@@ -53,7 +53,7 @@ bool it_quit(arg_t a) { | |||||
bool it_switch_mode(arg_t a) { | bool it_switch_mode(arg_t a) { | ||||
if (mode == MODE_IMAGE) { | if (mode == MODE_IMAGE) { | ||||
if (!tns.thumbs) | if (tns.thumbs == NULL) | ||||
tns_init(&tns, filecnt, &win); | tns_init(&tns, filecnt, &win); | ||||
img_close(&img, false); | img_close(&img, false); | ||||
reset_timeout(reset_cursor); | reset_timeout(reset_cursor); | ||||
@@ -273,21 +273,19 @@ bool i_zoom(arg_t a) { | |||||
} | } | ||||
bool i_fit_to_win(arg_t a) { | bool i_fit_to_win(arg_t a) { | ||||
bool ret; | bool ret = false; | ||||
if (mode == MODE_IMAGE) { | if (mode == MODE_IMAGE) { | ||||
if ((ret = img_fit_win(&img))) | if ((ret = img_fit_win(&img))) | ||||
img_center(&img); | img_center(&img); | ||||
return ret; | |||||
} else { | |||||
return false; | |||||
} | } | ||||
return ret; | |||||
} | } | ||||
bool i_fit_to_img(arg_t a) { | bool i_fit_to_img(arg_t a) { | ||||
int x, y; | int x, y; | ||||
unsigned int w, h; | unsigned int w, h; | ||||
bool ret; | bool ret = false; | ||||
if (mode == MODE_IMAGE) { | if (mode == MODE_IMAGE) { | ||||
x = MAX(0, win.x + img.x); | x = MAX(0, win.x + img.x); | ||||
@@ -298,10 +296,8 @@ bool i_fit_to_img(arg_t a) { | |||||
img.x = x - win.x; | img.x = x - win.x; | ||||
img.y = y - win.y; | img.y = y - win.y; | ||||
} | } | ||||
return ret; | |||||
} else { | |||||
return false; | |||||
} | } | ||||
return ret; | |||||
} | } | ||||
bool i_rotate(arg_t a) { | bool i_rotate(arg_t a) { | ||||
@@ -381,7 +377,7 @@ bool it_open_with(arg_t a) { | |||||
const char *prog = (const char*) a; | const char *prog = (const char*) a; | ||||
pid_t pid; | pid_t pid; | ||||
if (!prog || !*prog) | if (prog == NULL || *prog == '\0') | ||||
return false; | return false; | ||||
if ((pid = fork()) == 0) { | if ((pid = fork()) == 0) { | ||||
@@ -392,7 +388,6 @@ bool it_open_with(arg_t a) { | |||||
} else if (pid < 0) { | } else if (pid < 0) { | ||||
warn("could not fork. program was: %s", prog); | warn("could not fork. program was: %s", prog); | ||||
} | } | ||||
return false; | return false; | ||||
} | } | ||||
@@ -401,8 +396,8 @@ bool it_shell_cmd(arg_t a) { | |||||
const char *cmdline = (const char*) a; | const char *cmdline = (const char*) a; | ||||
pid_t pid; | pid_t pid; | ||||
if (!cmdline || !*cmdline) | if (cmdline == NULL || *cmdline == '\0') | ||||
return 0; | return false; | ||||
n = mode == MODE_IMAGE ? fileidx : tns.sel; | n = mode == MODE_IMAGE ? fileidx : tns.sel; | ||||
@@ -424,7 +419,7 @@ bool it_shell_cmd(arg_t a) { | |||||
win_set_cursor(&win, CURSOR_WATCH); | win_set_cursor(&win, CURSOR_WATCH); | ||||
waitpid(pid, &status, 0); | waitpid(pid, &status, 0); | ||||
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) | if (WIFEXITED(status) == 0 || WEXITSTATUS(status) != 0) | ||||
warn("child exited with non-zero return value: %d. command line was: %s", | warn("child exited with non-zero return value: %d. command line was: %s", | ||||
WEXITSTATUS(status), cmdline); | WEXITSTATUS(status), cmdline); | ||||
@@ -440,6 +435,5 @@ bool it_shell_cmd(arg_t a) { | |||||
if (tns.sel >= tns.cnt) | if (tns.sel >= tns.cnt) | ||||
tns.sel = tns.cnt - 1; | tns.sel = tns.cnt - 1; | ||||
} | } | ||||
return true; | return true; | ||||
} | } |
@@ -14,10 +14,11 @@ inline int puts_if(const char *s, int c) { | |||||
} | } | ||||
int main(int argc, char **argv) { | int main(int argc, char **argv) { | ||||
int i, n = 0; | int i; | ||||
unsigned int n = 0; | |||||
for (i = 1; i < argc; i++) { | for (i = 1; i < argc; i++) { | ||||
switch (argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) { | switch ((argv[i][0] != '-' || argv[i][2] != '\0') ? -1 : argv[i][1]) { | ||||
case 'D': | case 'D': | ||||
n += PUT_MACRO(EXIF_SUPPORT); | n += PUT_MACRO(EXIF_SUPPORT); | ||||
n += PUT_MACRO(GIF_SUPPORT); | n += PUT_MACRO(GIF_SUPPORT); | ||||
@@ -31,7 +32,7 @@ int main(int argc, char **argv) { | |||||
return 1; | return 1; | ||||
} | } | ||||
} | } | ||||
if (n) | if (n > 0) | ||||
printf("\n"); | printf("\n"); | ||||
return 0; | return 0; | ||||
