
ushort nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */
uchar flags; /* Flags specific to the file */
} __attribute__ ((aligned(_ALIGNMENT))) *pEntry;
/* Bookmark */
typedef struct {
int key;
char *loc;
} bm;
/*
* Settings
* NOTE: update default values if changing order
*/
typedef struct {
uint filtermode : 1; /* Set to enter filter mode */
uint mtimeorder : 1; /* Set to sort by time modified */
uint sizeorder : 1; /* Set to sort by file size */
uint apparentsz : 1; /* Set to sort by apparent size (disk usage) */
uint blkorder : 1; /* Set to sort by blocks used (disk usage) */
uint showhidden : 1; /* Set to show hidden files */
uint copymode : 1; /* Set when copying files */
uint showdetail : 1; /* Clear to show fewer file info */
uint ctxactive : 1; /* Context active or not */
uint reserved : 8;
/* The following settings are global */
uint curctx : 2; /* Current context number */
uint dircolor : 1; /* Current status of dir color */
uint picker : 1; /* Write selection to user-specified file */
uint pickraw : 1; /* Write selection to sdtout before exit */
uint nonavopen : 1; /* Open file on right arrow or `l` */
uint autoselect : 1; /* Auto-select dir in nav-as-you-type mode */
uint metaviewer : 1; /* Index of metadata viewer in utils[] */
uint useeditor : 1; /* Use VISUAL to open text files */
uint runplugin : 1; /* Choose plugin mode */
uint runctx : 2; /* The context in which plugin is to be run */
uint filter_re : 1; /* Use regex filters */
uint wild : 1; /* Do not sort entries on dir load */
uint trash : 1; /* Move removed files to trash */
} settings;
/* Contexts or workspaces */
typedef struct {
char c_path[PATH_MAX]; /* Current dir */
char c_last[PATH_MAX]; /* Last visited dir */
char c_name[NAME_MAX + 1]; /* Current file name */
char c_fltr[REGEX_MAX]; /* Current filter */
settings c_cfg; /* Current configuration */
uint color; /* Color code for directories */
} context;
/* GLOBALS */
/* Configuration, contexts */
static settings cfg = {
0, /* filtermode */
0, /* mtimeorder */
0, /* sizeorder */
0, /* apparentsz */
0, /* blkorder */
0, /* showhidden */
0, /* copymode */
1, /* showdetail */
1, /* ctxactive */
0, /* reserved */
0, /* curctx */
0, /* dircolor */
0, /* picker */
0, /* pickraw */
0, /* nonavopen */
1, /* autoselect */
0, /* metaviewer */
0, /* useeditor */
0, /* runplugin */
0, /* runctx */
1, /* filter_re */
0, /* wild */
0, /* trash */
};
static context g_ctx[CTX_MAX] __attribute__ ((aligned));
static struct entry *dents;
static char *pnamebuf, *pcopybuf;
static int ndents, cur, curscroll, total_dents = ENTRY_INCR;
static int xlines, xcols;
static uint idle;
static uint idletimeout, copybufpos, copybuflen;
static char *opener;
static char *copier;
static char *editor;
static char *pager;
static char *shell;
static char *home;
static char *initpath;
static char *cfgdir;
static char *g_cppath;
static char *plugindir;
static blkcnt_t ent_blocks;
static blkcnt_t dir_blocks;
static ulong num_files;
static bm bookmark[BM_MAX];
static size_t g_tmpfplen;
static uchar g_crc;
static uchar BLK_SHIFT = 9;
static bool interrupted = FALSE;
/* Retain old signal handlers */
#ifdef __linux__
static sighandler_t oldsighup; /* old value of hangup signal */
static sighandler_t oldsigtstp; /* old value of SIGTSTP */
#else
static sig_t oldsighup;
static sig_t oldsigtstp;
#endif
/* For use in functions which are isolated and don't return the buffer */
static char g_buf[CMD_LEN_MAX] __attribute__ ((aligned));
/* Buffer to store tmp file path to show selection, file stats and help */
static char g_tmpfpath[TMP_LEN_MAX] __attribute__ ((aligned));
/* Replace-str for xargs on different platforms */
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#define REPLACE_STR 'J'
#elif defined(__linux__) || defined(__CYGWIN__)
#define REPLACE_STR 'I'
#else
#define REPLACE_STR 'I'
#endif
/* Options to identify file mime */
#ifdef __APPLE__
#define FILE_OPTS "-bIL"
#else
#define FILE_OPTS "-biL"
#endif
/* Macros for utilities */
#define MEDIAINFO 0
#define EXIFTOOL 1
#define OPENER 2
#define ATOOL 3
#define BSDTAR 4
#define LOCKER 5
#define PIPES 6
#define NLAUNCH 7
#define UNKNOWN 8
/* Utilities to open files, run actions */
static char * const utils[] = {
"mediainfo",
"exiftool",
#ifdef __APPLE__
"/usr/bin/open",
#elif defined __CYGWIN__
"cygstart",
#else
"xdg-open",
#endif
"atool",
"bsdtar",
#ifdef __APPLE__
"bashlock",
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
"lock",
#else
"vlock",
#endif
"pipes.sh",
"nlaunch",
"UNKNOWN"
};
#ifdef __linux__
static char cp[] = "cpg -giRp";
static char mv[] = "mvg -gi";
#endif
/* Common strings */
#define STR_INPUT_ID 0
#define STR_INVBM_KEY 1
#define STR_DATE_ID 2
#define STR_TMPFILE 3
#define NONE_SELECTED 4
#define UTIL_MISSING 5
static const char * const messages[] = {
"no traversal",
"invalid key",
"%F %T %z",
"/.nnnXXXXXX",
"empty selection",
"utility missing",
};
/* Supported configuration environment variables */
#define NNN_BMS 0
#define NNN_OPENER 1
#define NNN_CONTEXT_COLORS 2
#define NNN_IDLE_TIMEOUT 3
#define NNN_COPIER 4
#define NNN_NOTE 5
#define NNNLVL 6 /* strings end here */
#define NNN_USE_EDITOR 7 /* flags begin here */
#define NNN_NO_AUTOSELECT 8
#define NNN_RESTRICT_NAV_OPEN 9
#define NNN_TRASH 10
#ifdef __linux__
#define NNN_OPS_PROG 11
#endif
static const char * const env_cfg[] = {
"NNN_BMS",
"NNN_OPENER",
"NNN_CONTEXT_COLORS",
"NNN_IDLE_TIMEOUT",
"NNN_COPIER",
"NNN_NOTE",
"NNNLVL",
"NNN_USE_EDITOR",
"NNN_NO_AUTOSELECT",
"NNN_RESTRICT_NAV_OPEN",
"NNN_TRASH",
#ifdef __linux__
"NNN_OPS_PROG",
#endif
};
/* Required environment variables */
#define SHELL 0
#define VISUAL 1
#define EDITOR 2
#define PAGER 3
static const char * const envs[] = {
"SHELL",
"VISUAL",
"EDITOR",
"PAGER",
};
/* Event handling */
#ifdef LINUX_INOTIFY
#define NUM_EVENT_SLOTS 16 /* Make room for 16 events */
#define EVENT_SIZE (sizeof(struct inotify_event))
#define EVENT_BUF_LEN (EVENT_SIZE * NUM_EVENT_SLOTS)
static int inotify_fd, inotify_wd = -1;
static uint INOTIFY_MASK = /* IN_ATTRIB | */ IN_CREATE | IN_DELETE | IN_DELETE_SELF
| IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO;
#elif defined(BSD_KQUEUE)
#define NUM_EVENT_SLOTS 1
#define NUM_EVENT_FDS 1
static int kq, event_fd = -1;
static struct kevent events_to_monitor[NUM_EVENT_FDS];
static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK
| NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE;
static struct timespec gtimeout;
#endif
/* Function macros */
#define exitcurses() endwin()
#define clearprompt() printmsg("")
#define printwarn(presel) printwait(strerror(errno), presel)
#define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/')
#define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1)
#define settimeout() timeout(1000)
#define cleartimeout() timeout(-1)
#define errexit() printerr(__LINE__)
#define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE))
/* We don't care about the return value from strcmp() */
#define xstrcmp(a, b) (*(a) != *(b) ? -1 : strcmp((a), (b)))
/* A faster version of xisdigit */
#define xisdigit(c) ((unsigned int) (c) - '0' <= 9)
#define xerror() perror(xitoa(__LINE__))
/* Forward declarations */
static void redraw(char *path);
static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag);
static int (*nftw_fn)(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf);
static int dentfind(const char *fname, int n);
static void move_cursor(int target, int ignore_scrolloff);
/* Functions */
/*
* CRC8 source:
* https://barrgroup.com/Embedded-Systems/How-To/CRC-Calculation-C-Code
*/
static uchar crc8fast(const uchar * const message, size_t n)
{
uchar data, remainder = 0;
size_t byte = 0;
/* CRC data */
static const uchar crc8table[CRC8_TABLE_LEN] __attribute__ ((aligned)) = {
0, 94, 188, 226, 97, 63, 221, 131, 194, 156, 126, 32, 163, 253, 31, 65,
157, 195, 33, 127, 252, 162, 64, 30, 95, 1, 227, 189, 62, 96, 130, 220,
35, 125, 159, 193, 66, 28, 254, 160, 225, 191, 93, 3, 128, 222, 60, 98,
190, 224, 2, 92, 223, 129, 99, 61, 124, 34, 192, 158, 29, 67, 161, 255,
70, 24, 250, 164, 39, 121, 155, 197, 132, 218, 56, 102, 229, 187, 89, 7,
219, 133, 103, 57, 186, 228, 6, 88, 25, 71, 165, 251, 120, 38, 196, 154,
101, 59, 217, 135, 4, 90, 184, 230, 167, 249, 27, 69, 198, 152, 122, 36,
248, 166, 68, 26, 153, 199, 37, 123, 58, 100, 134, 216, 91, 5, 231, 185,
140, 210, 48, 110, 237, 179, 81, 15, 78, 16, 242, 172, 47, 113, 147, 205,
17, 79, 173, 243, 112, 46, 204, 146, 211, 141, 111, 49, 178, 236, 14, 80,
175, 241, 19, 77, 206, 144, 114, 44, 109, 51, 209, 143, 12, 82, 176, 238,
50, 108, 142, 208, 83, 13, 239, 177, 240, 174, 76, 18, 145, 207, 45, 115,
202, 148, 118, 40, 171, 245, 23, 73, 8, 86, 180, 234, 105, 55, 213, 139,
87, 9, 235, 181, 54, 104, 138, 212, 149, 203, 41, 119, 244, 170, 72, 22,
233, 183, 85, 11, 136, 214, 52, 106, 43, 117, 151, 201, 74, 20, 246, 168,
116, 42, 200, 150, 21, 75, 169, 247, 182, 232, 10, 84, 215, 137, 107, 53,
};
/* Divide the message by the polynomial, a byte at a time */
while (byte < n) {
data = message[byte] ^ (remainder >> (WIDTH - 8));
remainder = crc8table[data] ^ (remainder << 8);
++byte;
}
/* The final remainder is the CRC */
return remainder;
}
static void sigint_handler(int sig)
{
interrupted = TRUE;
}
static uint xatoi(const char *str)
{
int val = 0;
if (!str)
return 0;
while (xisdigit(*str)) {
val = val * 10 + (*str - '0');
++str;
}
return val;
}
static char *xitoa(uint val)
{
static char ascbuf[32] = {0};
int i;
for (i = 30; val && i; --i, val /= 10)
ascbuf[i] = '0' + (val % 10);
return &ascbuf[++i];
}
/* Messages show up at the bottom */
static inline void printmsg(const char *msg)
{
mvprintw(xlines - 1, 0, "%s\n", msg);
}
static void printwait(const char *msg, int *presel)
{
printmsg(msg);
if (presel)
*presel = MSGWAIT;
}
/* Kill curses and display error before exiting */
static void printerr(int linenum)
{
exitcurses();
perror(xitoa(linenum));
if (!cfg.picker && g_cppath)
unlink(g_cppath);
free(pcopybuf);
exit(1);
}
/* Print prompt on the last line */
static void printprompt(const char *str)
{
clearprompt();
printw(str);
}
static int get_input(const char *prompt)
{
int r;
if (prompt)
printprompt(prompt);
cleartimeout();
r = getch();
settimeout();
return r;
}
static void xdelay(void)
{
refresh();
usleep(350000); /* 350 ms delay */
}
static char confirm_force(void)
{
int r = get_input("use force? [y/Y]");
if (r == 'y' || r == 'Y')
return 'f'; /* forceful */
return 'i'; /* interactive */
}
/* Increase the limit on open file descriptors, if possible */
static rlim_t max_openfds(void)
{
struct rlimit rl;
rlim_t limit = getrlimit(RLIMIT_NOFILE, &rl);
if (limit != 0)
return 32;
limit = rl.rlim_cur;
rl.rlim_cur = rl.rlim_max;
/* Return ~75% of max possible */
if (setrlimit(RLIMIT_NOFILE, &rl) == 0) {
limit = rl.rlim_max - (rl.rlim_max >> 2);
/*
* 20K is arbitrary. If the limit is set to max possible
* value, the memory usage increases to more than double.
*/
return limit > 20480 ? 20480 : limit;
}
return limit;
}
/*
* Wrapper to realloc()
* Frees current memory if realloc() fails and returns NULL.
*
* As per the docs, the *alloc() family is supposed to be memory aligned:
* Ubuntu: http://manpages.ubuntu.com/manpages/xenial/man3/malloc.3.html
* macOS: https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/malloc.3.html
*/
static void *xrealloc(void *pcur, size_t len)
{
void *pmem = realloc(pcur, len);
if (!pmem)
free(pcur);
return pmem;
}
/*
* Just a safe strncpy(3)
* Always null ('\0') terminates if both src and dest are valid pointers.
* Returns the number of bytes copied including terminating null byte.
