Arun Prakash Jana преди 5 години
родител
ревизия
6ba367b6c6
No known key found for this signature in database GPG Key ID: A75979F35C080412
променени са 1 файла, в които са добавени 105 реда и са изтрити 149 реда
  1. +105
    -149
      src/nnn.c

+ 105
- 149
src/nnn.c Целия файл

@@ -492,13 +492,13 @@ static int (*nftw_fn)(const char *fpath, const struct stat *sb, int typeflag, st
* CRC8 source:
* https://barrgroup.com/Embedded-Systems/How-To/CRC-Calculation-C-Code
*/
static uchar crc8fast(uchar const message[], size_t n)
static uchar crc8fast(const uchar * const message, size_t n)
{
static uchar data, remainder;
static size_t byte;
uchar data, remainder;
size_t byte;

/* CRC data */
static const uchar crc8table[CRC8_TABLE_LEN] __attribute__ ((aligned)) = {
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,
@@ -612,9 +612,8 @@ static rlim_t max_openfds(void)
*/
static void *xrealloc(void *pcur, size_t len)
{
static void *pmem;
void *pmem = realloc(pcur, len);

pmem = realloc(pcur, len);
if (!pmem)
free(pcur);

@@ -628,15 +627,14 @@ static void *xrealloc(void *pcur, size_t len)
*/
static size_t xstrlcpy(char *dest, const char *src, size_t n)
{
if (!src || !dest || !n)
return 0;

static ulong *s, *d;
static size_t len, blocks;
static const uint lsize = sizeof(ulong);
static const uint _WSHIFT = (sizeof(ulong) == 8) ? 3 : 2;
size_t len = strlen(src) + 1, blocks;

if (!src || !dest || !n)
return 0;

len = strlen(src) + 1;
if (n > len)
n = len;
else if (len > n)
@@ -687,12 +685,10 @@ static size_t xstrlcpy(char *dest, const char *src, size_t n)
*/
static void *xmemrchr(uchar *s, uchar ch, size_t n)
{
static uchar *ptr;

if (!s || !n)
return NULL;

ptr = s + n;
uchar *ptr = s + n;

do {
--ptr;
@@ -712,7 +708,7 @@ static void *xmemrchr(uchar *s, uchar ch, size_t n)
*/
static char *xdirname(const char *path)
{
static char * const buf = g_buf, *last_slash, *runp;
char * const buf = g_buf, *last_slash, *runp;

xstrlcpy(buf, path, PATH_MAX);

@@ -766,9 +762,7 @@ static char *xdirname(const char *path)

static char *xbasename(char *path)
{
static char *base;

base = xmemrchr((uchar *)path, '/', strlen(path));
char *base = xmemrchr((uchar *)path, '/', strlen(path));
return base ? base + 1 : path;
}

@@ -789,9 +783,9 @@ static uint xatoi(const char *str)

static char *xitoa(uint val)
{
static const char hexbuf[] = "0123456789";
const char hexbuf[] = "0123456789";
static char ascbuf[32] = {0};
static int i;
int i;

for (i = 30; val && i; --i, val /= 10)
ascbuf[i] = hexbuf[val % 10];
@@ -802,15 +796,13 @@ static char *xitoa(uint val)
/* Writes buflen char(s) from buf to a file */
static void writecp(const char *buf, const size_t buflen)
{
static FILE *fp;

if (cfg.pickraw)
return;

if (!g_cppath[0])
return;

fp = fopen(g_cppath, "w");
FILE *fp = fopen(g_cppath, "w");

if (fp) {
fwrite(buf, 1, buflen, fp);
@@ -1065,12 +1057,10 @@ static bool quote_run_sh_cmd(const char *cmd, const char *arg, const char *path)
/* Get program name from env var, else return fallback program */
static char *xgetenv(const char *name, char *fallback)
{
static char *value;

if (name == NULL)
return fallback;

value = getenv(name);
char *value = getenv(name);

return value && value[0] ? value : fallback;
}
@@ -1081,7 +1071,7 @@ static char *xgetenv(const char *name, char *fallback)
*/
static void getprogarg(char *prog, char **arg)
{
char *argptr;
const char *argptr;

while (*prog && !isblank(*prog))
++prog;
@@ -1105,9 +1095,8 @@ static void getprogarg(char *prog, char **arg)
/* Check if a dir exists, IS a dir and is readable */
static bool xdiraccess(const char *path)
{
static DIR *dirp;
DIR *dirp = opendir(path);

dirp = opendir(path);
if (dirp == NULL) {
printwarn();
return FALSE;
@@ -1135,13 +1124,10 @@ static int digit_compare(const char *a, const char *b)
*/
static int xstricmp(const char * const s1, const char * const s2)
{
static const char *c1, *c2, *m1, *m2;
static int count1, count2, bias;

static char sign[2];
const char *c1, *c2, *m1, *m2;
int count1 = 0, count2 = 0, bias;
char sign[2];

count1 = 0;
count2 = 0;
sign[0] = '+';
sign[1] = '+';