} | } |
@@ -49,7 +49,7 @@ void img_init(img_t *img, win_t *win) { | |||||
zoom_min = zoom_levels[0] / 100.0; | zoom_min = zoom_levels[0] / 100.0; | ||||
zoom_max = zoom_levels[ARRLEN(zoom_levels) - 1] / 100.0; | zoom_max = zoom_levels[ARRLEN(zoom_levels) - 1] / 100.0; | ||||
if (!img || !win) | if (img == NULL || win == NULL) | ||||
return; | return; | ||||
imlib_context_set_display(win->env.dpy); | imlib_context_set_display(win->env.dpy); | ||||
@@ -77,15 +77,15 @@ void exif_auto_orientate(const fileinfo_t *file) { | |||||
ExifEntry *entry; | ExifEntry *entry; | ||||
int byte_order, orientation; | int byte_order, orientation; | ||||
if (!(ed = exif_data_new_from_file(file->path))) | if ((ed = exif_data_new_from_file(file->path)) == NULL) | ||||
return; | return; | ||||
entry = exif_content_get_entry(ed->ifd[EXIF_IFD_0], EXIF_TAG_ORIENTATION); | entry = exif_content_get_entry(ed->ifd[EXIF_IFD_0], EXIF_TAG_ORIENTATION); | ||||
if (entry) { | if (entry != NULL) { | ||||
byte_order = exif_data_get_byte_order(ed); | byte_order = exif_data_get_byte_order(ed); | ||||
orientation = exif_get_short(entry->data, byte_order); | orientation = exif_get_short(entry->data, byte_order); | ||||
} | } | ||||
exif_data_unref(ed); | exif_data_unref(ed); | ||||
if (!entry) | if (entry == NULL) | ||||
return; | return; | ||||
switch (orientation) { | switch (orientation) { | ||||
@@ -145,7 +145,7 @@ bool img_load_gif(img_t *img, const fileinfo_t *file) { | |||||
img->multi.sel = 0; | img->multi.sel = 0; | ||||
gif = DGifOpenFileName(file->path); | gif = DGifOpenFileName(file->path); | ||||
if (!gif) { | if (gif == NULL) { | ||||
warn("could not open gif file: %s", file->name); | warn("could not open gif file: %s", file->name); | ||||
return false; | return false; | ||||
} | } | ||||
@@ -215,7 +215,7 @@ bool img_load_gif(img_t *img, const fileinfo_t *file) { | |||||
if (i < y || i >= y + h || j < x || j >= x + w || | if (i < y || i >= y + h || j < x || j >= x + w || | ||||
rows[i-y][j-x] == transp) | rows[i-y][j-x] == transp) | ||||
{ | { | ||||
if (prev_frame) | if (prev_frame != NULL) | ||||
*ptr = prev_frame[i * sw + j]; | *ptr = prev_frame[i * sw + j]; | ||||
else | else | ||||
*ptr = bgpixel; | *ptr = bgpixel; | ||||
@@ -236,7 +236,7 @@ bool img_load_gif(img_t *img, const fileinfo_t *file) { | |||||
free(rows); | free(rows); | ||||
free(data); | free(data); | ||||
if (!im) { | if (im == NULL) { | ||||
err = true; | err = true; | ||||
break; | break; | ||||
} | } | ||||
@@ -286,10 +286,12 @@ bool img_load_gif(img_t *img, const fileinfo_t *file) { | |||||
bool img_load(img_t *img, const fileinfo_t *file) { | bool img_load(img_t *img, const fileinfo_t *file) { | ||||
const char *fmt; | const char *fmt; | ||||
if (!img || !file || !file->name || !file->path) | if (img == NULL || file == NULL || file->name == NULL || file->path == NULL) | ||||
return false; | return false; | ||||
if (access(file->path, R_OK) || !(img->im = imlib_load_image(file->path))) { | if (access(file->path, R_OK) < 0 || | ||||
(img->im = imlib_load_image(file->path)) == NULL) | |||||
{ | |||||
warn("could not open image: %s", file->name); | warn("could not open image: %s", file->name); | ||||
return false; | return false; | ||||
} | } | ||||
@@ -324,17 +326,17 @@ bool img_load(img_t *img, const fileinfo_t *file) { | |||||
void img_close(img_t *img, bool decache) { | void img_close(img_t *img, bool decache) { | ||||
int i; | int i; | ||||
if (!img) | if (img == NULL) | ||||
return; | return; | ||||
if (img->multi.cnt) { | if (img->multi.cnt > 0) { | ||||
for (i = 0; i < img->multi.cnt; i++) { | for (i = 0; i < img->multi.cnt; i++) { | ||||
imlib_context_set_image(img->multi.frames[i].im); | imlib_context_set_image(img->multi.frames[i].im); | ||||
imlib_free_image(); | imlib_free_image(); | ||||
} | } | ||||
img->multi.cnt = 0; | img->multi.cnt = 0; | ||||
img->im = NULL; | img->im = NULL; | ||||
} else if (img->im) { | } else if (img->im != NULL) { | ||||
imlib_context_set_image(img->im); | imlib_context_set_image(img->im); | ||||
if (decache) | if (decache) | ||||