*/
static size_t xstrlcpy(char *dest, const char *src, size_t n)
{
if (!src || !dest || !n)
return 0;
ulong *s, *d;
size_t len = strlen(src) + 1, blocks;
const uint _WSHIFT = (LONG_SIZE == 8) ? 3 : 2;
if (n > len)
n = len;
else if (len > n)
/* Save total number of bytes to copy in len */
len = n;
/*
* To enable -O3 ensure src and dest are 16-byte aligned
* More info: http://www.felixcloutier.com/x86/MOVDQA.html
*/
if ((n >= LONG_SIZE) && (((ulong)src & _ALIGNMENT_MASK) == 0 &&
((ulong)dest & _ALIGNMENT_MASK) == 0)) {
s = (ulong *)src;
d = (ulong *)dest;
blocks = n >> _WSHIFT;
n &= LONG_SIZE - 1;
while (blocks) {
*d = *s; // NOLINT
++d, ++s;
--blocks;
}
if (!n) {
dest = (char *)d;
*--dest = '\0';
return len;
}
src = (char *)s;
dest = (char *)d;
}
while (--n && (*dest = *src)) // NOLINT
++dest, ++src;
if (!n)
*dest = '\0';
return len;
}
/*
* The poor man's implementation of memrchr(3).
* We are only looking for '/' in this program.
* And we are NOT expecting a '/' at the end.
* Ideally 0 < n <= strlen(s).
*/
static void *xmemrchr(uchar *s, uchar ch, size_t n)
{
if (!s || !n)
return NULL;
uchar *ptr = s + n;
do {
--ptr;
if (*ptr == ch)
return ptr;
} while (s != ptr);
return NULL;
}
static char *xbasename(char *path)
{
char *base = xmemrchr((uchar *)path, '/', strlen(path)); // NOLINT
return base ? base + 1 : path;
}
static int create_tmp_file()
{
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, messages[STR_TMPFILE], TMP_LEN_MAX - g_tmpfplen);
return mkstemp(g_tmpfpath);
}
/* Writes buflen char(s) from buf to a file */
static void writecp(const char *buf, const size_t buflen)
{
if (cfg.pickraw || !g_cppath)
return;
FILE *fp = fopen(g_cppath, "w");
if (fp) {
if (fwrite(buf, 1, buflen, fp) != buflen)
printwarn(NULL);
fclose(fp);
} else
printwarn(NULL);
}
static void appendfpath(const char *path, const size_t len)
{
if ((copybufpos >= copybuflen) || ((len + 3) > (copybuflen - copybufpos))) {
copybuflen += PATH_MAX;
pcopybuf = xrealloc(pcopybuf, copybuflen);
if (!pcopybuf)
errexit();
}
copybufpos += xstrlcpy(pcopybuf + copybufpos, path, len);
}
/* Write selected file paths to fd, linefeed separated */
static ssize_t selectiontofd(int fd, uint *pcount)
{
uint lastpos, count = 0;
char *pbuf = pcopybuf;
ssize_t pos = 0, len, r;
if (pcount)
*pcount = 0;
if (!copybufpos)
return 0;
lastpos = copybufpos - 1;
while (pos <= lastpos) {
len = strlen(pbuf);
pos += len;
r = write(fd, pbuf, len);
if (r != len)
return pos;
if (pos <= lastpos) {
if (write(fd, "\n", 1) != 1)
return pos;
pbuf += len + 1;
}
++pos;
++count;
}
if (pcount)
*pcount = count;
return pos;
}
static void showcplist(void)
{
int fd;
ssize_t pos;
if (!copybufpos)
return;
fd = create_tmp_file();
if (fd == -1) {
DPRINTF_S("mkstemp failed!");
return;
}
pos = selectiontofd(fd, NULL);
close(fd);
if (pos && pos == copybufpos)
spawn(pager, g_tmpfpath, NULL, NULL, F_CLI);
unlink(g_tmpfpath);
}
static bool cpsafe(void)
{
/* Fail if selection file path not generated */
if (!g_cppath) {
printmsg("selection file not found");
return FALSE;
}
/* Warn if selection not completed */
if (cfg.copymode) {
printmsg("finish selection first");
return FALSE;
}
/* Fail if selection file path isn't accessible */
if (access(g_cppath, R_OK | W_OK) == -1) {
errno == ENOENT ? printmsg(messages[NONE_SELECTED]) : printwarn(NULL);
return FALSE;
}
return TRUE;
}
/* Reset copy indicators */
static void resetcpind(void)
{
int r = 0;
/* Reset copy indicators */
for (; r < ndents; ++r)
if (dents[r].flags & FILE_COPIED)
dents[r].flags &= ~FILE_COPIED;
}
/* Initialize curses mode */
static bool initcurses(void)
{
short i;
if (cfg.picker) {
if (!newterm(NULL, stderr, stdin)) {
fprintf(stderr, "newterm!\n");
return FALSE;
}
} else if (!initscr()) {
char *term = getenv("TERM");
if (term)
fprintf(stderr, "error opening TERM: %s\n", term);
else
fprintf(stderr, "initscr!\n");
return FALSE;
}
cbreak();
noecho();
nonl();
//intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
mousemask(BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED | BUTTON2_CLICKED, NULL);
curs_set(FALSE); /* Hide cursor */
start_color();
use_default_colors();
/* Initialize default colors */
for (i = 0; i < CTX_MAX; ++i)
init_pair(i + 1, g_ctx[i].color, -1);
settimeout(); /* One second */
set_escdelay(25);
return TRUE;
}
/* No NULL check here as spawn() guards against it */
static int parseargs(char *line, char **argv)
{
int count = 0;
argv[count++] = line;
while (*line) { // NOLINT
if (ISBLANK(*line)) {
*line++ = '\0';
if (!*line) // NOLINT
return count;
argv[count++] = line;
if (count == EXEC_ARGS_MAX)
return -1;
}
++line;
}
return count;
}
static pid_t xfork(uchar flag)
{
pid_t p = fork();
if (p > 0) {
/* the parent ignores the interrupt, quit and hangup signals */
oldsighup = signal(SIGHUP, SIG_IGN);
oldsigtstp = signal(SIGTSTP, SIG_DFL);
} else if (p == 0) {
/* so they can be used to stop the child */
signal(SIGHUP, SIG_DFL);
signal(SIGINT, SIG_DFL);
signal(SIGQUIT, SIG_DFL);
signal(SIGTSTP, SIG_DFL);
if (flag & F_NOWAIT)
setsid();
}
if (p == -1)
perror("fork");
return p;
}
static int join(pid_t p, uchar flag)
{
int status = 0xFFFF;
if (!(flag & F_NOWAIT)) {
/* wait for the child to exit */
do {
} while (waitpid(p, &status, 0) == -1);
if (WIFEXITED(status)) {
status = WEXITSTATUS(status);
DPRINTF_D(status);
}
}
/* restore parent's signal handling */
signal(SIGHUP, oldsighup);
signal(SIGTSTP, oldsigtstp);
return status;
}
/*
* Spawns a child process. Behaviour can be controlled using flag.
* Limited to 2 arguments to a program, flag works on bit set.
*/
static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag)
{
pid_t pid;
int status, retstatus = 0xFFFF;
char *argv[EXEC_ARGS_MAX] = {0};
char *cmd = NULL;
if (!file || !*file)
return retstatus;
/* Swap args if the first arg is NULL and second isn't */
if (!arg1 && arg2) {
arg1 = arg2;
arg2 = NULL;
}
if (flag & F_MULTI) {
size_t len = strlen(file) + 1;
cmd = (char *)malloc(len);
if (!cmd) {
DPRINTF_S("malloc()!");
return retstatus;
}
xstrlcpy(cmd, file, len);
status = parseargs(cmd, argv);
if (status == -1 || status > (EXEC_ARGS_MAX - 3)) { /* arg1, arg2 and last NULL */
free(cmd);
DPRINTF_S("NULL or too many args");
return retstatus;
}
argv[status++] = arg1;
argv[status] = arg2;
} else {
argv[0] = file;
argv[1] = arg1;
argv[2] = arg2;
}
if (flag & F_NORMAL)
exitcurses();
pid = xfork(flag);
if (pid == 0) {
if (dir && chdir(dir) == -1)
_exit(1);
/* Suppress stdout and stderr */
if (flag & F_NOTRACE) {
int fd = open("/dev/null", O_WRONLY, 0200);
dup2(fd, 1);
dup2(fd, 2);
close(fd);
}
execvp(*argv, argv);
_exit(1);
} else {
retstatus = join(pid, flag);
DPRINTF_D(pid);
if (flag & F_NORMAL)
refresh();
free(cmd);
}
return retstatus;
}
/* Get program name from env var, else return fallback program */
static char *xgetenv(const char *name, char *fallback)
{
char *value = getenv(name);
return value && value[0] ? value : fallback;
}
/* Checks if an env variable is set to 1 */
static bool xgetenv_set(const char *name)
{
char *value = getenv(name);
if (value && value[0] == '1' && !value[1])
return TRUE;
return FALSE;
}
/* Check if a dir exists, IS a dir and is readable */
static bool xdiraccess(const char *path)
{
DIR *dirp = opendir(path);
if (!dirp) {
printwarn(NULL);
return FALSE;
}
closedir(dirp);
return TRUE;
}
static void cpstr(char *buf)
{
snprintf(buf, CMD_LEN_MAX,
#ifdef __linux__
"xargs -0 -a %s -%c src %s src .", g_cppath, REPLACE_STR, cp);
#else
"cat %s | xargs -0 -o -%c src cp -iRp src .", g_cppath, REPLACE_STR);
#endif
}
static void mvstr(char *buf)
{
snprintf(buf, CMD_LEN_MAX,
#ifdef __linux__
"xargs -0 -a %s -%c src %s src .", g_cppath, REPLACE_STR, mv);
#else
"cat %s | xargs -0 -o -%c src mv -i src .", g_cppath, REPLACE_STR);
#endif
}
static void rmmulstr(char *buf)
{
if (cfg.trash) {
snprintf(buf, CMD_LEN_MAX,
#ifdef __linux__
"xargs -0 -a %s trash-put", g_cppath);
#else
"cat %s | xargs -0 trash-put", g_cppath);
#endif
} else {
snprintf(buf, CMD_LEN_MAX,
#ifdef __linux__
"xargs -0 -a %s rm -%cr", g_cppath, confirm_force());
#else
"cat %s | xargs -0 -o rm -%cr", g_cppath, confirm_force());
#endif
}
}
static void xrm(char *path)
{
if (cfg.trash)
spawn("trash-put", path, NULL, NULL, F_NORMAL);
else {
char rm_opts[] = "-ir";
rm_opts[1] = confirm_force();
spawn("rm", rm_opts, path, NULL, F_NORMAL);
}
}
static bool batch_rename(const char *path)
{
int fd1 = -1, fd2 = -1, i;
uint count = 0, lines = 0;
bool dir = FALSE, ret = FALSE;
const char renamecmd[] = "paste -d'\n' %s %s | xargs -d'\n' -n2 mv 2>/dev/null";
char foriginal[TMP_LEN_MAX] = {0};
char buf[sizeof(renamecmd) + (PATH_MAX << 1)];
if ((fd1 = create_tmp_file()) == -1)
return ret;
xstrlcpy(foriginal, g_tmpfpath, strlen(g_tmpfpath)+1);
if ((fd2 = create_tmp_file()) == -1) {
unlink(foriginal);
close(fd1);
return ret;
}
if (!copybufpos) {
if (!ndents)
return TRUE;
for (i = 0; i < ndents; ++i)
appendfpath(dents[i].name, NAME_MAX);
dir = TRUE;
}
selectiontofd(fd1, &count);
selectiontofd(fd2, NULL);
close(fd2);
if (dir)
copybufpos = 0;
spawn(editor, g_tmpfpath, NULL, path, F_CLI);
// Reopen file descriptor to get updated contents:
if ((fd2 = open(g_tmpfpath, O_RDONLY)) == -1)
goto finish;
while ((i = read(fd2, buf, sizeof(buf))) > 0) {
while (i)
lines += (buf[--i] == '\n');
}
if (i < 0)
goto finish;
DPRINTF_U(count);
DPRINTF_U(lines);
if (count != lines) {
DPRINTF_S("cannot delete files");
goto finish;
}
snprintf(buf, sizeof(buf), renamecmd, foriginal, g_tmpfpath);
spawn("sh", "-c", buf, path, F_NORMAL);
ret = TRUE;
finish:
if (fd1 >= 0)
close(fd1);
unlink(foriginal);
if (fd2 >= 0)
close(fd2);
unlink(g_tmpfpath);
return ret;
}
static void archive_selection(const char *cmd, const char *archive, const char *curpath)
{
snprintf(g_buf, CMD_LEN_MAX,
#ifdef __linux__
"xargs -0 -a %s %s %s",
#else
"cat %s | xargs -0 -o %s %s",
#endif
g_cppath, cmd, archive);
spawn("sh", "-c", g_buf, curpath, F_NORMAL);
}
static bool write_lastdir(const char *curpath)
{
bool ret = TRUE;
size_t len = strlen(cfgdir);
xstrlcpy(cfgdir + len, "/.lastd", 8);
DPRINTF_S(cfgdir);
FILE *fp = fopen(cfgdir, "w");
if (fp) {
if (fprintf(fp, "cd \"%s\"", curpath) < 0)
ret = FALSE;
fclose(fp);
} else
ret = FALSE;
return ret;
}
static int digit_compare(const char *a, const char *b)
{
while (*a && *b && *a == *b)
++a, ++b;
return *a - *b;
}
/*
* We assume none of the strings are NULL.
*
* Let's have the logic to sort numeric names in numeric order.
* E.g., the order '1, 10, 2' doesn't make sense to human eyes.
*
* If the absolute numeric values are same, we fallback to alphasort.
*/
static int xstricmp(const char * const s1, const char * const s2)
{
const char *c1 = s1, *c2 = s2, *m1, *m2;
int count1 = 0, count2 = 0, bias;
char sign[2] = {'+', '+'};
while (ISBLANK(*c1))
++c1;
while (ISBLANK(*c2))
++c2;
if (*c1 == '-' || *c1 == '+') {
if (*c1 == '-')
sign[0] = '-';
++c1;
}
if (*c2 == '-' || *c2 == '+') {
if (*c2 == '-')
sign[1] = '-';
++c2;
}
if (xisdigit(*c1) && xisdigit(*c2)) {
while (*c1 == '0')
++c1;
m1 = c1;
while (*c2 == '0')
++c2;
m2 = c2;
while (xisdigit(*c1)) {
++count1;
++c1;
}
while (ISBLANK(*c1))
++c1;
while (xisdigit(*c2)) {
++count2;
++c2;
}
while (ISBLANK(*c2))
++c2;
if (*c1 && !*c2)
return 1;
if (!*c1 && *c2)
return -1;
if (!*c1 && !*c2) {
if (sign[0] != sign[1])
return ((sign[0] == '+') ? 1 : -1);
if (count1 > count2)
return 1;
if (count1 < count2)
return -1;
bias = digit_compare(m1, m2);
if (bias)
return bias;
}
}
return strcoll(s1, s2);
}
/*
* Version comparison
*
* The code for version compare is a modified version of the GLIBC
* and uClibc implementation of strverscmp(). The source is here:
* https://elixir.bootlin.com/uclibc-ng/latest/source/libc/string/strverscmp.c
*/
/*
* Compare S1 and S2 as strings holding indices/version numbers,
* returning less than, equal to or greater than zero if S1 is less than,
* equal to or greater than S2 (for more info, see the texinfo doc).