@@ -1228,13 +1214,10 @@ static int xstricmp(const char * const s1, const char * const s2)
*/
static int xstrverscmp(const char * const s1, const char * const s2)
{
static const uchar *p1;
static const uchar *p2;
static uchar c1, c2;
static int state, diff;

p1 = (const uchar *)s1;
p2 = (const uchar *)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
@@ -1306,12 +1289,11 @@ static char xchartohex(char c)
return c;
}

static int setfilter(regex_t *regex, char *filter)
static int setfilter(regex_t *regex, const char *filter)
{
static size_t len;
static int r;
size_t len;
int r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);

r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0 && filter && filter[0] != '\0') {
len = COLS;
if (len > NAME_MAX)
@@ -1322,24 +1304,22 @@ static int setfilter(regex_t *regex, char *filter)
return r;
}

static int visible_re(regex_t *regex, char *fname, char *fltr)
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, char *fname, char *fltr)
static int visible_str(regex_t *regex, const char *fname, const char *fltr)
{
return strcasestr(fname, fltr) != NULL;
}

static int (*filterfn)(regex_t *regex, char *fname, char *fltr) = &visible_re;
static int (*filterfn)(regex_t *regex, const char *fname, const char *fltr) = &visible_re;

static int entrycmp(const void *va, const void *vb)
{
static pEntry pa, pb;

pa = (pEntry)va;
pb = (pEntry)vb;
const pEntry pa = (pEntry)va;
const pEntry 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)
@@ -1378,9 +1358,9 @@ static int entrycmp(const void *va, const void *vb)
*/
static int nextsel(int *presel)
{
static int c;
static uint i;
static const uint len = LEN(bindings);
int c;
uint i;
const uint len = LEN(bindings);
#ifdef LINUX_INOTIFY
static char inotify_buf[EVENT_BUF_LEN];
#elif defined(BSD_KQUEUE)
@@ -1423,10 +1403,7 @@ static int nextsel(int *presel)

static inline void swap_ent(int id1, int id2)
{
static struct entry _dent, *pdent1, *pdent2;;

pdent1 = &dents[id1];
pdent2 = &dents[id2];
struct entry _dent, *pdent1 = &dents[id1], *pdent2 = &dents[id2];

*(&_dent) = *pdent1;
*pdent1 = *pdent2;
@@ -1436,11 +1413,9 @@ static inline void swap_ent(int id1, int id2)
/*
* Move non-matching entries to the end
*/
static int fill(char *fltr, regex_t *re)
static int fill(const char *fltr, regex_t *re)
{
static int count;

for (count = 0; count < ndents; ++count) {
for (int count = 0; count < ndents; ++count) {
if (filterfn(re, dents[count].name, fltr) == 0) {
if (count != --ndents) {
swap_ent(count, ndents);
@@ -1454,9 +1429,9 @@ static int fill(char *fltr, regex_t *re)
return ndents;
}

static int matches(char *fltr)
static int matches(const char *fltr)
{
static regex_t re;
regex_t re;

/* Search filter */
if (cfg.filter_re && setfilter(&re, fltr) != 0)
@@ -1477,7 +1452,7 @@ static int filterentries(char *path)
{
static char ln[REGEX_MAX] __attribute__ ((aligned));
static wchar_t wln[REGEX_MAX] __attribute__ ((aligned));
static wint_t ch[2] = {0};
wint_t ch[2] = {0};
int r, total = ndents, oldcur = cur, len = 1;
char *pln = ln + 1;

@@ -1608,7 +1583,7 @@ static char *xreadline(char *prefill, char *prompt)
size_t len, pos;
int x, y, r;
wint_t ch[2] = {0};
static wchar_t * const buf = (wchar_t *)g_buf;
wchar_t * const buf = (wchar_t *)g_buf;

cleartimeout();
printprompt(prompt);
@@ -1725,7 +1700,7 @@ END:
*/
static size_t mkpath(char *dir, char *name, char *out)
{
static size_t len;
size_t len;