imlib_free_image_and_decache(); | imlib_free_image_and_decache(); | ||||
@@ -348,7 +350,7 @@ void img_check_pan(img_t *img, bool moved) { | |||||
win_t *win; | win_t *win; | ||||
int ox, oy; | int ox, oy; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return; | return; | ||||
win = img->win; | win = img->win; | ||||
@@ -379,7 +381,7 @@ void img_check_pan(img_t *img, bool moved) { | |||||
bool img_fit(img_t *img) { | bool img_fit(img_t *img) { | ||||
float z, zmax, zw, zh; | float z, zmax, zw, zh; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return false; | return false; | ||||
if (img->scalemode == SCALE_ZOOM) | if (img->scalemode == SCALE_ZOOM) | ||||
return false; | return false; | ||||
@@ -406,7 +408,7 @@ void img_render(img_t *img) { | |||||
int sx, sy, sw, sh; | int sx, sy, sw, sh; | ||||
int dx, dy, dw, dh; | int dx, dy, dw, dh; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return; | return; | ||||
win = img->win; | win = img->win; | ||||
@@ -461,7 +463,7 @@ void img_render(img_t *img) { | |||||
imlib_context_set_image(img->im); | imlib_context_set_image(img->im); | ||||
if (imlib_image_has_alpha() && !img->alpha) | if (!img->alpha && imlib_image_has_alpha()) | ||||
win_draw_rect(win, win->pm, dx, dy, dw, dh, True, 0, win->white); | win_draw_rect(win, win->pm, dx, dy, dw, dh, True, 0, win->white); | ||||
imlib_context_set_drawable(win->pm); | imlib_context_set_drawable(win->pm); | ||||
@@ -473,7 +475,7 @@ void img_render(img_t *img) { | |||||
} | } | ||||
bool img_fit_win(img_t *img) { | bool img_fit_win(img_t *img) { | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return false; | return false; | ||||
img->scalemode = SCALE_FIT; | img->scalemode = SCALE_FIT; | ||||
@@ -483,7 +485,7 @@ bool img_fit_win(img_t *img) { | |||||
bool img_center(img_t *img) { | bool img_center(img_t *img) { | ||||
int ox, oy; | int ox, oy; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return false; | return false; | ||||
ox = img->x; | ox = img->x; | ||||
@@ -501,7 +503,7 @@ bool img_center(img_t *img) { | |||||
} | } | ||||
bool img_zoom(img_t *img, float z) { | bool img_zoom(img_t *img, float z) { | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return false; | return false; | ||||
z = MAX(z, zoom_min); | z = MAX(z, zoom_min); | ||||
@@ -524,7 +526,7 @@ bool img_zoom(img_t *img, float z) { | |||||
bool img_zoom_in(img_t *img) { | bool img_zoom_in(img_t *img) { | ||||
int i; | int i; | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return false; | return false; | ||||
for (i = 1; i < ARRLEN(zoom_levels); i++) { | for (i = 1; i < ARRLEN(zoom_levels); i++) { | ||||
@@ -537,7 +539,7 @@ bool img_zoom_in(img_t *img) { | |||||
bool img_zoom_out(img_t *img) { | bool img_zoom_out(img_t *img) { | ||||
int i; | int i; | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return false; | return false; | ||||
for (i = ARRLEN(zoom_levels) - 2; i >= 0; i--) { | for (i = ARRLEN(zoom_levels) - 2; i >= 0; i--) { | ||||
@@ -550,7 +552,7 @@ bool img_zoom_out(img_t *img) { | |||||
bool img_move(img_t *img, int dx, int dy) { | bool img_move(img_t *img, int dx, int dy) { | ||||
int ox, oy; | int ox, oy; | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return false; | return false; | ||||
ox = img->x; | ox = img->x; | ||||
@@ -570,7 +572,7 @@ bool img_move(img_t *img, int dx, int dy) { | |||||
} | } | ||||
bool img_pan(img_t *img, direction_t dir, bool screen) { | bool img_pan(img_t *img, direction_t dir, bool screen) { | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return false; | return false; | ||||
switch (dir) { | switch (dir) { | ||||
@@ -589,7 +591,7 @@ bool img_pan(img_t *img, direction_t dir, bool screen) { | |||||
bool img_pan_edge(img_t *img, direction_t dir) { | bool img_pan_edge(img_t *img, direction_t dir) { | ||||
int ox, oy; | int ox, oy; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return false; | return false; | ||||
ox = img->x; | ox = img->x; | ||||
@@ -624,7 +626,7 @@ void img_rotate(img_t *img, int d) { | |||||
win_t *win; | win_t *win; | ||||