*/
static int xstrverscmp(const char * const s1, const char * const s2)
{
const uchar *p1 = (const uchar *)s1;
const uchar *p2 = (const uchar *)s2;
uchar c1, c2;
int state, diff;
/*
* Symbol(s) 0 [1-9] others
* Transition (10) 0 (01) d (00) x
*/
static const uint8_t next_state[] = {
/* state x d 0 */
/* S_N */ S_N, S_I, S_Z,
/* S_I */ S_N, S_I, S_I,
/* S_F */ S_N, S_F, S_F,
/* S_Z */ S_N, S_F, S_Z
};
static const int8_t result_type[] __attribute__ ((aligned)) = {
/* state x/x x/d x/0 d/x d/d d/0 0/x 0/d 0/0 */
/* S_N */ VCMP, VCMP, VCMP, VCMP, VLEN, VCMP, VCMP, VCMP, VCMP,
/* S_I */ VCMP, -1, -1, 1, VLEN, VLEN, 1, VLEN, VLEN,
/* S_F */ VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP,
/* S_Z */ VCMP, 1, 1, -1, VCMP, VCMP, -1, VCMP, VCMP
};
if (p1 == p2)
return 0;
c1 = TOUPPER(*p1);
++p1;
c2 = TOUPPER(*p2);
++p2;
/* Hint: '0' is a digit too. */
state = S_N + ((c1 == '0') + (xisdigit(c1) != 0));
while ((diff = c1 - c2) == 0) {
if (c1 == '\0')
return diff;
state = next_state[state];
c1 = TOUPPER(*p1);
++p1;
c2 = TOUPPER(*p2);
++p2;
state += (c1 == '0') + (xisdigit(c1) != 0);
}
state = result_type[state * 3 + (((c2 == '0') + (xisdigit(c2) != 0)))];
switch (state) {
case VCMP:
return diff;
case VLEN:
while (xisdigit(*p1++))
if (!xisdigit(*p2++))
return 1;
return xisdigit(*p2) ? -1 : diff;
default:
return state;
}
}
static int (*cmpfn)(const char * const s1, const char * const s2) = &xstricmp;
/* Return the integer value of a char representing HEX */
static char xchartohex(char c)
{
if (xisdigit(c))
return c - '0';
c = TOUPPER(c);
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return c;
}
static int setfilter(regex_t *regex, const char *filter)
{
int r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0 && filter && filter[0] != '\0')
mvprintw(xlines - 1, 0, "regex error: %d\n", r);
return r;
}
static int visible_re(regex_t *regex, const char *fname, const char *fltr)
{
return regexec(regex, fname, 0, NULL, 0) == 0;
}
static int visible_str(regex_t *regex, const char *fname, const char *fltr)
{
return strcasestr(fname, fltr) != NULL;
}
static int (*filterfn)(regex_t *regex, const char *fname, const char *fltr) = &visible_re;
static int entrycmp(const void *va, const void *vb)
{
const struct entry *pa = (pEntry)va;
const struct entry *pb = (pEntry)vb;
if ((pb->flags & DIR_OR_LINK_TO_DIR) != (pa->flags & DIR_OR_LINK_TO_DIR)) {
if (pb->flags & DIR_OR_LINK_TO_DIR)
return 1;
return -1;
}
/* Do the actual sorting */
if (cfg.mtimeorder) {
if (pb->t >= pa->t)
return (int)(pb->t - pa->t);
return -1;
}
if (cfg.sizeorder) {
if (pb->size > pa->size)
return 1;
if (pb->size < pa->size)
return -1;
} else if (cfg.blkorder) {
if (pb->blocks > pa->blocks)
return 1;
if (pb->blocks < pa->blocks)
return -1;
}
return cmpfn(pa->name, pb->name);
}
/*
* Returns SEL_* if key is bound and 0 otherwise.
* Also modifies the run and env pointers (used on SEL_{RUN,RUNARG}).
* The next keyboard input can be simulated by presel.
*/
static int nextsel(int presel)
{
int c = presel;
uint i;
const uint len = LEN(bindings);
#ifdef LINUX_INOTIFY
struct inotify_event *event;
char inotify_buf[EVENT_BUF_LEN];
memset((void *)inotify_buf, 0x0, EVENT_BUF_LEN);
#elif defined(BSD_KQUEUE)
struct kevent event_data[NUM_EVENT_SLOTS];
memset((void *)event_data, 0x0, sizeof(struct kevent) * NUM_EVENT_SLOTS);
#endif
if (c == 0 || c == MSGWAIT) {
c = getch();
DPRINTF_D(c);
if (presel == MSGWAIT) {
if (cfg.filtermode)
c = FILTER;
else
c = CONTROL('L');
}
}
if (c == -1) {
++idle;
/*
* Do not check for directory changes in du mode.
* A redraw forces du calculation.
* Check for changes every odd second.
*/
#ifdef LINUX_INOTIFY
if (!cfg.blkorder && inotify_wd >= 0 && (idle & 1)) {
i = read(inotify_fd, inotify_buf, EVENT_BUF_LEN);
if (i > 0) {
char *ptr;
for (ptr = inotify_buf;
ptr + ((struct inotify_event *)ptr)->len < inotify_buf + i;
ptr += sizeof(struct inotify_event) + event->len) {
event = (struct inotify_event *) ptr;
DPRINTF_D(event->wd);
DPRINTF_D(event->mask);
if (!event->wd)
break;
if (event->mask & INOTIFY_MASK) {
c = CONTROL('L');
DPRINTF_S("issue refresh");
break;
}
}
DPRINTF_S("inotify read done");
}
}
#elif defined(BSD_KQUEUE)
if (!cfg.blkorder && event_fd >= 0 && idle & 1
&& kevent(kq, events_to_monitor, NUM_EVENT_SLOTS,
event_data, NUM_EVENT_FDS, >imeout) > 0)
c = CONTROL('L');
#endif
} else
idle = 0;
for (i = 0; i < len; ++i)
if (c == bindings[i].sym)
return bindings[i].act;
return 0;
}
static inline void swap_ent(int id1, int id2)
{
struct entry _dent, *pdent1 = &dents[id1], *pdent2 = &dents[id2];
*(&_dent) = *pdent1;
*pdent1 = *pdent2;
*pdent2 = *(&_dent);
}
/*
* Move non-matching entries to the end
*/
static int fill(const char *fltr, regex_t *re)
{
int count = 0;
for (; count < ndents; ++count) {
if (filterfn(re, dents[count].name, fltr) == 0) {
if (count != --ndents) {
swap_ent(count, ndents);
--count;
}
continue;
}
}
return ndents;
}
static int matches(const char *fltr)
{
regex_t re;
/* Search filter */
if (cfg.filter_re && setfilter(&re, fltr) != 0)
return -1;
ndents = fill(fltr, &re);
if (cfg.filter_re)
regfree(&re);
if (!ndents)
return 0;
qsort(dents, ndents, sizeof(*dents), entrycmp);
return 0;
}
static int filterentries(char *path)
{
wchar_t *wln = (wchar_t *)alloca(sizeof(wchar_t) * REGEX_MAX);
char *ln = g_ctx[cfg.curctx].c_fltr;
wint_t ch[2] = {0};
int r, total = ndents, oldcur = cur, len;
char *pln = g_ctx[cfg.curctx].c_fltr + 1;
cur = 0;
if (ndents && ln[0] == FILTER && *pln) {
if (matches(pln) != -1)
redraw(path);
len = mbstowcs(wln, ln, REGEX_MAX);
} else {
ln[0] = wln[0] = FILTER;
ln[1] = wln[1] = '\0';
len = 1;
}
cleartimeout();
curs_set(TRUE);
printprompt(ln);
while ((r = get_wch(ch)) != ERR) {
switch (*ch) {
case KEY_DC: // fallthrough
case KEY_BACKSPACE: // fallthrough
case '\b': // fallthrough
case CONTROL('L'): // fallthrough
case 127: /* handle DEL */
if (len == 1 && *ch != CONTROL('L')) {
cur = oldcur;
*ch = CONTROL('L');
goto end;
}
if (*ch == CONTROL('L'))
while (len > 1)
wln[--len] = '\0';
else
wln[--len] = '\0';
if (len == 1)
cur = oldcur;
wcstombs(ln, wln, REGEX_MAX);
ndents = total;
if (matches(pln) != -1)
redraw(path);
printprompt(ln);
continue;
case 27: /* Exit filter mode on Escape */
if (len == 1)
cur = oldcur;
goto end;
}
if (r == OK) {
/* Handle all control chars in main loop */
if (*ch < ASCII_MAX && keyname(*ch)[0] == '^' && *ch != '^') {
if (len == 1)
cur = oldcur;
goto end;
}
switch (*ch) {
case '\r': // with nonl(), this is ENTER key value
if (len == 1) {
cur = oldcur;
goto end;
}
if (matches(pln) == -1)
goto end;
redraw(path);
goto end;
case '?': // '?' is an invalid regex, show help instead
if (len == 1) {
cur = oldcur;
goto end;
} // fallthrough
default:
/* Reset cur in case it's a repeat search */
if (len == 1)
cur = 0;
if (len == REGEX_MAX - 1)
break;
wln[len] = (wchar_t)*ch;
wln[++len] = '\0';
wcstombs(ln, wln, REGEX_MAX);
/* Forward-filtering optimization:
* - new matches can only be a subset of current matches.
*/
/* ndents = total; */
if (matches(pln) == -1)
continue;
/* If the only match is a dir, auto-select and cd into it */
if (ndents == 1 && cfg.filtermode
&& cfg.autoselect && S_ISDIR(dents[0].mode)) {
*ch = KEY_ENTER;
cur = 0;
goto end;
}
/*
* redraw() should be above the auto-select optimization, for
* the case where there's an issue with dir auto-select, say,
* due to a permission problem. The transition is _jumpy_ in
* case of such an error. However, we optimize for successful
* cases where the dir has permissions. This skips a redraw().
*/
redraw(path);
printprompt(ln);
}
} else {
if (len == 1)
cur = oldcur;
goto end;
}
}
end:
if (*ch != '\t')
g_ctx[cfg.curctx].c_fltr[0] = g_ctx[cfg.curctx].c_fltr[1] = '\0';
move_cursor(cur, 0);
curs_set(FALSE);
settimeout();
/* Return keys for navigation etc. */
return *ch;
}
/* Show a prompt with input string and return the changes */
static char *xreadline(char *prefill, char *prompt)
{
size_t len, pos;
int x, y, r;
wint_t ch[2] = {0};
wchar_t * const buf = (wchar_t *)g_buf;
cleartimeout();
printprompt(prompt);
if (prefill) {
DPRINTF_S(prefill);
len = pos = mbstowcs(buf, prefill, NAME_MAX);
} else
len = (size_t)-1;
if (len == (size_t)-1) {
buf[0] = '\0';
len = pos = 0;
}
getyx(stdscr, y, x);
curs_set(TRUE);
while (1) {
buf[len] = ' ';
mvaddnwstr(y, x, buf, len + 1);
move(y, x + wcswidth(buf, pos));
r = get_wch(ch);
if (r != ERR) {
if (r == OK) {
switch (*ch) {
case KEY_ENTER: // fallthrough
case '\n': // fallthrough
case '\r':
goto END;
case 127: // fallthrough
case '\b': /* rhel25 sends '\b' for backspace */
if (pos > 0) {
memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
--len, --pos;
} // fallthrough
case '\t': /* TAB breaks cursor position, ignore it */
continue;
case CONTROL('L'):
printprompt(prompt);
len = pos = 0;
continue;
case CONTROL('A'):
pos = 0;
continue;
case CONTROL('E'):
pos = len;
continue;
case CONTROL('U'):
printprompt(prompt);
memmove(buf, buf + pos, (len - pos) << 2);
len -= pos;
pos = 0;
continue;
case 27: /* Exit prompt on Escape */
len = 0;
goto END;
}
/* Filter out all other control chars */
if (*ch < ASCII_MAX && keyname(*ch)[0] == '^')
continue;
if (pos < NAME_MAX - 1) {
memmove(buf + pos + 1, buf + pos, (len - pos) << 2);
buf[pos] = *ch;
++len, ++pos;
continue;
}
} else {
switch (*ch) {
case KEY_LEFT:
if (pos > 0)
--pos;
break;
case KEY_RIGHT:
if (pos < len)
++pos;
break;
case KEY_BACKSPACE:
if (pos > 0) {
memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
--len, --pos;
}
break;
case KEY_DC:
if (pos < len) {
memmove(buf + pos, buf + pos + 1,
(len - pos - 1) << 2);
--len;
}
break;
case KEY_END:
pos = len;
break;
case KEY_HOME:
pos = 0;
break;
default:
break;
}
}
}
}
END:
curs_set(FALSE);
settimeout();
clearprompt();
buf[len] = '\0';
wcstombs(g_buf + ((NAME_MAX + 1) << 2), buf, NAME_MAX);
return g_buf + ((NAME_MAX + 1) << 2);
}
#ifndef NORL
/*
* Caller should check the value of presel to confirm if it needs to wait to show warning
*/
static char *getreadline(char *prompt, char *path, char *curpath, int *presel)
{
/* Switch to current path for readline(3) */
if (chdir(path) == -1) {
printwarn(presel);
return NULL;
}
exitcurses();
char *input = readline(prompt);
refresh();
if (chdir(curpath) == -1) {
printwarn(presel);
free(input);
return NULL;
}
if (input && input[0]) {
add_history(input);
xstrlcpy(g_buf, input, CMD_LEN_MAX);
free(input);
return g_buf;
}
free(input);
return NULL;
}
#endif
/*
* Updates out with "dir/name or "/name"
* Returns the number of bytes copied including the terminating NULL byte
*/
static size_t mkpath(char *dir, char *name, char *out)
{
size_t len;
/* Handle absolute path */
if (name[0] == '/')
return xstrlcpy(out, name, PATH_MAX);
/* Handle root case */
if (istopdir(dir))
len = 1;
else
len = xstrlcpy(out, dir, PATH_MAX);
out[len - 1] = '/'; // NOLINT
return (xstrlcpy(out + len, name, PATH_MAX - len) + len);
}
/*
* Create symbolic/hard link(s) to file(s) in selection list
* Returns the number of links created
*/
static int xlink(char *suffix, char *path, char *buf, int *presel, int type)
{
int count = 0;
char *pbuf = pcopybuf, *fname;
ssize_t pos = 0, len, r;
int (*link_fn)(const char *, const char *) = NULL;
/* Check if selection is empty */
if (!copybufpos) {
printwait(messages[NONE_SELECTED], presel);
return -1;
}
if (type == 's') /* symbolic link */
link_fn = &symlink;
else /* hard link */
link_fn = &link;
while (pos < copybufpos) {
len = strlen(pbuf);
fname = xbasename(pbuf);
r = mkpath(path, fname, buf);
xstrlcpy(buf + r - 1, suffix, PATH_MAX - r - 1);
if (!link_fn(pbuf, buf))
++count;
pos += len + 1;
pbuf += len + 1;
}
if (!count)
printwait("none created", presel);
return count;
}
static bool parsebmstr(void)
{
int i = 0;
char *bms = getenv(env_cfg[NNN_BMS]);
char *nextkey = bms;
if (!bms || !*bms)
return TRUE;
while (*bms && i < BM_MAX) {
if (bms == nextkey) {
bookmark[i].key = *bms;
if (*++bms != ':')
return FALSE;
if (*++bms == '\0')
return FALSE;
bookmark[i].loc = bms;
++i;
}
if (*bms == ';') {
/* Remove trailing space */
if (i > 0 && *(bms - 1) == '/')
*(bms - 1) = '\0';
*bms = '\0';
nextkey = bms + 1;
}
++bms;
}
if (i < BM_MAX) {
if (*bookmark[i - 1].loc == '\0')
return FALSE;
bookmark[i].key = '\0';
}
return TRUE;
}
/*
* Get the real path to a bookmark
*
* NULL is returned in case of no match, path resolution failure etc.