/* Handle absolute path */
if (name[0] == '/')
@@ -1822,12 +1797,9 @@ static bool parsebmstr(void)
* 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(int key, char *buf)
static char *get_bm_loc(char *buf, int key)
{
int r;
ssize_t count;

for (r = 0; bookmark[r].key && r < BM_MAX; ++r) {
for (int r = 0; bookmark[r].key && r < BM_MAX; ++r) {
if (bookmark[r].key == key) {
if (bookmark[r].loc[0] == '~') {
if (!home) {
@@ -1835,7 +1807,7 @@ static char *get_bm_loc(int key, char *buf)
return NULL;
}

count = xstrlcpy(buf, home, PATH_MAX);
ssize_t count = xstrlcpy(buf, home, PATH_MAX);
xstrlcpy(buf + count - 1, bookmark[r].loc + 1, PATH_MAX - count - 1);
} else
xstrlcpy(buf, bookmark[r].loc, PATH_MAX);
@@ -1871,14 +1843,13 @@ static void resetdircolor(int flags)
static char *unescape(const char *str, uint maxcols)
{
static wchar_t wbuf[PATH_MAX] __attribute__ ((aligned));
static wchar_t *buf;
static wchar_t *buf = wbuf;
static size_t len, lencount;

/* Convert multi-byte to wide char */
len = mbstowcs(wbuf, str, PATH_MAX);

g_buf[0] = '\0';
buf = wbuf;

if (maxcols) {
len = lencount = wcswidth(wbuf, len);
@@ -1912,8 +1883,7 @@ static char *coolsize(off_t size)
static off_t rem;
static int i;

i = 0;
rem = 0;
rem = i = 0;

while (size > 1024) {
rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */
@@ -1997,11 +1967,9 @@ static char *get_file_sym(mode_t mode)
return ind;
}

static void printent(struct entry *ent, int sel, uint namecols)
static void printent(const struct entry *ent, int sel, uint namecols)
{
static char *pname;

pname = unescape(ent->name, namecols);
const char *pname = unescape(ent->name, namecols);

/* Directories are always shown on top */
resetdircolor(ent->flags);
@@ -2009,9 +1977,9 @@ static void printent(struct entry *ent, int sel, uint namecols)
printw("%s%s%s\n", CURSYM(sel), pname, get_file_sym(ent->mode));
}

static void printent_long(struct entry *ent, int sel, uint namecols)
static void printent_long(const struct entry *ent, int sel, uint namecols)
{
static char timebuf[18], permbuf[4], *pname;
char timebuf[18], permbuf[4];

/* Timestamp */
strftime(timebuf, 18, "%F %R", localtime(&ent->t));
@@ -2020,7 +1988,7 @@ static void printent_long(struct entry *ent, int sel, uint namecols)
snprintf(permbuf, 4, "%d%d%d", (ent->mode >> 6) & 7, (ent->mode >> 3) & 7, ent->mode & 7);

/* Trim escape chars from name */
pname = unescape(ent->name, namecols);
const char *pname = unescape(ent->name, namecols);

/* Directories are always shown on top */
resetdircolor(ent->flags);
@@ -2072,11 +2040,11 @@ static void printent_long(struct entry *ent, int sel, uint namecols)
attroff(A_REVERSE);
}

static void (*printptr)(struct entry *ent, int sel, uint namecols) = &printent_long;
static void (*printptr)(const struct entry *ent, int sel, uint namecols) = &printent_long;

static char get_fileind(mode_t mode, char *desc)
static char get_fileind(char *desc, mode_t mode)
{
static char c;
char c;

switch (mode & S_IFMT) {
case S_IFREG:
@@ -2121,12 +2089,12 @@ static char get_fileind(mode_t mode, char *desc)
}