int ox, oy, tmp; | int ox, oy, tmp; | ||||
if (!img || !img->im || !img->win) | if (img == NULL || img->im == NULL || img->win == NULL) | ||||
return; | return; | ||||
win = img->win; | win = img->win; | ||||
@@ -654,7 +656,7 @@ void img_rotate_right(img_t *img) { | |||||
} | } | ||||
void img_toggle_antialias(img_t *img) { | void img_toggle_antialias(img_t *img) { | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return; | return; | ||||
img->aa = !img->aa; | img->aa = !img->aa; | ||||
@@ -664,7 +666,7 @@ void img_toggle_antialias(img_t *img) { | |||||
} | } | ||||
bool img_frame_goto(img_t *img, int n) { | bool img_frame_goto(img_t *img, int n) { | ||||
if (!img || !img->im) | if (img == NULL || img->im == NULL) | ||||
return false; | return false; | ||||
if (n < 0 || n >= img->multi.cnt || n == img->multi.sel) | if (n < 0 || n >= img->multi.cnt || n == img->multi.sel) | ||||
return false; | return false; | ||||
@@ -682,7 +684,7 @@ bool img_frame_goto(img_t *img, int n) { | |||||
} | } | ||||
bool img_frame_navigate(img_t *img, int d) { | bool img_frame_navigate(img_t *img, int d) { | ||||
if (!img || !img->im || !img->multi.cnt || !d) | if (img == NULL|| img->im == NULL || img->multi.cnt == 0 || d == 0) | ||||
return false; | return false; | ||||
d += img->multi.sel; | d += img->multi.sel; | ||||
@@ -695,7 +697,7 @@ bool img_frame_navigate(img_t *img, int d) { | |||||
} | } | ||||
bool img_frame_animate(img_t *img, bool restart) { | bool img_frame_animate(img_t *img, bool restart) { | ||||
if (!img || !img->im || !img->multi.cnt) | if (img == NULL || img->im == NULL || img->multi.cnt == 0) | ||||
return false; | return false; | ||||
if (img->multi.sel + 1 >= img->multi.cnt) { | if (img->multi.sel + 1 >= img->multi.cnt) { | ||||
@@ -73,9 +73,10 @@ timeout_t timeouts[] = { | |||||
}; | }; | ||||
void cleanup() { | void cleanup() { | ||||
static int in = 0; | static bool in = false; | ||||
if (!in++) { | if (!in) { | ||||
in = true; | |||||
img_close(&img, false); | img_close(&img, false); | ||||
tns_free(&tns); | tns_free(&tns); | ||||
win_close(&win); | win_close(&win); | ||||
@@ -83,10 +84,10 @@ void cleanup() { | |||||
} | } | ||||
void check_add_file(char *filename) { | void check_add_file(char *filename) { | ||||
if (!filename || !*filename) | if (filename == NULL || *filename == '\0') | ||||
return; | return; | ||||
if (access(filename, R_OK)) { | if (access(filename, R_OK) < 0) { | ||||
warn("could not open file: %s", filename); | warn("could not open file: %s", filename); | ||||
return; | return; | ||||
} | } | ||||
@@ -97,7 +98,7 @@ void check_add_file(char *filename) { | |||||
} | } | ||||
if (*filename != '/') { | if (*filename != '/') { | ||||
files[fileidx].path = absolute_path(filename); | files[fileidx].path = absolute_path(filename); | ||||
if (!files[fileidx].path) { | if (files[fileidx].path == NULL) { | ||||
warn("could not get absolute path of file: %s\n", filename); | warn("could not get absolute path of file: %s\n", filename); | ||||
return; | return; | ||||
} | } | ||||
@@ -173,7 +174,7 @@ bool check_timeouts(struct timeval *t) { | |||||
tdiff = tv_diff(&timeouts[i].when, &now); | tdiff = tv_diff(&timeouts[i].when, &now); | ||||
if (tdiff <= 0) { | if (tdiff <= 0) { | ||||
timeouts[i].active = false; | timeouts[i].active = false; | ||||
if (timeouts[i].handler) | if (timeouts[i].handler != NULL) | ||||
timeouts[i].handler(); | timeouts[i].handler(); | ||||
i = tmin = -1; | i = tmin = -1; | ||||
} else if (tmin < 0 || tdiff < tmin) { | } else if (tmin < 0 || tdiff < tmin) { | ||||
@@ -182,7 +183,7 @@ bool check_timeouts(struct timeval *t) { | |||||
} | } | ||||
i++; | i++; | ||||
} | } | ||||
if (tmin > 0 && t) | if (tmin > 0 && t != NULL) | ||||
tv_set_msec(t, tmin); | tv_set_msec(t, tmin); | ||||
return tmin > 0; | return tmin > 0; | ||||
} | } | ||||
@@ -204,12 +205,12 @@ void load_image(int new) { | |||||
files[new].loaded = true; | files[new].loaded = true; | ||||
fileidx = new; | fileidx = new; | ||||
if (!stat(files[new].path, &fstats)) | if (stat(files[new].path, &fstats) == 0) | ||||