* buf would be modified, so check return value before access
*/
static char *get_bm_loc(char *buf, int key)
{
int r = 0;
for (; bookmark[r].key && r < BM_MAX; ++r) {
if (bookmark[r].key == key) {
if (bookmark[r].loc[0] == '~') {
ssize_t len = strlen(home);
ssize_t loclen = strlen(bookmark[r].loc);
if (!buf)
buf = (char *)malloc(len + loclen);
xstrlcpy(buf, home, len + 1);
xstrlcpy(buf + len, bookmark[r].loc + 1, loclen);
return buf;
}
return realpath(bookmark[r].loc, buf);
}
}
DPRINTF_S("Invalid key");
return NULL;
}
static inline void resetdircolor(int flags)
{
if (cfg.dircolor && !(flags & DIR_OR_LINK_TO_DIR)) {
attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD);
cfg.dircolor = 0;
}
}
/*
* Replace escape characters in a string with '?'
* Adjust string length to maxcols if > 0;
* Max supported str length: NAME_MAX;
*
* Interestingly, note that unescape() uses g_buf. What happens if
* str also points to g_buf? In this case we assume that the caller
* acknowledges that it's OK to lose the data in g_buf after this
* call to unescape().
* The API, on its part, first converts str to multibyte (after which
* it doesn't touch str anymore). Only after that it starts modifying
* g_buf. This is a phased operation.
*/
static char *unescape(const char *str, uint maxcols)
{
static wchar_t wbuf[NAME_MAX + 1] __attribute__ ((aligned));
wchar_t *buf = wbuf;
size_t lencount = 0;
/* Convert multi-byte to wide char */
size_t len = mbstowcs(wbuf, str, NAME_MAX);
while (*buf && lencount <= maxcols) {
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
++buf;
++lencount;
}
len = lencount = wcswidth(wbuf, len);
/* Reduce number of wide chars to max columns */
if (len > maxcols) {
lencount = maxcols + 1;
/* Reduce wide chars one by one till it fits */
while (len > maxcols)
len = wcswidth(wbuf, --lencount);
wbuf[lencount] = L'\0';
}
/* Convert wide char to multi-byte */
wcstombs(g_buf, wbuf, NAME_MAX);
return g_buf;
}
static char *coolsize(off_t size)
{
const char * const U = "BKMGTPEZY";
static char size_buf[12]; /* Buffer to hold human readable size */
off_t rem = 0;
int i = 0;
while (size >= 1024) {
rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */
size >>= 10;
++i;
}
if (i == 1) {
rem = (rem * 1000) >> 10;
rem /= 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 10) {
++size;
rem = 0;
}
} else
rem /= 10;
} else if (i == 2) {
rem = (rem * 1000) >> 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 100) {
++size;
rem = 0;
}
} else
rem /= 10;
} else if (i > 0) {
rem = (rem * 10000) >> 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 1000) {
++size;
rem = 0;
}
} else
rem /= 10;
}
if (i > 0 && i < 6)
snprintf(size_buf, 12, "%u.%0*u%c", (uint)size, i & 0b11, (uint)rem, U[i]);
else
snprintf(size_buf, 12, "%u%c", (uint)size, U[i]);
return size_buf;
}
static void printent(const struct entry *ent, int sel, uint namecols)
{
const char *pname = unescape(ent->name, namecols);
const char cp = (ent->flags & FILE_COPIED) ? '+' : ' ';
char ind[2] = {'\0', '\0'};
mode_t mode = ent->mode;
switch (mode & S_IFMT) {
case S_IFREG:
if (mode & 0100)
ind[0] = '*';
break;
case S_IFDIR:
ind[0] = '/';
break;
case S_IFLNK:
ind[0] = '@';
break;
case S_IFSOCK:
ind[0] = '=';
break;
case S_IFIFO:
ind[0] = '|';
break;
case S_IFBLK: // fallthrough
case S_IFCHR:
break;
default:
ind[0] = '?';
break;
}
/* Directories are always shown on top */
resetdircolor(ent->flags);
printw("%s%c%s%s\n", CURSYM(sel), cp, pname, ind);
}
static void printent_long(const struct entry *ent, int sel, uint namecols)
{
char timebuf[18], permbuf[4], ind1 = '\0', ind2[] = "\0\0";
const char cp = (ent->flags & FILE_COPIED) ? '+' : ' ';
/* Timestamp */
strftime(timebuf, 18, "%F %R", localtime(&ent->t));
/* Permissions */
permbuf[0] = '0' + ((ent->mode >> 6) & 7);
permbuf[1] = '0' + ((ent->mode >> 3) & 7);
permbuf[2] = '0' + (ent->mode & 7);
permbuf[3] = '\0';
/* Trim escape chars from name */
const char *pname = unescape(ent->name, namecols);
/* Directories are always shown on top */
resetdircolor(ent->flags);
if (sel)
attron(A_REVERSE);
switch (ent->mode & S_IFMT) {
case S_IFREG:
if (ent->mode & 0100)
printw("%c%-16.16s %s %8.8s* %s*\n", cp, timebuf, permbuf,
coolsize(cfg.blkorder ? ent->blocks << BLK_SHIFT : ent->size), pname);
else
printw("%c%-16.16s %s %8.8s %s\n", cp, timebuf, permbuf,
coolsize(cfg.blkorder ? ent->blocks << BLK_SHIFT : ent->size), pname);
break;
case S_IFDIR:
if (cfg.blkorder)
printw("%c%-16.16s %s %8.8s/ %s/\n",
cp, timebuf, permbuf, coolsize(ent->blocks << BLK_SHIFT), pname);
else
printw("%c%-16.16s %s / %s/\n", cp, timebuf, permbuf, pname);
break;
case S_IFLNK:
if (ent->flags & DIR_OR_LINK_TO_DIR)
printw("%c%-16.16s %s @/ %s@\n", cp, timebuf, permbuf, pname);
else
printw("%c%-16.16s %s @ %s@\n", cp, timebuf, permbuf, pname);
break;
case S_IFSOCK:
ind1 = ind2[0] = '='; // fallthrough
case S_IFIFO:
if (!ind1)
ind1 = ind2[0] = '|'; // fallthrough
case S_IFBLK:
if (!ind1)
ind1 = 'b'; // fallthrough
case S_IFCHR:
if (!ind1)
ind1 = 'c'; // fallthrough
default:
if (!ind1)
ind1 = ind2[0] = '?';
printw("%c%-16.16s %s %c %s%s\n", cp, timebuf, permbuf, ind1, pname, ind2);
break;
}
if (sel)
attroff(A_REVERSE);
}
static void (*printptr)(const struct entry *ent, int sel, uint namecols) = &printent_long;
static void savecurctx(settings *curcfg, char *path, char *curname, int r /* next context num */)
{
settings cfg = *curcfg;
bool copymode = cfg.copymode ? TRUE : FALSE;
#ifdef DIR_LIMITED_COPY
g_crc = 0;
#endif
/* Save current context */
xstrlcpy(g_ctx[cfg.curctx].c_name, curname, NAME_MAX + 1);
g_ctx[cfg.curctx].c_cfg = cfg;
if (g_ctx[r].c_cfg.ctxactive) { /* Switch to saved context */
/* Switch light/detail mode */
if (cfg.showdetail != g_ctx[r].c_cfg.showdetail)
/* set the reverse */
printptr = cfg.showdetail ? &printent : &printent_long;
cfg = g_ctx[r].c_cfg;
} else { /* Setup a new context from current context */
g_ctx[r].c_cfg.ctxactive = 1;
xstrlcpy(g_ctx[r].c_path, path, PATH_MAX);
g_ctx[r].c_last[0] = '\0';
xstrlcpy(g_ctx[r].c_name, curname, NAME_MAX + 1);
g_ctx[r].c_fltr[0] = g_ctx[r].c_fltr[1] = '\0';
g_ctx[r].c_cfg = cfg;
g_ctx[r].c_cfg.runplugin = 0;
}
/* Continue copy mode */
cfg.copymode = copymode;
cfg.curctx = r;
*curcfg = cfg;
}
/*
* Gets only a single line (that's what we need
* for now) or shows full command output in pager.
*
* If page is valid, returns NULL
*/
static char *get_output(char *buf, const size_t bytes, const char *file,
const char *arg1, const char *arg2, const bool page)
{
pid_t pid;
int pipefd[2];
FILE *pf;
int tmp, flags;
char *ret = NULL;
if (pipe(pipefd) == -1)
errexit();
for (tmp = 0; tmp < 2; ++tmp) {
/* Get previous flags */
flags = fcntl(pipefd[tmp], F_GETFL, 0);
/* Set bit for non-blocking flag */
flags |= O_NONBLOCK;
/* Change flags on fd */
fcntl(pipefd[tmp], F_SETFL, flags);
}
pid = fork();
if (pid == 0) {
/* In child */
close(pipefd[0]);
dup2(pipefd[1], STDOUT_FILENO);
dup2(pipefd[1], STDERR_FILENO);
close(pipefd[1]);
execlp(file, file, arg1, arg2, NULL);
_exit(1);
}
/* In parent */
waitpid(pid, &tmp, 0);
close(pipefd[1]);
if (!page) {
pf = fdopen(pipefd[0], "r");
if (pf) {
ret = fgets(buf, bytes, pf);
close(pipefd[0]);
}
return ret;
}
pid = fork();
if (pid == 0) {
/* Show in pager in child */
dup2(pipefd[0], STDIN_FILENO);
close(pipefd[0]);
spawn(pager, NULL, NULL, NULL, F_CLI);
_exit(1);
}
/* In parent */
waitpid(pid, &tmp, 0);
close(pipefd[0]);
return NULL;
}
static bool getutil(const char *util)
{
if (!get_output(g_buf, CMD_LEN_MAX, "which", util, NULL, FALSE))
return FALSE;
return TRUE;
}
/*
* Follows the stat(1) output closely
*/
static bool show_stats(const char *fpath, const char *fname, const struct stat *sb)
{
int fd;
char *p, *begin = g_buf;
size_t r;
FILE *fp;
fd = create_tmp_file();
if (fd == -1)
return FALSE;
r = xstrlcpy(g_buf, "stat \'", PATH_MAX);
r += xstrlcpy(g_buf + r - 1, fpath, PATH_MAX);
g_buf[r - 2] = '\'';
g_buf[r - 1] = '\0';
DPRINTF_S(g_buf);
fp = popen(g_buf, "r");
if (fp) {
while (fgets(g_buf, CMD_LEN_MAX - 1, fp))
dprintf(fd, "%s", g_buf);
pclose(fp);
}
if (S_ISREG(sb->st_mode)) {
/* Show file(1) output */
p = get_output(g_buf, CMD_LEN_MAX, "file", "-b", fpath, FALSE);
if (p) {
dprintf(fd, "\n\n ");
while (*p) {
if (*p == ',') {
*p = '\0';
dprintf(fd, " %s\n", begin);
begin = p + 1;
}
++p;
}
dprintf(fd, " %s", begin);
}
}
dprintf(fd, "\n\n");
close(fd);
spawn(pager, g_tmpfpath, NULL, NULL, F_CLI);
unlink(g_tmpfpath);
return TRUE;
}
static size_t get_fs_info(const char *path, bool type)
{
struct statvfs svb;
if (statvfs(path, &svb) == -1)
return 0;
if (type == CAPACITY)
return svb.f_blocks << ffs((int)(svb.f_bsize >> 1));
return svb.f_bavail << ffs((int)(svb.f_frsize >> 1));
}
static bool show_mediainfo(const char *fpath, const char *arg)
{
if (!getutil(utils[cfg.metaviewer]))
return FALSE;
exitcurses();
get_output(NULL, 0, utils[cfg.metaviewer], fpath, arg, TRUE);
refresh();
return TRUE;
}
/* Extracts or lists archive */
static bool handle_archive(char *fpath, const char *dir, char op)
{
char larg[] = "-tf";
char xarg[] = "-xf";
char *util;
if (getutil(utils[ATOOL])) {
util = utils[ATOOL];
larg[1] = op;
larg[2] = xarg[2] = '\0';
} else if (getutil(utils[BSDTAR]))
util = utils[BSDTAR];
else
return FALSE;
if (op == 'x') { // extract
spawn(util, xarg, fpath, dir, F_NORMAL);
} else { // list
exitcurses();
get_output(NULL, 0, util, larg, fpath, TRUE);
refresh();
}
return TRUE;
}
static char *visit_parent(char *path, char *newpath, int *presel)
{
char *dir;
/* There is no going back */
if (istopdir(path)) {
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
*presel = FILTER;
return NULL;
}
/* Use a copy as dirname() may change the string passed */
xstrlcpy(newpath, path, PATH_MAX);
dir = dirname(newpath);
if (access(dir, R_OK) == -1) {
printwarn(presel);
return NULL;
}
return dir;
}
static bool execute_file(int cur, char *path, char *newpath, int *presel)
{
if (!ndents)
return FALSE;
/* Check if this is a directory */
if (!S_ISREG(dents[cur].mode)) {
printwait("not regular file", presel);
return FALSE;
}
/* Check if file is executable */
if (!(dents[cur].mode & 0100)) {
printwait("permission denied", presel);
return FALSE;
}
mkpath(path, dents[cur].name, newpath);
spawn(newpath, NULL, NULL, path, F_NORMAL);
return TRUE;
}
static bool create_dir(const char *path)
{
if (!xdiraccess(path)) {
if (errno != ENOENT)
return FALSE;
if (mkdir(path, 0755) == -1)
return FALSE;
}
return TRUE;
}
static bool sshfs_mount(char *path, char *newpath, int *presel)
{
int r;
char *tmp;
tmp = xreadline(NULL, "host: ");
if (!tmp[0])
return FALSE;
/* Create the mount point */
mkpath(cfgdir, tmp, newpath);
if (!create_dir(newpath)) {
printwait(strerror(errno), presel);
return FALSE;
}
if (!getutil("sshfs")) {
printwait("sshfs missing", presel);
return FALSE;
}
/* Convert "Host" to "Host:" */
r = strlen(tmp);
tmp[r] = ':';
tmp[r + 1] = '\0';
/* Connect to remote */
if (spawn("sshfs", tmp, newpath, NULL, F_NORMAL)) {
printwait("mount failed", presel);
return FALSE;
}
return TRUE;
}
static bool sshfs_unmount(char *path, char *newpath, int *presel)
{
static char cmd[] = "fusermount3"; /* Arch Linux utility */
static bool found = FALSE;
char *tmp;
/* On Ubuntu it's fusermount */
if (!found && !getutil(cmd)) {
cmd[10] = '\0';
found = TRUE;
}
tmp = xreadline(NULL, "host: ");
if (!tmp[0])
return FALSE;
/* Create the mount point */
mkpath(cfgdir, tmp, newpath);
if (!xdiraccess(newpath)) {
*presel = MSGWAIT;
return FALSE;
}
if (spawn(cmd, "-u", newpath, NULL, F_NORMAL)) {
printwait("unmount failed", presel);
return FALSE;
}
return TRUE;
}
static void lock_terminal(void)
{
char *tmp = utils[LOCKER];
if (!getutil(tmp))
tmp = utils[PIPES];;
spawn(tmp, NULL, NULL, NULL, F_NORMAL);
}
/*
* The help string tokens (each line) start with a HEX value
* which indicates the number of spaces to print before the
* particular token. This method was chosen instead of a flat
* string because the number of bytes in help was increasing
* the binary size by around a hundred bytes. This would only
* have increased as we keep adding new options.