/* Convert a mode field into "ls -l" type perms field. */
static char *get_lsperms(mode_t mode, char *desc)
static char *get_lsperms(char *desc, mode_t mode)
{
static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
static char bits[11] = {'\0'};

bits[0] = get_fileind(mode, desc);
bits[0] = get_fileind(desc, mode);
xstrlcpy(&bits[1], rwx[(mode >> 6) & 7], 4);
xstrlcpy(&bits[4], rwx[(mode >> 3) & 7], 4);
xstrlcpy(&bits[7], rwx[(mode & 7)], 4);
@@ -2147,7 +2115,8 @@ static char *get_lsperms(mode_t mode, char *desc)
*
* If page is valid, returns NULL
*/
static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, bool page)
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];
@@ -2211,7 +2180,7 @@ static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *a
return NULL;
}

static bool getutil(char *util)
static bool getutil(const char *util)
{
if (!get_output(g_buf, CMD_LEN_MAX, "which", util, NULL, FALSE))
return FALSE;
@@ -2221,7 +2190,7 @@ static bool getutil(char *util)

static char *xgetpwuid(uid_t uid)
{
struct passwd *pwd = getpwuid(uid);
const struct passwd *pwd = getpwuid(uid);

if (!pwd)
return utils[UNKNOWN];
@@ -2231,7 +2200,7 @@ static char *xgetpwuid(uid_t uid)

static char *xgetgrgid(gid_t gid)
{
struct group *grp = getgrgid(gid);
const struct group *grp = getgrgid(gid);

if (!grp)
return utils[UNKNOWN];
@@ -2242,10 +2211,10 @@ static char *xgetgrgid(gid_t gid)
/*
* Follows the stat(1) output closely
*/
static bool show_stats(char *fpath, char *fname, struct stat *sb)
static bool show_stats(const char *fpath, const char *fname, const struct stat *sb)
{
char desc[DESCRIPTOR_LEN];
char *perms = get_lsperms(sb->st_mode, desc);
const char *perms = get_lsperms(desc, sb->st_mode);
char *p, *begin = g_buf;

if (g_tmpfpath[0])
@@ -2355,7 +2324,7 @@ static bool show_stats(char *fpath, char *fname, struct stat *sb)

static size_t get_fs_info(const char *path, bool type)
{
static struct statvfs svb;
struct statvfs svb;

if (statvfs(path, &svb) == -1)
return 0;
@@ -2366,7 +2335,7 @@ static size_t get_fs_info(const char *path, bool type)
return svb.f_bavail << ffs(svb.f_frsize >> 1);
}

static bool show_mediainfo(char *fpath, char *arg)
static bool show_mediainfo(const char *fpath, const char *arg)
{
if (!getutil(utils[cfg.metaviewer]))
return FALSE;
@@ -2377,7 +2346,7 @@ static bool show_mediainfo(char *fpath, char *arg)
return TRUE;
}

static bool handle_archive(char *fpath, char *arg, char *dir)
static bool handle_archive(const char *fpath, const char *arg, const char *dir)
{
if (!getutil(utils[ATOOL]))
return FALSE;
@@ -2401,22 +2370,11 @@ static bool handle_archive(char *fpath, char *arg, char *dir)
* the binary size by around a hundred bytes. This would only
* have increased as we keep adding new options.
*/
static bool show_help(char *path)
static bool show_help(const char *path)
{
int i = 0, fd;
char *start, *end;

if (g_tmpfpath[0])
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, messages[STR_TMPFILE],
HOME_LEN_MAX - g_tmpfplen);
else {
printmsg(messages[STR_NOHOME_ID]);
return FALSE;
}

fd = mkstemp(g_tmpfpath);

static char helpstr[] = {
const char *start, *end;
const char helpstr[] = {
"0\n"
"1NAVIGATION\n"
"a↑ k Up PgUp ^U Scroll up\n"
@@ -2450,6 +2408,15 @@ static bool show_help(char *path)
"9R ^V Run/pick script L Lock terminal\n"
"b^P Command prompt ^N Take note\n"};

if (g_tmpfpath[0])
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, messages[STR_TMPFILE],
HOME_LEN_MAX - g_tmpfplen);
else {
printmsg(messages[STR_NOHOME_ID]);
return FALSE;
}

fd = mkstemp(g_tmpfpath);
if (fd == -1)
return FALSE;