filesize = fstats.st_size; | filesize = fstats.st_size; | ||||
else | else | ||||
filesize = 0; | filesize = 0; | ||||
if (img.multi.cnt && img.multi.animate) | if (img.multi.cnt > 0 && img.multi.animate) | ||||
set_timeout(animate, img.multi.frames[img.multi.sel].delay, true); | set_timeout(animate, img.multi.frames[img.multi.sel].delay, true); | ||||
else | else | ||||
reset_timeout(animate); | reset_timeout(animate); | ||||
@@ -238,7 +239,7 @@ void update_title() { | |||||
} else { | } else { | ||||
sshow_info[0] = '\0'; | sshow_info[0] = '\0'; | ||||
} | } | ||||
if (img.multi.cnt) | if (img.multi.cnt > 0) | ||||
snprintf(frame_info, sizeof(frame_info), "{%d/%d} ", | snprintf(frame_info, sizeof(frame_info), "{%d/%d} ", | ||||
img.multi.sel + 1, img.multi.cnt); | img.multi.sel + 1, img.multi.cnt); | ||||
else | else | ||||
@@ -329,14 +330,14 @@ void on_keypress(XKeyEvent *kev) { | |||||
KeySym ksym; | KeySym ksym; | ||||
char key; | char key; | ||||
if (!kev) | if (kev == NULL) | ||||
return; | return; | ||||
XLookupString(kev, &key, 1, &ksym, NULL); | XLookupString(kev, &key, 1, &ksym, NULL); | ||||
for (i = 0; i < ARRLEN(keys); i++) { | for (i = 0; i < ARRLEN(keys); i++) { | ||||
if (keys[i].ksym == ksym && keymask(&keys[i], kev->state)) { | if (keys[i].ksym == ksym && keymask(&keys[i], kev->state)) { | ||||
if (keys[i].cmd && keys[i].cmd(keys[i].arg)) | if (keys[i].cmd != NULL && keys[i].cmd(keys[i].arg)) | ||||
redraw(); | redraw(); | ||||
return; | return; | ||||
} | } | ||||
@@ -346,7 +347,7 @@ void on_keypress(XKeyEvent *kev) { | |||||
void on_buttonpress(XButtonEvent *bev) { | void on_buttonpress(XButtonEvent *bev) { | ||||
int i, sel; | int i, sel; | ||||
if (!bev) | if (bev == NULL) | ||||
return; | return; | ||||
if (mode == MODE_IMAGE) { | if (mode == MODE_IMAGE) { | ||||
@@ -357,7 +358,7 @@ void on_buttonpress(XButtonEvent *bev) { | |||||
if (buttons[i].button == bev->button && | if (buttons[i].button == bev->button && | ||||
buttonmask(&buttons[i], bev->state)) | buttonmask(&buttons[i], bev->state)) | ||||
{ | { | ||||
if (buttons[i].cmd && buttons[i].cmd(buttons[i].arg)) | if (buttons[i].cmd != NULL && buttons[i].cmd(buttons[i].arg)) | ||||
redraw(); | redraw(); | ||||
return; | return; | ||||
} | } | ||||
@@ -397,9 +398,9 @@ void run() { | |||||
redraw(); | redraw(); | ||||
while (1) { | while (true) { | ||||
while (mode == MODE_THUMB && tns.cnt < filecnt && | while (mode == MODE_THUMB && tns.cnt < filecnt && | ||||
!XPending(win.env.dpy)) | XPending(win.env.dpy) == 0) | ||||
{ | { | ||||
/* load thumbnails */ | /* load thumbnails */ | ||||
set_timeout(redraw, TO_REDRAW_THUMBS, false); | set_timeout(redraw, TO_REDRAW_THUMBS, false); | ||||
@@ -413,7 +414,7 @@ void run() { | |||||
check_timeouts(NULL); | check_timeouts(NULL); | ||||
} | } | ||||
while (!XPending(win.env.dpy) && check_timeouts(&timeout)) { | while (XPending(win.env.dpy) == 0 && check_timeouts(&timeout)) { | ||||
/* wait for timeouts */ | /* wait for timeouts */ | ||||
xfd = ConnectionNumber(win.env.dpy); | xfd = ConnectionNumber(win.env.dpy); | ||||
FD_ZERO(&fds); | FD_ZERO(&fds); | ||||
@@ -421,35 +422,34 @@ void run() { | |||||
select(xfd + 1, &fds, 0, 0, &timeout); | select(xfd + 1, &fds, 0, 0, &timeout); | ||||
} | } | ||||
if (!XNextEvent(win.env.dpy, &ev)) { | XNextEvent(win.env.dpy, &ev); | ||||
switch (ev.type) { | |||||
/* handle events */ | /* handle events */ | ||||
switch (ev.type) { | case ButtonPress: | ||||
case ButtonPress: | on_buttonpress(&ev.xbutton); | ||||
on_buttonpress(&ev.xbutton); | break; | ||||
break; | case ClientMessage: | ||||
case ClientMessage: | if ((Atom) ev.xclient.data.l[0] == wm_delete_win) | ||||
if ((Atom) ev.xclient.data.l[0] == wm_delete_win) | return; | ||||
return; | break; | ||||
break; | case ConfigureNotify: | ||||
case ConfigureNotify: | if (win_configure(&win, &ev.xconfigure)) { | ||||
if (win_configure(&win, &ev.xconfigure)) { | set_timeout(redraw, TO_REDRAW_RESIZE, false); | ||||
set_timeout(redraw, TO_REDRAW_RESIZE, false); | if (mode == MODE_IMAGE) | ||||