*/
static bool show_help(const char *path)
{
int i = 0, fd;
const char *start, *end;
const char helpstr[] = {
"0\n"
"1NAVIGATION\n"
"a↑ k Up PgUp ^U Scroll up\n"
"a↓ j Down PgDn ^D Scroll down\n"
"a← h Parent dir ~ ` @ - HOME, /, start, last\n"
"8↵ → l Open file/dir . Toggle show hidden\n"
"4Home g ^A First entry G ^E Last entry\n"
"c/ Filter Ins ^T Toggle nav-as-you-type\n"
"cb Pin current dir ^B Go to pinned dir\n"
"7Tab ^I Next context d Toggle detail view\n"
"9, ^/ Leader key N LeadN Context N\n"
"aEsc Exit prompt ^L Redraw/clear prompt\n"
"b^G Quit and cd q Quit context\n"
"9Q ^Q Quit ? Help, config\n"
"1FILES\n"
"b^O Open with... n Create new/link\n"
"cD File details ^R Rename entry\n"
"5⎵ ^K / Y Select entry/all r Batch rename\n"
"9K ^Y Toggle selection y List selection\n"
"cP Copy selection X Delete selection\n"
"cV Move selection ^X Delete entry\n"
"cf Create archive m M Brief/full mediainfo\n"
"b^F Extract archive F List archive\n"
"ce Edit in EDITOR p Open in PAGER\n"
"1ORDER TOGGLES\n"
"b^J Disk usage S Apparent du\n"
"b^W Random s Size t Time modified\n"
"1MISC\n"
"9! ^] Spawn SHELL C Execute entry\n"
"9R ^V Pick plugin L Lock terminal\n"
"cc SSHFS mount u Unmount\n"
"b^P Prompt ^N Note = Launcher\n"};
fd = create_tmp_file();
if (fd == -1)
return FALSE;
start = end = helpstr;
while (*end) {
if (*end == '\n') {
dprintf(fd, "%*c%.*s",
xchartohex(*start), ' ', (int)(end - start), start + 1);
start = end + 1;
}
++end;
}
dprintf(fd, "\nVOLUME: %s of ", coolsize(get_fs_info(path, FREE)));
dprintf(fd, "%s free\n\n", coolsize(get_fs_info(path, CAPACITY)));
if (bookmark[0].loc) {
dprintf(fd, "BOOKMARKS\n");
for (; i < BM_MAX; ++i)
if (bookmark[i].key)
dprintf(fd, " %c: %s\n", (char)bookmark[i].key, bookmark[i].loc);
else
break;
dprintf(fd, "\n");
}
for (i = NNN_OPENER; i <= NNN_TRASH; ++i) {
start = getenv(env_cfg[i]);
if (start)
dprintf(fd, "%s: %s\n", env_cfg[i], start);
}
if (g_cppath)
dprintf(fd, "SELECTION FILE: %s\n", g_cppath);
dprintf(fd, "\nv%s\n%s\n", VERSION, GENERAL_INFO);
close(fd);
spawn(pager, g_tmpfpath, NULL, NULL, F_CLI);
unlink(g_tmpfpath);
return TRUE;
}
static int sum_bsizes(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_blocks && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_blocks;
++num_files;
return 0;
}
static int sum_sizes(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_size && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_size;
++num_files;
return 0;
}
static void dentfree(void)
{
free(pnamebuf);
free(dents);
}
static int dentfill(char *path, struct entry **dents)
{
static uint open_max;
int n = 0, count, flags = 0;
ulong num_saved;
struct dirent *dp;
char *namep, *pnb, *buf = NULL;
struct entry *dentp;
size_t off = 0, namebuflen = NAMEBUF_INCR;
struct stat sb_path, sb;
DIR *dirp = opendir(path);
if (!dirp)
return 0;
int fd = dirfd(dirp);
if (cfg.blkorder) {
num_files = 0;
dir_blocks = 0;
buf = (char *)alloca(strlen(path) + NAME_MAX + 2);
if (fstatat(fd, path, &sb_path, 0) == -1) {
closedir(dirp);
printwarn(NULL);
return 0;
}
/* Increase current open file descriptor limit */
if (!open_max)
open_max = max_openfds();
}
dp = readdir(dirp);
// if (!dp) /* We have opened the dir, at least . would be returned */
// goto exit;
if (cfg.blkorder || dp->d_type == DT_UNKNOWN) {
/*
* Optimization added for filesystems which support dirent.d_type
* see readdir(3)
* Known drawbacks:
* - the symlink size is set to 0
* - the modification time of the symlink is set to that of the target file
*/
flags = AT_SYMLINK_NOFOLLOW;
}
do {
namep = dp->d_name;
/* Skip self and parent */
if ((namep[0] == '.' && (namep[1] == '\0' || (namep[1] == '.' && namep[2] == '\0'))))
continue;
if (!cfg.showhidden && namep[0] == '.') {
if (!cfg.blkorder)
continue;
if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1)
continue;
if (S_ISDIR(sb.st_mode)) {
if (sb_path.st_dev == sb.st_dev) {
ent_blocks = 0;
mkpath(path, namep, buf);
mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n",
xbasename(buf));
refresh();
if (nftw(buf, nftw_fn, open_max,
FTW_MOUNT | FTW_PHYS) == -1) {
DPRINTF_S("nftw failed");
dir_blocks += (cfg.apparentsz
? sb.st_size
: sb.st_blocks);
} else
dir_blocks += ent_blocks;
if (interrupted) {
closedir(dirp);
return n;
}
}
} else {
dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks);
++num_files;
}
continue;
}
if (fstatat(fd, namep, &sb, flags) == -1) {
DPRINTF_S(namep);
continue;
}
if (n == total_dents) {
total_dents += ENTRY_INCR;
*dents = xrealloc(*dents, total_dents * sizeof(**dents));
if (!*dents) {
free(pnamebuf);
closedir(dirp);
errexit();
}
DPRINTF_P(*dents);
}
/* If not enough bytes left to copy a file name of length NAME_MAX, re-allocate */
if (namebuflen - off < NAME_MAX + 1) {
namebuflen += NAMEBUF_INCR;
pnb = pnamebuf;
pnamebuf = (char *)xrealloc(pnamebuf, namebuflen);
if (!pnamebuf) {
free(*dents);
closedir(dirp);
errexit();
}
DPRINTF_P(pnamebuf);
/* realloc() may result in memory move, we must re-adjust if that happens */
if (pnb != pnamebuf) {
dentp = *dents;
dentp->name = pnamebuf;
for (count = 1; count < n; ++dentp, ++count)
/* Current filename starts at last filename start + length */
(dentp + 1)->name = (char *)((size_t)dentp->name
+ dentp->nlen);
}
}
dentp = *dents + n;
/* Selection file name */
dentp->name = (char *)((size_t)pnamebuf + off);
dentp->nlen = xstrlcpy(dentp->name, namep, NAME_MAX + 1);
off += dentp->nlen;
/* Copy other fields */
dentp->t = sb.st_mtime;
if (dp->d_type == DT_LNK && !flags) { /* Do not add sizes for links */
dentp->mode = (sb.st_mode & ~S_IFMT) | S_IFLNK;
dentp->size = 0;
} else {
dentp->mode = sb.st_mode;
dentp->size = sb.st_size;
}
dentp->flags = 0;
if (cfg.blkorder) {
if (S_ISDIR(sb.st_mode)) {
ent_blocks = 0;
num_saved = num_files + 1;
mkpath(path, namep, buf);
mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n", xbasename(buf));
refresh();
if (nftw(buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
DPRINTF_S("nftw failed");
dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
} else
dentp->blocks = ent_blocks;
if (sb_path.st_dev == sb.st_dev) // NOLINT
dir_blocks += dentp->blocks;
else
num_files = num_saved;
if (interrupted) {
closedir(dirp);
return n;
}
} else {
dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
dir_blocks += dentp->blocks;
++num_files;
}
}
if (flags) {
/* Flag if this is a dir or symlink to a dir */
if (S_ISLNK(sb.st_mode)) {
sb.st_mode = 0;
fstatat(fd, namep, &sb, 0);
}
if (S_ISDIR(sb.st_mode))
dentp->flags |= DIR_OR_LINK_TO_DIR;
} else if (dp->d_type == DT_DIR || (dp->d_type == DT_LNK && S_ISDIR(sb.st_mode)))
dentp->flags |= DIR_OR_LINK_TO_DIR;
++n;
} while ((dp = readdir(dirp)));
//exit:
/* Should never be null */
if (closedir(dirp) == -1) {
dentfree();
errexit();
}
return n;
}
/*
* Return the position of the matching entry or 0 otherwise
* Note there's no NULL check for fname
*/
static int dentfind(const char *fname, int n)
{
int i = 0;
for (; i < n; ++i)
if (xstrcmp(fname, dents[i].name) == 0)
return i;
return 0;
}
static void populate(char *path, char *lastname)
{
#ifdef DBGMODE
struct timespec ts1, ts2;
clock_gettime(CLOCK_REALTIME, &ts1); /* Use CLOCK_MONOTONIC on FreeBSD */
#endif
ndents = dentfill(path, &dents);
if (!ndents)
return;
if (!cfg.wild)
qsort(dents, ndents, sizeof(*dents), entrycmp);
#ifdef DBGMODE
clock_gettime(CLOCK_REALTIME, &ts2);
DPRINTF_U(ts2.tv_nsec - ts1.tv_nsec);
#endif
/* Find cur from history */
/* No NULL check for lastname, always points to an array */
if (!*lastname)
move_cursor(0, 0);
else
move_cursor(dentfind(lastname, ndents), 0);
}
static void move_cursor(int target, int ignore_scrolloff)
{
int delta, scrolloff, onscreen = xlines - 4;
target = MAX(0, MIN(ndents - 1, target));
delta = target - cur;
cur = target;
if (!ignore_scrolloff) {
scrolloff = MIN(SCROLLOFF, onscreen >> 1);
/*
* When ignore_scrolloff is 1, the cursor can jump into the scrolloff
* margin area, but when ignore_scrolloff is 0, act like a boa
* constrictor and squeeze the cursor towards the middle region of the
* screen by allowing it to move inward and disallowing it to move
* outward (deeper into the scrolloff margin area).