@@ -2499,7 +2466,7 @@ static bool show_help(char *path)
}

static int sum_bsizes(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf)
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_blocks && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_blocks;
@@ -2509,7 +2476,7 @@ static int sum_bsizes(const char *fpath, const struct stat *sb,
}

static int sum_sizes(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf)
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_size && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_size;
@@ -2526,18 +2493,15 @@ static void dentfree(struct entry *dents)

static int dentfill(char *path, struct entry **dents)
{
static DIR *dirp;
static struct dirent *dp;
static char *namep, *pnb;
static struct entry *dentp;
static size_t off, namebuflen = NAMEBUF_INCR;
static ulong num_saved;
static int fd, n, count;
static struct stat sb_path, sb;

off = 0;

dirp = opendir(path);
int fd, n, count;
ulong num_saved;
struct dirent *dp;
char *namep, *pnb;
struct entry *dentp;
size_t off = 0, namebuflen = NAMEBUF_INCR;
struct stat sb_path, sb;
DIR *dirp = opendir(path);

if (dirp == NULL)
return 0;

@@ -2705,11 +2669,9 @@ static int dentfill(char *path, struct entry **dents)
*/
static int dentfind(const char *fname, int n)
{
static int i;

DPRINTF_S(fname);

for (i = 0; i < n; ++i)
for (int i = 0; i < n; ++i)
if (xstrcmp(fname, dents[i].name) == 0)
return i;

@@ -2747,12 +2709,9 @@ static void populate(char *path, char *lastname)
static void redraw(char *path)
{
static char buf[NAME_MAX + 65] __attribute__ ((aligned));
static size_t ncols;
static int nlines, i, attrs;
static bool mode_changed;

mode_changed = FALSE;
nlines = MIN(LINES - 4, ndents);
size_t ncols = COLS;
int nlines = MIN(LINES - 4, ndents), i, attrs;
bool mode_changed = FALSE;

/* Clear screen */
erase();
@@ -2786,7 +2745,6 @@ static void redraw(char *path)
return;
}

ncols = COLS;
if (ncols > PATH_MAX)
ncols = PATH_MAX;

@@ -2815,6 +2773,7 @@ static void redraw(char *path)
printw(" ");
}
}

printw("\b] "); /* 10 chars printed in total for contexts - "[1 2 3 4] " */

attron(A_UNDERLINE);
@@ -2849,9 +2808,7 @@ static void redraw(char *path)
for (i = ndents - nlines; i < ndents; ++i)
printptr(&dents[i], i == cur, ncols);
} else {
static int odd;

odd = ISODD(nlines);
const int odd = ISODD(nlines);
nlines >>= 1;
for (i = cur - nlines; i < cur + nlines + odd; ++i)
printptr(&dents[i], i == cur, ncols);
@@ -2865,7 +2822,7 @@ static void redraw(char *path)

if (cfg.showdetail) {
if (ndents) {
static char sort[9];
char sort[9];

if (cfg.mtimeorder)
xstrlcpy(sort, "by time ", 9);
@@ -2909,13 +2866,13 @@ static void browse(char *ipath)
char mark[PATH_MAX] __attribute__ ((aligned));
char rundir[PATH_MAX] __attribute__ ((aligned));
char runfile[NAME_MAX + 1] __attribute__ ((aligned));
char *path, *lastdir, *lastname;
char *dir, *tmp;
static char *scriptpath;
struct stat sb;
int r = -1, fd, presel, ncp = 0, copystartid = 0, copyendid = 0;
enum action sel;
bool dir_changed = FALSE;
struct stat sb;
char *path, *lastdir, *lastname;
char *dir, *tmp;
char *scriptpath = getenv(env_cfg[NNN_SCRIPT]);

/* setup first context */
xstrlcpy(g_ctx[0].c_path, ipath, PATH_MAX); /* current directory */
@@ -3263,7 +3220,7 @@ nochange:
goto begin;
}

if (get_bm_loc(fd, newpath) == NULL) {
if (get_bm_loc(newpath, fd) == NULL) {
printmsg(messages[STR_INVBM_KEY]);
goto nochange;
}
@@ -3853,7 +3810,6 @@ nochange:
spawn(shell, shell_arg, NULL, path, F_NORMAL | F_MARKER);
break;
case SEL_SCRIPT:
scriptpath = scriptpath ? scriptpath : getenv(env_cfg[NNN_SCRIPT]);
if (!scriptpath) {
printmsg("set NNN_SCRIPT");
goto nochange;
@@ -4145,7 +4101,7 @@ int main(int argc, char *argv[])
}

if (ipath) { /* Open a bookmark directly */
if (ipath[1] || get_bm_loc(*ipath, cwd) == NULL) {
if (ipath[1] || get_bm_loc(cwd, *ipath) == NULL) {
fprintf(stderr, "%s\n", messages[STR_INVBM_KEY]);
return 1;
}


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