if (mode == MODE_IMAGE) | img.checkpan = true; | ||||
img.checkpan = true; | else | ||||
else | tns.dirty = true; | ||||
tns.dirty = true; | } | ||||
} | break; | ||||
break; | case KeyPress: | ||||
case KeyPress: | on_keypress(&ev.xkey); | ||||
on_keypress(&ev.xkey); | break; | ||||
break; | case MotionNotify: | ||||
case MotionNotify: | if (mode == MODE_IMAGE) { | ||||
if (mode == MODE_IMAGE) { | win_set_cursor(&win, CURSOR_ARROW); | ||||
win_set_cursor(&win, CURSOR_ARROW); | set_timeout(reset_cursor, TO_CURSOR_HIDE, true); | ||||
set_timeout(reset_cursor, TO_CURSOR_HIDE, true); | } | ||||
} | break; | ||||
break; | |||||
} | |||||
} | } | ||||
} | } | ||||
} | } | ||||
@@ -474,7 +474,7 @@ int main(int argc, char **argv) { | |||||
exit(EXIT_SUCCESS); | exit(EXIT_SUCCESS); | ||||
} | } | ||||
if (!options->filecnt) { | if (options->filecnt == 0) { | ||||
print_usage(); | print_usage(); | ||||
exit(EXIT_FAILURE); | exit(EXIT_FAILURE); | ||||
} | } | ||||
@@ -495,25 +495,29 @@ int main(int argc, char **argv) { | |||||
filename[len-1] = '\0'; | filename[len-1] = '\0'; | ||||
check_add_file(filename); | check_add_file(filename); | ||||
} | } | ||||
if (filename) | if (filename != NULL) | ||||
free(filename); | free(filename); | ||||
} else { | } else { | ||||
for (i = 0; i < options->filecnt; i++) { | for (i = 0; i < options->filecnt; i++) { | ||||
filename = options->filenames[i]; | filename = options->filenames[i]; | ||||
if (stat(filename, &fstats) || !S_ISDIR(fstats.st_mode)) { | if (stat(filename, &fstats) < 0) { | ||||
warn("could not stat file: %s", filename); | |||||
continue; | |||||
} | |||||
if (!S_ISDIR(fstats.st_mode)) { | |||||
check_add_file(filename); | check_add_file(filename); | ||||
} else { | } else { | ||||
if (!options->recursive) { | if (!options->recursive) { | ||||
warn("ignoring directory: %s", filename); | warn("ignoring directory: %s", filename); | ||||
continue; | continue; | ||||
} | } | ||||
if (r_opendir(&dir, filename)) { | if (r_opendir(&dir, filename) < 0) { | ||||
warn("could not open directory: %s", filename); | warn("could not open directory: %s", filename); | ||||
continue; | continue; | ||||
} | } | ||||
start = fileidx; | start = fileidx; | ||||
while ((filename = r_readdir(&dir))) { | while ((filename = r_readdir(&dir)) != NULL) { | ||||
check_add_file(filename); | check_add_file(filename); | ||||
free((void*) filename); | free((void*) filename); | ||||
} | } | ||||
@@ -524,7 +528,7 @@ int main(int argc, char **argv) { | |||||
} | } | ||||
} | } | ||||
if (!fileidx) { | if (fileidx == 0) { | ||||
fprintf(stderr, "sxiv: no valid image file given, aborting\n"); | fprintf(stderr, "sxiv: no valid image file given, aborting\n"); | ||||
exit(EXIT_FAILURE); | exit(EXIT_FAILURE); | ||||
} | } | ||||
@@ -548,7 +552,7 @@ int main(int argc, char **argv) { | |||||
} | } | ||||
win_open(&win); | win_open(&win); | ||||
run(); | run(); | ||||
cleanup(); | cleanup(); | ||||
@@ -95,7 +95,7 @@ void parse_options(int argc, char **argv) { | |||||
print_usage(); | print_usage(); | ||||
exit(EXIT_SUCCESS); | exit(EXIT_SUCCESS); | ||||
case 'n': | case 'n': | ||||
if (!sscanf(optarg, "%d", &t) || t < 1) { | if (sscanf(optarg, "%d", &t) <= 0 || t < 1) { | ||||
fprintf(stderr, "sxiv: invalid argument for option -n: %s\n", | fprintf(stderr, "sxiv: invalid argument for option -n: %s\n", | ||||
optarg); | optarg); | ||||
exit(EXIT_FAILURE); | exit(EXIT_FAILURE); | ||||
@@ -127,7 +127,7 @@ void parse_options(int argc, char **argv) { | |||||
break; | break; | ||||
case 'z': | case 'z': | ||||
_options.scalemode = SCALE_ZOOM; | _options.scalemode = SCALE_ZOOM; | ||||
if (!sscanf(optarg, "%d", &t) || t <= 0) { | if (sscanf(optarg, "%d", &t) <= 0 || t <= 0) { | ||||
fprintf(stderr, "sxiv: invalid argument for option -z: %s\n", | fprintf(stderr, "sxiv: invalid argument for option -z: %s\n", | ||||
optarg); | optarg); | ||||
exit(EXIT_FAILURE); | exit(EXIT_FAILURE); | ||||
@@ -41,23 +41,23 @@ char *cache_dir = NULL; | |||||
bool tns_cache_enabled() { | bool tns_cache_enabled() { | ||||
struct stat stats; | struct stat stats; | ||||