*/
if (cur < curscroll + scrolloff && delta < 0)
curscroll += delta;
else if (cur > curscroll + onscreen - scrolloff - 1 && delta > 0)
curscroll += delta;
}
curscroll = MIN(curscroll, MIN(cur, ndents - onscreen));
curscroll = MAX(curscroll, MAX(cur - (onscreen - 1), 0));
}
static void redraw(char *path)
{
xlines = LINES;
xcols = COLS;
int ncols = (xcols <= PATH_MAX) ? xcols : PATH_MAX;
int lastln = xlines, onscreen = xlines - 4;
int i, attrs;
char buf[12];
char c;
--lastln;
/* Clear screen */
erase();
/* Enforce scroll/cursor invariants */
move_cursor(cur, 1);
#ifdef DIR_LIMITED_COPY
if (cfg.copymode)
if (g_crc != crc8fast((uchar *)dents, ndents * sizeof(struct entry))) {
cfg.copymode = 0;
DPRINTF_S("selection off");
}
#endif
/* Fail redraw if < than 11 columns, context info prints 10 chars */
if (ncols < 11) {
printmsg("too few columns!");
return;
}
DPRINTF_D(cur);
DPRINTF_S(path);
printw("[");
for (i = 0; i < CTX_MAX; ++i) {
if (!g_ctx[i].c_cfg.ctxactive)
printw("%d ", i + 1);
else if (cfg.curctx != i) {
attrs = COLOR_PAIR(i + 1) | A_BOLD | A_UNDERLINE;
attron(attrs);
printw("%d", i + 1);
attroff(attrs);
printw(" ");
} else {
/* Print current context in reverse */
attrs = COLOR_PAIR(i + 1) | A_BOLD | A_REVERSE;
attron(attrs);
printw("%d", i + 1);
attroff(attrs);
printw(" ");
}
}
printw("\b] "); /* 10 chars printed in total for contexts - "[1 2 3 4] " */
attron(A_UNDERLINE);
/* No text wrapping in cwd line, store the truncating char in c */
c = path[ncols - 11];
path[ncols - 11] = '\0';
printw("%s\n\n", path);
attroff(A_UNDERLINE);
path[ncols - 11] = c; /* Restore c */
/* Calculate the number of cols available to print entry name */
if (cfg.showdetail) {
/* Fallback to light mode if less than 35 columns */
if (ncols < 36) {
cfg.showdetail ^= 1;
printptr = &printent;
ncols -= 5;
} else
ncols -= 35;
} else
ncols -= 5;
if (!cfg.wild) {
attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD);
cfg.dircolor = 1;
}
/* Print listing */
for (i = curscroll; i < ndents && i < curscroll + onscreen; ++i) {
printptr(&dents[i], i == cur, ncols);
}
/* Must reset e.g. no files in dir */
if (cfg.dircolor) {
attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD);
cfg.dircolor = 0;
}
if (cfg.showdetail) {
if (ndents) {
char sort[] = "\0y time ";
if (cfg.mtimeorder)
sort[0] = 'b';
else if (cfg.sizeorder) {
sort[0] = 'b';
sort[3] = 's';
sort[5] = 'z';
}
/* We need to show filename as it may be truncated in directory listing */
if (!cfg.blkorder)
mvprintw(lastln, 0, "%d/%d %s[%s]\n", cur + 1, ndents, sort,
unescape(dents[cur].name, NAME_MAX));
else {
xstrlcpy(buf, coolsize(dir_blocks << BLK_SHIFT), 12);
if (cfg.apparentsz)
c = 'a';
else
c = 'd';
mvprintw(lastln, 0,
"%d/%d %cu: %s (%lu files) free: %s [%s]\n",
cur + 1, ndents, c, buf, num_files,
coolsize(get_fs_info(path, FREE)),
unescape(dents[cur].name, NAME_MAX));
}
} else
printmsg("0/0");
}
}
static void browse(char *ipath)
{
char newpath[PATH_MAX] __attribute__ ((aligned));
char mark[PATH_MAX] __attribute__ ((aligned));
char rundir[PATH_MAX] __attribute__ ((aligned));
char runfile[NAME_MAX + 1] __attribute__ ((aligned));
int r = -1, fd, presel, ncp = 0, copystartid = 0, copyendid = 0, onscreen;
enum action sel;
bool dir_changed = FALSE;
struct stat sb;
char *path, *lastdir, *lastname, *dir, *tmp;
MEVENT event;
atexit(dentfree);
/* setup first context */
xstrlcpy(g_ctx[0].c_path, ipath, PATH_MAX); /* current directory */
path = g_ctx[0].c_path;
g_ctx[0].c_last[0] = g_ctx[0].c_name[0] = newpath[0] = mark[0] = '\0';
rundir[0] = runfile[0] = '\0';
lastdir = g_ctx[0].c_last; /* last visited directory */
lastname = g_ctx[0].c_name; /* last visited filename */
g_ctx[0].c_fltr[0] = g_ctx[0].c_fltr[1] = '\0';
g_ctx[0].c_cfg = cfg; /* current configuration */
cfg.filtermode ? (presel = FILTER) : (presel = 0);
dents = xrealloc(dents, total_dents * sizeof(struct entry));
if (!dents)
errexit();
/* Allocate buffer to hold names */
pnamebuf = (char *)xrealloc(pnamebuf, NAMEBUF_INCR);
if (!pnamebuf)
errexit();
begin:
#ifdef LINUX_INOTIFY
if ((presel == FILTER || dir_changed) && inotify_wd >= 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
dir_changed = FALSE;
}
#elif defined(BSD_KQUEUE)
if ((presel == FILTER || dir_changed) && event_fd >= 0) {
close(event_fd);
event_fd = -1;
dir_changed = FALSE;
}
#endif
/* Can fail when permissions change while browsing.
* It's assumed that path IS a directory when we are here.
*/
if (access(path, R_OK) == -1)
printwarn(&presel);
populate(path, lastname);
if (interrupted) {
interrupted = FALSE;
cfg.apparentsz = 0;
cfg.blkorder = 0;
BLK_SHIFT = 9;
presel = CONTROL('L');
}
#ifdef LINUX_INOTIFY
if (presel != FILTER && inotify_wd == -1)
inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK);
#elif defined(BSD_KQUEUE)
if (presel != FILTER && event_fd == -1) {
#if defined(O_EVTONLY)
event_fd = open(path, O_EVTONLY);
#else
event_fd = open(path, O_RDONLY);
#endif
if (event_fd >= 0)
EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE,
EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path);
}
#endif
while (1) {
redraw(path);
nochange:
/* Exit if parent has exited */
if (getppid() == 1)
_exit(0);
/* Check if CWD is deleted to avoid hang, bad idea */
//if (access(path, F_OK))
// return;
sel = nextsel(presel);
if (presel)
presel = 0;
switch (sel) {
case SEL_CLICK:
if (getmouse(&event) != OK)
goto nochange; // fallthrough
case SEL_BACK:
// Handle right click to go to parent
if ((sel == SEL_BACK)
|| (sel == SEL_CLICK && event.bstate == BUTTON2_CLICKED)) {
dir = visit_parent(path, newpath, &presel);
if (!dir)
goto nochange;
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
/* Save history */
xstrlcpy(lastname, xbasename(path), NAME_MAX + 1);
xstrlcpy(path, dir, PATH_MAX);
setdirwatch();
goto begin;
}
// Handle clicking on a context at the top:
if (event.y == 0) {
// Get context from: "[1 2 3 4]..."
r = event.x >> 1;
if (event.x != 1 + (r << 1))
goto nochange; // The character after the context number
if (0 <= r && r < CTX_MAX && r != cfg.curctx) {
savecurctx(&cfg, path, dents[cur].name, r);
/* Reset the pointers */
path = g_ctx[r].c_path;
lastdir = g_ctx[r].c_last;
lastname = g_ctx[r].c_name;
setdirwatch();
goto begin;
}
goto nochange;
}
// Handle clicking on a file:
if (2 <= event.y && event.y < xlines - 2) {
r = curscroll + (event.y - 2);
if (r >= ndents)
goto nochange;
move_cursor(r, 1);
// Single click just selects, double click also opens
if (event.bstate != BUTTON1_DOUBLE_CLICKED)
break;
} else
goto nochange; // fallthrough
case SEL_NAV_IN: // fallthrough
case SEL_GOIN:
/* Cannot descend in empty directories */
if (!ndents)
goto begin;
mkpath(path, dents[cur].name, newpath);
DPRINTF_S(newpath);
/* Cannot use stale data in entry, file may be missing by now */
if (stat(newpath, &sb) == -1) {
printwarn(&presel);
goto nochange;
}
DPRINTF_U(sb.st_mode);
switch (sb.st_mode & S_IFMT) {
case S_IFDIR:
if (access(newpath, R_OK) == -1) {
printwarn(&presel);
goto nochange;
}
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
xstrlcpy(path, newpath, PATH_MAX);
lastname[0] = '\0';
setdirwatch();
goto begin;
case S_IFREG:
{
/* If opened as vim plugin and Enter/^M pressed, pick */
if (cfg.picker && sel == SEL_GOIN) {
r = mkpath(path, dents[cur].name, newpath);
appendfpath(newpath, r);
writecp(pcopybuf, copybufpos - 1);
return;
}
/* If open file is disabled on right arrow or `l`, return */
if (cfg.nonavopen && sel == SEL_NAV_IN)
continue;
/* Handle plugin selection mode */
if (cfg.runplugin) {
if (!plugindir || (cfg.runctx != cfg.curctx)
/* Must be in plugin directory to select plugin */
|| (strcmp(path, plugindir) != 0))
continue;
mkpath(path, dents[cur].name, newpath);
/* Copy to path so we can return back to earlier dir */
xstrlcpy(path, rundir, PATH_MAX);
if (runfile[0]) {
xstrlcpy(lastname, runfile, NAME_MAX);
spawn(newpath, lastname, NULL, path, F_NORMAL);
runfile[0] = '\0';
} else
spawn(newpath, NULL, NULL, path, F_NORMAL);
rundir[0] = '\0';
cfg.runplugin = 0;
setdirwatch();
goto begin;
}
/* If NNN_USE_EDITOR is set, open text in EDITOR */
if (cfg.useeditor &&
get_output(g_buf, CMD_LEN_MAX, "file", FILE_OPTS, newpath, FALSE)
&& g_buf[0] == 't' && g_buf[1] == 'e' && g_buf[2] == 'x'
&& g_buf[3] == g_buf[0] && g_buf[4] == '/') {
spawn(editor, newpath, NULL, path, F_CLI);
continue;
}
if (!sb.st_size) {
printwait("empty: use edit or open with", &presel);
goto nochange;
}
/* Invoke desktop opener as last resort */
spawn(opener, newpath, NULL, NULL, F_NOTRACE | F_NOWAIT);
continue;
}
default:
printwait("unsupported file", &presel);
goto nochange;
}
case SEL_NEXT:
if (ndents)
move_cursor((cur + 1) % ndents, 0);
break;
case SEL_PREV:
if (ndents)
move_cursor((cur + ndents - 1) % ndents, 0);
break;
case SEL_PGDN: // fallthrough
onscreen = xlines - 4;
move_cursor(curscroll + (onscreen - 1), 1);
curscroll += onscreen - 1;
break;
case SEL_CTRL_D:
onscreen = xlines - 4;
move_cursor(curscroll + (onscreen - 1), 1);
curscroll += onscreen >> 1;
break;
case SEL_PGUP: // fallthrough
onscreen = xlines - 4;
move_cursor(curscroll, 1);
curscroll -= onscreen - 1;
break;
case SEL_CTRL_U:
onscreen = xlines - 4;
move_cursor(curscroll, 1);
curscroll -= onscreen >> 1;
break;
case SEL_HOME:
move_cursor(0, 1);
break;
case SEL_END:
move_cursor(ndents - 1, 1);
break;
case SEL_CDHOME: // fallthrough
case SEL_CDBEGIN: // fallthrough
case SEL_CDLAST: // fallthrough
case SEL_CDROOT: // fallthrough
case SEL_VISIT:
switch (sel) {
case SEL_CDHOME:
dir = home;
break;
case SEL_CDBEGIN:
dir = ipath;
break;
case SEL_CDLAST:
dir = lastdir;
break;
case SEL_CDROOT:
dir = "/";
break;
default: /* case SEL_VISIT */
dir = mark;
break;
}
if (dir[0] == '\0') {
printwait("not set", &presel);
goto nochange;
}
if (!xdiraccess(dir)) {
presel = MSGWAIT;
goto nochange;
}
if (strcmp(path, dir) == 0)
goto nochange;
/* SEL_CDLAST: dir pointing to lastdir */
xstrlcpy(newpath, dir, PATH_MAX);
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
xstrlcpy(path, newpath, PATH_MAX);
lastname[0] = '\0';
DPRINTF_S(path);
setdirwatch();
goto begin;
case SEL_LEADER: // fallthrough
case SEL_CYCLE: // fallthrough
case SEL_CTX1: // fallthrough
case SEL_CTX2: // fallthrough
case SEL_CTX3: // fallthrough
case SEL_CTX4:
if (sel == SEL_CYCLE)
fd = '>';
else if (sel >= SEL_CTX1 && sel <= SEL_CTX4)
fd = sel - SEL_CTX1 + '1';
else
fd = get_input(NULL);
switch (fd) {
case 'q': // fallthrough
case '~': // fallthrough
case '`': // fallthrough
case '-': // fallthrough
case '@':
presel = fd;
goto nochange;
case '>': // fallthrough
case '.': // fallthrough
case '<': // fallthrough
case ',':
r = cfg.curctx;
if (fd == '>' || fd == '.')