return cache_dir && !stat(cache_dir, &stats) && S_ISDIR(stats.st_mode) && | return cache_dir != NULL && stat(cache_dir, &stats) == 0 && | ||||
!access(cache_dir, W_OK); | S_ISDIR(stats.st_mode) && access(cache_dir, W_OK) == 0; | ||||
} | } | ||||
char* tns_cache_filepath(const char *filepath) { | char* tns_cache_filepath(const char *filepath) { | ||||
size_t len; | size_t len; | ||||
char *cfile = NULL; | char *cfile = NULL; | ||||
if (!cache_dir || !filepath || *filepath != '/') | if (cache_dir == NULL || filepath == NULL || *filepath != '/') | ||||
return NULL; | return NULL; | ||||
if (strncmp(filepath, cache_dir, strlen(cache_dir))) { | if (strncmp(filepath, cache_dir, strlen(cache_dir)) != 0) { | ||||
/* don't cache images inside the cache directory! */ | |||||
len = strlen(cache_dir) + strlen(filepath) + 6; | len = strlen(cache_dir) + strlen(filepath) + 6; | ||||
cfile = (char*) s_malloc(len); | cfile = (char*) s_malloc(len); | ||||
snprintf(cfile, len, "%s/%s.png", cache_dir, filepath + 1); | snprintf(cfile, len, "%s/%s.png", cache_dir, filepath + 1); | ||||
} | } | ||||
return cfile; | return cfile; | ||||
} | } | ||||
@@ -66,18 +66,16 @@ Imlib_Image* tns_cache_load(const char *filepath) { | |||||
struct stat cstats, fstats; | struct stat cstats, fstats; | ||||
Imlib_Image *im = NULL; | Imlib_Image *im = NULL; | ||||
if (!filepath) | if (filepath == NULL) | ||||
return NULL; | return NULL; | ||||
if (stat(filepath, &fstats) < 0) | |||||
if (stat(filepath, &fstats)) | |||||
return NULL; | return NULL; | ||||
if ((cfile = tns_cache_filepath(filepath))) { | if ((cfile = tns_cache_filepath(filepath)) != NULL) { | ||||
if (!stat(cfile, &cstats) && cstats.st_mtime == fstats.st_mtime) | if (stat(cfile, &cstats) == 0 && cstats.st_mtime == fstats.st_mtime) | ||||
im = imlib_load_image(cfile); | im = imlib_load_image(cfile); | ||||
free(cfile); | free(cfile); | ||||
} | } | ||||
return im; | return im; | ||||
} | } | ||||
@@ -87,32 +85,35 @@ void tns_cache_write(thumb_t *t, bool force) { | |||||
struct utimbuf times; | struct utimbuf times; | ||||
Imlib_Load_Error err = 0; | Imlib_Load_Error err = 0; | ||||
if (!t || !t->im || !t->file || !t->file->name || !t->file->path) | if (t == NULL || t->im == NULL) | ||||
return; | return; | ||||
if (t->file == NULL || t->file->name == NULL || t->file->path == NULL) | |||||
if (stat(t->file->path, &fstats)) | return; | ||||
if (stat(t->file->path, &fstats) < 0) | |||||
return; | return; | ||||
if ((cfile = tns_cache_filepath(t->file->path))) { | if ((cfile = tns_cache_filepath(t->file->path)) != NULL) { | ||||
if (force || stat(cfile, &cstats) || cstats.st_mtime != fstats.st_mtime) { | if (force || stat(cfile, &cstats) < 0 || | ||||
if ((dirend = strrchr(cfile, '/'))) { | cstats.st_mtime != fstats.st_mtime) | ||||
{ | |||||
if ((dirend = strrchr(cfile, '/')) != NULL) { | |||||
*dirend = '\0'; | *dirend = '\0'; | ||||
err = r_mkdir(cfile); | err = r_mkdir(cfile); | ||||
*dirend = '/'; | *dirend = '/'; | ||||
} | } | ||||
if (!err) { | if (err == 0) { | ||||
imlib_context_set_image(t->im); | imlib_context_set_image(t->im); | ||||
imlib_image_set_format("png"); | imlib_image_set_format("png"); | ||||
imlib_save_image_with_error_return(cfile, &err); | imlib_save_image_with_error_return(cfile, &err); | ||||
} | } | ||||
if (err) { | if (err == 0) { | ||||
warn("could not cache thumbnail: %s", t->file->name); | |||||
} else { | |||||
times.actime = fstats.st_atime; | times.actime = fstats.st_atime; | ||||
times.modtime = fstats.st_mtime; | times.modtime = fstats.st_mtime; | ||||
utime(cfile, ×); | utime(cfile, ×); | ||||
} else { | |||||
warn("could not cache thumbnail: %s", t->file->name); | |||||
} | } | ||||
} | } | ||||
free(cfile); | free(cfile); | ||||
@@ -125,33 +126,32 @@ void tns_clean_cache(tns_t *tns) { | |||||
char *cfile, *filename, *tpos; | char *cfile, *filename, *tpos; | ||||
r_dir_t dir; | r_dir_t dir; | ||||
if (!cache_dir) | if (cache_dir == NULL) | ||||
return; | return; | ||||
if (r_opendir(&dir, cache_dir)) { | if (r_opendir(&dir, cache_dir) < 0) { | ||||