do
r = (r + 1) & ~CTX_MAX;
while (!g_ctx[r].c_cfg.ctxactive);
else
do
r = (r + (CTX_MAX - 1)) & (CTX_MAX - 1);
while (!g_ctx[r].c_cfg.ctxactive); // fallthrough
fd = '1' + r; // fallthrough
case '1': // fallthrough
case '2': // fallthrough
case '3': // fallthrough
case '4':
r = fd - '1'; /* Save the next context id */
if (cfg.curctx == r) {
if (sel != SEL_CYCLE)
continue;
(r == CTX_MAX - 1) ? (r = 0) : ++r;
snprintf(newpath, PATH_MAX,
"Create context %d? [Enter]", r + 1);
fd = get_input(newpath);
if (fd != '\r')
continue;
}
savecurctx(&cfg, path, dents[cur].name, r);
/* Reset the pointers */
path = g_ctx[r].c_path;
lastdir = g_ctx[r].c_last;
lastname = g_ctx[r].c_name;
setdirwatch();
goto begin;
}
if (!get_bm_loc(newpath, fd)) {
printwait(messages[STR_INVBM_KEY], &presel);
goto nochange;
}
if (!xdiraccess(newpath))
goto nochange;
if (strcmp(path, newpath) == 0)
break;
lastname[0] = '\0';
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
/* Save the newly opted dir in path */
xstrlcpy(path, newpath, PATH_MAX);
DPRINTF_S(path);
setdirwatch();
goto begin;
case SEL_PIN:
xstrlcpy(mark, path, PATH_MAX);
printwait(mark, &presel);
goto nochange;
case SEL_FLTR:
/* Unwatch dir if we are still in a filtered view */
#ifdef LINUX_INOTIFY
if (inotify_wd >= 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
#elif defined(BSD_KQUEUE)
if (event_fd >= 0) {
close(event_fd);
event_fd = -1;
}
#endif
presel = filterentries(path);
/* Save current */
if (ndents)
copycurname();
if (presel == 27) {
presel = 0;
break;
}
goto nochange;
case SEL_MFLTR: // fallthrough
case SEL_TOGGLEDOT: // fallthrough
case SEL_DETAIL: // fallthrough
case SEL_FSIZE: // fallthrough
case SEL_ASIZE: // fallthrough
case SEL_BSIZE: // fallthrough
case SEL_MTIME: // fallthrough
case SEL_WILD:
switch (sel) {
case SEL_MFLTR:
cfg.filtermode ^= 1;
if (cfg.filtermode) {
presel = FILTER;
goto nochange;
}
/* Start watching the directory */
dir_changed = TRUE;
break;
case SEL_TOGGLEDOT:
cfg.showhidden ^= 1;
setdirwatch();
break;
case SEL_DETAIL:
cfg.showdetail ^= 1;
cfg.showdetail ? (printptr = &printent_long) : (printptr = &printent);
continue;
case SEL_FSIZE:
cfg.sizeorder ^= 1;
cfg.mtimeorder = 0;
cfg.apparentsz = 0;
cfg.blkorder = 0;
cfg.copymode = 0;
cfg.wild = 0;
break;
case SEL_ASIZE:
cfg.apparentsz ^= 1;
if (cfg.apparentsz) {
nftw_fn = &sum_sizes;
cfg.blkorder = 1;
BLK_SHIFT = 0;
} else
cfg.blkorder = 0; // fallthrough
case SEL_BSIZE:
if (sel == SEL_BSIZE) {
if (!cfg.apparentsz)
cfg.blkorder ^= 1;
nftw_fn = &sum_bsizes;
cfg.apparentsz = 0;
BLK_SHIFT = ffs(S_BLKSIZE) - 1;
}
if (cfg.blkorder) {
cfg.showdetail = 1;
printptr = &printent_long;
}
cfg.mtimeorder = 0;
cfg.sizeorder = 0;
cfg.copymode = 0;
cfg.wild = 0;
break;
case SEL_MTIME:
cfg.mtimeorder ^= 1;
cfg.sizeorder = 0;
cfg.apparentsz = 0;
cfg.blkorder = 0;
cfg.copymode = 0;
cfg.wild = 0;
break;
default: /* SEL_WILD */
cfg.wild ^= 1;
cfg.mtimeorder = 0;
cfg.sizeorder = 0;
cfg.apparentsz = 0;
cfg.blkorder = 0;
cfg.copymode = 0;
setdirwatch();
goto nochange;
}
/* Save current */
if (ndents)
copycurname();
goto begin;
case SEL_STATS:
if (!ndents)
break;
mkpath(path, dents[cur].name, newpath);
if (lstat(newpath, &sb) == -1 || !show_stats(newpath, dents[cur].name, &sb)) {
printwarn(&presel);
goto nochange;
}
break;
case SEL_MEDIA: // fallthrough
case SEL_FMEDIA: // fallthrough
case SEL_ARCHIVELS: // fallthrough
case SEL_EXTRACT: // fallthrough
case SEL_RUNEDIT: // fallthrough
case SEL_RUNPAGE:
if (!ndents)
break; // fallthrough
case SEL_REDRAW: // fallthrough
case SEL_RENAMEALL: // fallthrough
case SEL_HELP: // fallthrough
case SEL_NOTE: // fallthrough
case SEL_LOCK:
{
if (ndents)
mkpath(path, dents[cur].name, newpath);
r = TRUE;
switch (sel) {
case SEL_MEDIA: // fallthrough
case SEL_FMEDIA:
tmp = (sel == SEL_FMEDIA) ? "-f" : NULL;
show_mediainfo(newpath, tmp);
setdirwatch();
goto nochange;
case SEL_ARCHIVELS:
r = handle_archive(newpath, path, 'l');
break;
case SEL_EXTRACT:
r = handle_archive(newpath, path, 'x');
break;
case SEL_REDRAW:
if (ndents)
copycurname();
goto begin;
case SEL_RENAMEALL:
if (!batch_rename(path)) {
printwait("batch rename failed", &presel);
goto nochange;
}
break;
case SEL_HELP:
r = show_help(path);
break;
case SEL_RUNEDIT:
spawn(editor, dents[cur].name, NULL, path, F_CLI);
break;
case SEL_RUNPAGE:
spawn(pager, dents[cur].name, NULL, path, F_CLI);
break;
case SEL_NOTE:
{
static char *notepath;
notepath = notepath ? notepath : getenv(env_cfg[NNN_NOTE]);
if (!notepath) {
printwait("set NNN_NOTE", &presel);
goto nochange;
}
spawn(editor, notepath, NULL, path, F_CLI);
break;
}
default: /* SEL_LOCK */
lock_terminal();
break;
}
if (!r) {
printwait(messages[UTIL_MISSING], &presel);
goto nochange;
}
/* In case of successful operation, reload contents */
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
/* Save current */
if (ndents)
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
}
case SEL_COPY:
if (!ndents)
goto nochange;
if (cfg.copymode) {
/*
* Clear the selection file on first copy.
*
* This ensures that when the first file path is
* copied into memory (but not written to tmp file
* yet to save on writes), the tmp file is cleared.
* The user may be in the middle of selection mode op
* and issue a cp, mv of multi-rm assuming the files
* in the copy list would be affected. However, these
* ops read the source file paths from the tmp file.
*/
if (!ncp)
writecp(NULL, 0);
r = mkpath(path, dents[cur].name, newpath);
appendfpath(newpath, r);
++ncp;
} else {
r = mkpath(path, dents[cur].name, newpath);
if (copybufpos) {
resetcpind();
/* Keep the copy buf in sync */
copybufpos = 0;
}
appendfpath(newpath, r);
writecp(newpath, r - 1); /* Truncate NULL from end */
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
}
dents[cur].flags |= FILE_COPIED;
break;
case SEL_COPYMUL:
cfg.copymode ^= 1;
if (cfg.copymode) {
if (copybufpos) {
resetcpind();
writecp(NULL, 0);
copybufpos = 0;
}
g_crc = crc8fast((uchar *)dents, ndents * sizeof(struct entry));
copystartid = cur;
ncp = 0;
mvprintw(xlines - 1, 0, "selection on\n");
xdelay();
continue;
}
if (!ncp) { /* Handle range selection */
#ifndef DIR_LIMITED_COPY
if (g_crc != crc8fast((uchar *)dents,
ndents * sizeof(struct entry))) {
cfg.copymode = 0;
printwait("dir/content changed", &presel);
goto nochange;
}
#endif
if (cur < copystartid) {
copyendid = copystartid;
copystartid = cur;
} else
copyendid = cur;
} // fallthrough
case SEL_COPYALL:
if (sel == SEL_COPYALL) {
if (!ndents)
goto nochange;
cfg.copymode = 0;
copybufpos = 0;
ncp = 0; /* Override single/multi path selection */
copystartid = 0;
copyendid = ndents - 1;
}
if ((!ncp && copystartid < copyendid) || sel == SEL_COPYALL) {
for (r = copystartid; r <= copyendid; ++r) {
appendfpath(newpath, mkpath(path, dents[r].name, newpath));
dents[r].flags |= FILE_COPIED;
}
ncp = copyendid - copystartid + 1;
mvprintw(xlines - 1, 0, "%d selected\n", ncp);
xdelay();
}
if (copybufpos) { /* File path(s) written to the buffer */
writecp(pcopybuf, copybufpos - 1); /* Truncate NULL from end */
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
if (ncp) { /* Some files cherry picked */
mvprintw(xlines - 1, 0, "%d selected\n", ncp);
xdelay();
}
} else {
printwait("selection off", &presel);
goto nochange;
}
continue;
case SEL_COPYLIST:
if (copybufpos) {
showcplist();
if (cfg.filtermode)
presel = FILTER;
break;
}
printwait(messages[NONE_SELECTED], &presel);
goto nochange;
case SEL_CP:
case SEL_MV:
case SEL_RMMUL:
{
if (!cpsafe()) {
presel = MSGWAIT;
goto nochange;
}
switch (sel) {
case SEL_CP:
cpstr(g_buf);
break;
case SEL_MV:
mvstr(g_buf);
break;
default: /* SEL_RMMUL */
rmmulstr(g_buf);
break;
}
spawn("sh", "-c", g_buf, path, F_NORMAL);
if (ndents)
copycurname();
if (cfg.filtermode)
presel = FILTER;
goto begin;
}
case SEL_RM:
{
if (!ndents)
break;
mkpath(path, dents[cur].name, newpath);
xrm(newpath);
/* Don't optimize cur if filtering is on */
if (!cfg.filtermode && cur && access(newpath, F_OK) == -1)
move_cursor(cur - 1, 0);
/* We reduce cur only if it is > 0, so it's at least 0 */
copycurname();
if (cfg.filtermode)
presel = FILTER;
goto begin;
}
case SEL_OPENWITH: // fallthrough
case SEL_RENAME:
if (!ndents)
break; // fallthrough
case SEL_ARCHIVE: // fallthrough
case SEL_NEW:
{
switch (sel) {
case SEL_ARCHIVE:
r = get_input("archive selection (else current)? [y/Y]");
if (r == 'y' || r == 'Y') {
if (!cpsafe()) {
presel = MSGWAIT;
goto nochange;
}
tmp = NULL;
} else if (!ndents) {
printwait("no files", &presel);
goto nochange;
} else
tmp = dents[cur].name;
tmp = xreadline(tmp, "archive name: ");
break;
case SEL_OPENWITH:
#ifdef NORL
tmp = xreadline(NULL, "open with: ");
#else
presel = 0;
tmp = getreadline("open with: ", path, ipath, &presel);
if (presel == MSGWAIT)
goto nochange;
#endif
break;
case SEL_NEW:
tmp = xreadline(NULL, "name/link suffix [@ for none]: ");
break;
default: /* SEL_RENAME */
tmp = xreadline(dents[cur].name, "");
break;
}
if (!tmp || !*tmp)
break;
/* Allow only relative, same dir paths */
if (tmp[0] == '/' || xstrcmp(xbasename(tmp), tmp) != 0) {
printwait(messages[STR_INPUT_ID], &presel);
goto nochange;
}
/* Confirm if app is CLI or GUI */
if (sel == SEL_OPENWITH) {
r = get_input("cli mode? [y/Y]");
(r == 'y' || r == 'Y') ? (r = F_CLI)
: (r = F_NOWAIT | F_NOTRACE | F_MULTI);
}
switch (sel) {
case SEL_ARCHIVE:
{
char cmd[] = "bsdtar -cf";
if (getutil(utils[ATOOL]))
xstrlcpy(cmd, "atool -a", 10);
else if (!getutil(utils[BSDTAR])) {
printwait(messages[UTIL_MISSING], &presel);
goto nochange;
}
(r == 'y' || r == 'Y') ? archive_selection(cmd, tmp, path)
: spawn(cmd, tmp, dents[cur].name,
path, F_NORMAL | F_MULTI);
break;
}
case SEL_OPENWITH:
mkpath(path, dents[cur].name, newpath);
spawn(tmp, newpath, NULL, path, r);
break;
case SEL_RENAME:
/* Skip renaming to same name */
if (strcmp(tmp, dents[cur].name) == 0)
goto nochange;
break;
default:
break;
}
/* Complete OPEN, LAUNCH, ARCHIVE operations */
if (sel != SEL_NEW && sel != SEL_RENAME) {
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
/* Save current */
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
}
/* Open the descriptor to currently open directory */
fd = open(path, O_RDONLY | O_DIRECTORY);
if (fd == -1) {
printwarn(&presel);
goto nochange;
}
/* Check if another file with same name exists */
if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) {
if (sel == SEL_RENAME) {
/* Overwrite file with same name? */
r = get_input("overwrite? [y/Y]");
if (r != 'y' && r != 'Y') {
close(fd);
break;
}
} else {
/* Do nothing in case of NEW */
close(fd);
printwait("entry exists", &presel);
goto nochange;
}
}
if (sel == SEL_RENAME) {
/* Rename the file */
if (renameat(fd, dents[cur].name, fd, tmp) != 0) {
close(fd);
printwarn(&presel);
goto nochange;
}
} else {
/* Check if it's a dir or file */
r = get_input("create 'f'(ile) / 'd'(ir) / 's'(ym) / 'h'(ard)?");
if (r == 'f') {
r = openat(fd, tmp, O_CREAT, 0666);
close(r);
} else if (r == 'd') {
r = mkdirat(fd, tmp, 0777);
} else if (r == 's' || r == 'h') {
if (tmp[0] == '@' && tmp[1] == '\0')
tmp[0] = '\0';
r = xlink(tmp, path, newpath, &presel, r);
close(fd);
if (r <= 0)
goto nochange;
if (cfg.filtermode)
presel = FILTER;
if (ndents)
copycurname();
goto begin;
} else {
close(fd);
break;
}
/* Check if file creation failed */
if (r == -1) {
printwarn(&presel);
close(fd);
goto nochange;
}
}
close(fd);
xstrlcpy(lastname, tmp, NAME_MAX + 1);
goto begin;
}
case SEL_EXEC: // fallthrough
case SEL_SHELL: // fallthrough
case SEL_PLUGIN: // fallthrough
case SEL_LAUNCH: // fallthrough
case SEL_RUNCMD:
switch (sel) {
case SEL_EXEC:
if (!execute_file(cur, path, newpath, &presel))
goto nochange;
break;
case SEL_SHELL:
spawn(shell, NULL, NULL, path, F_CLI);
break;
case SEL_PLUGIN:
if (!plugindir) {
printwait("plugins dir missing", &presel);
goto nochange;
}
if (stat(plugindir, &sb) == -1) {
printwarn(&presel);
goto nochange;
}
/* Must be a directory */
if (!S_ISDIR(sb.st_mode))
break;
cfg.runplugin ^= 1;
if (!cfg.runplugin && rundir[0]) {
/*
* If toggled, and still in the plugin dir,
* switch to original directory
*/
if (strcmp(path, plugindir) == 0) {
xstrlcpy(path, rundir, PATH_MAX);
xstrlcpy(lastname, runfile, NAME_MAX);
rundir[0] = runfile[0] = '\0';
setdirwatch();
goto begin;
}
break;
}
/* Check if directory is accessible */
if (!xdiraccess(plugindir))
goto nochange;
xstrlcpy(rundir, path, PATH_MAX);
xstrlcpy(path, plugindir, PATH_MAX);
if (ndents)
xstrlcpy(runfile, dents[cur].name, NAME_MAX);
cfg.runctx = cfg.curctx;
lastname[0] = '\0';
setdirwatch();
goto begin;
case SEL_LAUNCH:
if (getutil(utils[NLAUNCH])) {
spawn(utils[NLAUNCH], "0", NULL, path, F_NORMAL);
break;
} // fallthrough
default: /* SEL_RUNCMD */
#ifndef NORL
if (cfg.picker) {
#endif
tmp = xreadline(NULL, "> ");
#ifndef NORL
} else {
presel = 0;
tmp = getreadline("> ", path, ipath, &presel);
if (presel == MSGWAIT)
goto nochange;
}
#endif
if (tmp && tmp[0]) // NOLINT
spawn(shell, "-c", tmp, path, F_CLI);
}
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
/* Save current */
if (ndents)
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
case SEL_SSHFS:
if (!sshfs_mount(path, newpath, &presel))
goto nochange;
lastname[0] = '\0';
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
/* Switch to mount point */
xstrlcpy(path, newpath, PATH_MAX);
setdirwatch();
goto begin;
case SEL_UMOUNT:
sshfs_unmount(path, newpath, &presel);
goto nochange;
case SEL_QUITCD: // fallthrough
case SEL_QUIT:
for (r = 0; r < CTX_MAX; ++r)
if (r != cfg.curctx && g_ctx[r].c_cfg.ctxactive) {
r = get_input("Quit all contexts? [Enter]");
break;
}
if (!(r == CTX_MAX || r == '\r'))
break;
if (sel == SEL_QUITCD) {
/* In vim picker mode, clear selection and exit */
if (cfg.picker) {
/* Picker mode: reset buffer or clear file */
if (copybufpos)
cfg.pickraw ? copybufpos = 0 : writecp(NULL, 0);
} else if (!write_lastdir(path)) {
presel = MSGWAIT;
goto nochange;
}
}
return;
case SEL_QUITCTX:
fd = cfg.curctx; /* fd used as tmp var */
for (r = (fd + 1) & ~CTX_MAX;
(r != fd) && !g_ctx[r].c_cfg.ctxactive;
r = ((r + 1) & ~CTX_MAX)) {
};
if (r != fd) {
bool copymode = cfg.copymode ? TRUE : FALSE;
g_ctx[fd].c_cfg.ctxactive = 0;
/* Switch to next active context */
path = g_ctx[r].c_path;
lastdir = g_ctx[r].c_last;
lastname = g_ctx[r].c_name;
/* Switch light/detail mode */
if (cfg.showdetail != g_ctx[r].c_cfg.showdetail)
/* Set the reverse */
printptr = cfg.showdetail ? &printent : &printent_long;
cfg = g_ctx[r].c_cfg;
/* Continue copy mode */
cfg.copymode = copymode;
cfg.curctx = r;
setdirwatch();
goto begin;
}
return;
default:
if (xlines != LINES || xcols != COLS) {
idle = 0;
setdirwatch();
if (ndents)
copycurname();
goto begin;
}
/* Locker */
if (idletimeout && idle == idletimeout) {
idle = 0;
lock_terminal();
if (ndents)
copycurname();
goto begin;
}
goto nochange;
} /* switch (sel) */
}
}
static void usage(void)
{
fprintf(stdout,
"%s: nnn [-b key] [-d] [-e] [-i] [-l] [-n]\n"
" [-p file] [-s] [-S] [-v] [-w] [-h] [PATH]\n\n"
"The missing terminal file manager for X.\n\n"
"positional args:\n"
" PATH start dir [default: current dir]\n\n"
"optional args:\n"
" -b key open bookmark key\n"
" -d show hidden files\n"
" -e use exiftool for media info\n"
" -i nav-as-you-type mode\n"
" -l light mode\n"
" -n use version compare to sort\n"
" -p file selection file (stdout if '-')\n"
" -s string filters [default: regex]\n"
" -S du mode\n"
" -v show version\n"
" -w wild load\n"
" -h show help\n\n"
"v%s\n%s\n", __func__, VERSION, GENERAL_INFO);
}
static bool setup_config(void)
{
size_t r, len;
char *xdgcfg = getenv("XDG_CONFIG_HOME");
bool xdg = FALSE;
/* Set up configuration file paths */
if (xdgcfg && xdgcfg[0]) {
DPRINTF_S(xdgcfg);
if (xdgcfg[0] == '~') {
r = xstrlcpy(g_buf, home, PATH_MAX);
xstrlcpy(g_buf + r - 1, xdgcfg + 1, PATH_MAX);
xdgcfg = g_buf;
DPRINTF_S(xdgcfg);
}
if (!xdiraccess(xdgcfg)) {
xerror();
return FALSE;
}
len = strlen(xdgcfg) + 1 + 12; /* add length of "/nnn/plugins" */
xdg = TRUE;
}
if (!xdg)
len = strlen(home) + 1 + 20; /* add length of "/.config/nnn/plugins" */
cfgdir = (char *)malloc(len);
plugindir = (char *)malloc(len);
if (!cfgdir || !plugindir) {
xerror();
return FALSE;
}
if (xdg) {
xstrlcpy(cfgdir, xdgcfg, len);
r = len - 12;
} else {
r = xstrlcpy(cfgdir, home, len);
/* Create ~/.config */
xstrlcpy(cfgdir + r - 1, "/.config", len - r);
DPRINTF_S(cfgdir);
if (!create_dir(cfgdir)) {
xerror();
return FALSE;
}
r += 8; /* length of "/.config" */
}
/* Create ~/.config/nnn */
xstrlcpy(cfgdir + r - 1, "/nnn", len - r);
DPRINTF_S(cfgdir);
if (!create_dir(cfgdir)) {
xerror();
return FALSE;
}
/* Create ~/.config/nnn/plugins */
xstrlcpy(cfgdir + r + 4 - 1, "/plugins", 9);
DPRINTF_S(cfgdir);
xstrlcpy(plugindir, cfgdir, len);
DPRINTF_S(plugindir);
if (!create_dir(cfgdir)) {
xerror();
return FALSE;
}
/* Reset to config path */
cfgdir[r + 3] = '\0';
DPRINTF_S(cfgdir);
/* Set selection file path */
if (!cfg.picker) {
/* Length of "/.config/nnn/.selection" */
g_cppath = (char *)malloc(len + 3);
r = xstrlcpy(g_cppath, cfgdir, len + 3);
xstrlcpy(g_cppath + r - 1, "/.selection", 12);
DPRINTF_S(g_cppath);
}
return TRUE;
}
static bool set_tmp_path()
{
char *path;
if (xdiraccess("/tmp"))
g_tmpfplen = xstrlcpy(g_tmpfpath, "/tmp", TMP_LEN_MAX);
else {
path = getenv("TMPDIR");
if (path)
g_tmpfplen = xstrlcpy(g_tmpfpath, path, TMP_LEN_MAX);
else {
fprintf(stderr, "set TMPDIR\n");
return FALSE;
}
}
return TRUE;
}
static void cleanup(void)
{
free(g_cppath);
free(plugindir);
free(cfgdir);
free(initpath);
#ifdef DBGMODE
disabledbg();
#endif
}
int main(int argc, char *argv[])
{
char *arg = NULL;
int opt;
while ((opt = getopt(argc, argv, "Slib:denp:svwh")) != -1) {
switch (opt) {
case 'S':
cfg.blkorder = 1;
nftw_fn = sum_bsizes;
BLK_SHIFT = ffs(S_BLKSIZE) - 1;
break;
case 'l':
cfg.showdetail = 0;
printptr = &printent;
break;
case 'i':
cfg.filtermode = 1;
break;
case 'b':
arg = optarg;
break;
case 'd':
cfg.showhidden = 1;
break;
case 'e':
cfg.metaviewer = EXIFTOOL;
break;
case 'n':
cmpfn = &xstrverscmp;
break;
case 'p':
cfg.picker = 1;
if (optarg[0] == '-' && optarg[1] == '\0')
cfg.pickraw = 1;
else {
int fd = open(optarg, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1) {
xerror();
return 1;
}
close(fd);
g_cppath = realpath(optarg, NULL);
unlink(g_cppath);
}
break;
case 's':
cfg.filter_re = 0;
filterfn = &visible_str;
break;
case 'v':
fprintf(stdout, "%s\n", VERSION);
return 0;
case 'w':
cfg.wild = 1;
break;
case 'h':
usage();
return 0;
default:
usage();
return 1;
}
}
/* Confirm we are in a terminal */
if (!cfg.picker && !(isatty(0) && isatty(1)))
exit(1);
/* Get the context colors; copier used as tmp var */
copier = xgetenv(env_cfg[NNN_CONTEXT_COLORS], "4444");
opt = 0;
while (opt < CTX_MAX) {
if (*copier) {
if (*copier < '0' || *copier > '7') {
fprintf(stderr, "0 <= code <= 7\n");
return 1;
}
g_ctx[opt].color = *copier - '0';
++copier;
} else
g_ctx[opt].color = 4;
++opt;
}
#ifdef DBGMODE
enabledbg();
#endif
atexit(cleanup);
home = getenv("HOME");
if (!home) {
fprintf(stderr, "set HOME\n");
return 1;
}
DPRINTF_S(home);
if (!setup_config())
return 1;
/* Get custom opener, if set */
opener = xgetenv(env_cfg[NNN_OPENER], utils[OPENER]);
DPRINTF_S(opener);
/* Parse bookmarks string */
if (!parsebmstr()) {
fprintf(stderr, "%s\n", env_cfg[NNN_BMS]);
return 1;
}
if (arg) { /* Open a bookmark directly */
if (arg[1] || (initpath = get_bm_loc(NULL, *arg)) == NULL) {
fprintf(stderr, "%s\n", messages[STR_INVBM_KEY]);
return 1;
}
} else if (argc == optind) {
/* Start in the current directory */
initpath = getcwd(NULL, PATH_MAX);
if (!initpath)
initpath = "/";
} else {
arg = argv[optind];
if (strlen(arg) > 7 && arg[0] == 'f' && arg[1] == 'i' && arg[2] == 'l'
&& arg[3] == 'e' && arg[4] == ':' && arg[5] == '/' && arg[6] == '/')
arg = arg + 7;
initpath = realpath(arg, NULL);
DPRINTF_S(initpath);
if (!initpath) {
xerror();
return 1;
}
/*
* If nnn is set as the file manager, applications may try to open
* files by invoking nnn. In that case pass the file path to the
* desktop opener and exit.
*/
struct stat sb;
if (stat(initpath, &sb) == -1) {
xerror();
return 1;
}
if (S_ISREG(sb.st_mode)) {
execlp(opener, opener, arg, NULL);
return 0;
}
}
/* Edit text in EDITOR, if opted */
if (xgetenv_set(env_cfg[NNN_USE_EDITOR]))
cfg.useeditor = 1;
/* Get VISUAL/EDITOR */
editor = xgetenv(envs[VISUAL], xgetenv(envs[EDITOR], "vi"));
DPRINTF_S(getenv(envs[VISUAL]));
DPRINTF_S(getenv(envs[EDITOR]));
DPRINTF_S(editor);
/* Get PAGER */
pager = xgetenv(envs[PAGER], "less");
DPRINTF_S(pager);
/* Get SHELL */
shell = xgetenv(envs[SHELL], "sh");
DPRINTF_S(shell);
DPRINTF_S(getenv("PWD"));
#ifdef LINUX_INOTIFY
/* Initialize inotify */
inotify_fd = inotify_init1(IN_NONBLOCK);
if (inotify_fd < 0) {
xerror();
return 1;
}
#elif defined(BSD_KQUEUE)
kq = kqueue();
if (kq < 0) {
xerror();
return 1;
}
#endif
/* Get custom opener, if set */
opener = xgetenv(env_cfg[NNN_OPENER], utils[OPENER]);
DPRINTF_S(opener);
/* Set nnn nesting level, idletimeout used as tmp var */
idletimeout = xatoi(getenv(env_cfg[NNNLVL]));
setenv(env_cfg[NNNLVL], xitoa(++idletimeout), 1);
/* Get locker wait time, if set */
idletimeout = xatoi(getenv(env_cfg[NNN_IDLE_TIMEOUT]));
DPRINTF_U(idletimeout);
if (xgetenv_set(env_cfg[NNN_TRASH]))
cfg.trash = 1;
/* Prefix for temporary files */
if (!set_tmp_path())
return 1;
/* Get the clipboard copier, if set */
copier = getenv(env_cfg[NNN_COPIER]);
/* Disable auto-select if opted */
if (xgetenv_set(env_cfg[NNN_NO_AUTOSELECT]))
cfg.autoselect = 0;
/* Disable opening files on right arrow and `l` */
if (xgetenv_set(env_cfg[NNN_RESTRICT_NAV_OPEN]))
cfg.nonavopen = 1;
#ifdef __linux__
if (!xgetenv_set(env_cfg[NNN_OPS_PROG])) {
cp[5] = cp[4];
cp[2] = cp[4] = ' ';
mv[5] = mv[4];
mv[2] = mv[4] = ' ';
}
#endif
/* Ignore/handle certain signals */
struct sigaction act = {.sa_handler = sigint_handler};
if (sigaction(SIGINT, &act, NULL) < 0) {
xerror();
return 1;
}
signal(SIGQUIT, SIG_IGN);
/* Test initial path */
if (!xdiraccess(initpath)) {
xerror();
return 1;
}
/* Set locale */
setlocale(LC_ALL, "");
#ifndef NORL
/* Bind TAB to cycling */
rl_variable_bind("completion-ignore-case", "on");
#ifdef __linux__
rl_bind_key('\t', rl_menu_complete);
#else
rl_bind_key('\t', rl_complete);
#endif
read_history(NULL);
#endif
if (!initcurses())
return 1;
browse(initpath);
exitcurses();
#ifndef NORL
write_history(NULL);
#endif
if (cfg.pickraw) {
if (copybufpos) {
opt = selectiontofd(1, NULL);
if (opt != (int)(copybufpos))
xerror();
}
} else if (!cfg.picker && g_cppath)
unlink(g_cppath);
/* Free the copy buffer */
free(pcopybuf);
#ifdef LINUX_INOTIFY
/* Shutdown inotify */
if (inotify_wd >= 0)
inotify_rm_watch(inotify_fd, inotify_wd);
close(inotify_fd);
#elif defined(BSD_KQUEUE)
if (event_fd >= 0)
close(event_fd);
close(kq);
#endif
return 0;
}