warn("could not open thumbnail cache directory: %s", cache_dir); | warn("could not open thumbnail cache directory: %s", cache_dir); | ||||
return; | return; | ||||
} | } | ||||
dirlen = strlen(cache_dir); | dirlen = strlen(cache_dir); | ||||
while ((cfile = r_readdir(&dir))) { | while ((cfile = r_readdir(&dir)) != NULL) { | ||||
filename = cfile + dirlen; | filename = cfile + dirlen; | ||||
delete = false; | delete = false; | ||||
if ((tpos = strrchr(filename, '.'))) { | if ((tpos = strrchr(filename, '.')) != NULL) { | ||||
*tpos = '\0'; | *tpos = '\0'; | ||||
if (access(filename, F_OK)) | if (access(filename, F_OK) < 0) | ||||
delete = true; | delete = true; | ||||
*tpos = '.'; | *tpos = '.'; | ||||
} | } | ||||
if (delete) { | |||||
if (delete && unlink(cfile)) | if (unlink(cfile) < 0) | ||||
warn("could not delete cache file: %s", cfile); | warn("could not delete cache file: %s", cfile); | ||||
} | |||||
free(cfile); | free(cfile); | ||||
} | } | ||||
r_closedir(&dir); | r_closedir(&dir); | ||||
} | } | ||||
@@ -160,10 +160,10 @@ void tns_init(tns_t *tns, int cnt, win_t *win) { | |||||
int len; | int len; | ||||
char *homedir; | char *homedir; | ||||
if (!tns) | if (tns == NULL) | ||||
return; | return; | ||||
if (cnt) { | if (cnt > 0) { | ||||
tns->thumbs = (thumb_t*) s_malloc(cnt * sizeof(thumb_t)); | tns->thumbs = (thumb_t*) s_malloc(cnt * sizeof(thumb_t)); | ||||
memset(tns->thumbs, 0, cnt * sizeof(thumb_t)); | memset(tns->thumbs, 0, cnt * sizeof(thumb_t)); | ||||
} else { | } else { | ||||
@@ -176,8 +176,8 @@ void tns_init(tns_t *tns, int cnt, win_t *win) { | |||||
tns->alpha = true; | tns->alpha = true; | ||||
tns->dirty = false; | tns->dirty = false; | ||||
if ((homedir = getenv("HOME"))) { | if ((homedir = getenv("HOME")) != NULL) { | ||||
if (cache_dir) | if (cache_dir != NULL) | ||||
free(cache_dir); | free(cache_dir); | ||||
len = strlen(homedir) + 10; | len = strlen(homedir) + 10; | ||||
cache_dir = (char*) s_malloc(len * sizeof(char)); | cache_dir = (char*) s_malloc(len * sizeof(char)); | ||||
@@ -190,12 +190,12 @@ void tns_init(tns_t *tns, int cnt, win_t *win) { | |||||
void tns_free(tns_t *tns) { | void tns_free(tns_t *tns) { | ||||
int i; | int i; | ||||
if (!tns) | if (tns != NULL) | ||||
return; | return; | ||||
if (tns->thumbs) { | if (tns->thumbs != NULL) { | ||||
for (i = 0; i < tns->cnt; i++) { | for (i = 0; i < tns->cnt; i++) { | ||||
if (tns->thumbs[i].im) { | if (tns->thumbs[i].im != NULL) { | ||||
imlib_context_set_image(tns->thumbs[i].im); | imlib_context_set_image(tns->thumbs[i].im); | ||||
imlib_free_image(); | imlib_free_image(); | ||||
} | } | ||||
@@ -204,7 +204,7 @@ void tns_free(tns_t *tns) { | |||||
tns->thumbs = NULL; | tns->thumbs = NULL; | ||||
} | } | ||||
if (cache_dir) { | if (cache_dir != NULL) { | ||||
free(cache_dir); | free(cache_dir); | ||||
cache_dir = NULL; | cache_dir = NULL; | ||||
} | } | ||||
@@ -220,31 +220,34 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file, | |||||
Imlib_Image *im; | Imlib_Image *im; | ||||
const char *fmt; | const char *fmt; | ||||
if (!tns || !tns->thumbs || !file || !file->name || !file->path) | if (tns == NULL || tns->thumbs == NULL) | ||||
return false; | |||||
if (file == NULL || file->name == NULL || file->path == NULL) | |||||
return false; | return false; | ||||
if (n < 0 || n >= tns->cap) | if (n < 0 || n >= tns->cap) | ||||
return false; | return false; | ||||
t = &tns->thumbs[n]; | t = &tns->thumbs[n]; | ||||
t->file = file; | t->file = file; | ||||
if (t->im) { | if (t->im != NULL) { | ||||
imlib_context_set_image(t->im); | imlib_context_set_image(t->im); | ||||
imlib_free_image(); | imlib_free_image(); | ||||
} | } | ||||
if ((use_cache = tns_cache_enabled())) { | if ((use_cache = tns_cache_enabled())) { | ||||
if (!force && (im = tns_cache_load(file->path))) | if (!force && (im = tns_cache_load(file->path)) != NULL) | ||||
cache_hit = true; | cache_hit = true; | ||||
} | } | ||||
if (!cache_hit && | if (!cache_hit) { | ||||
(access(file->path, R_OK) || !(im = imlib_load_image(file->path)))) | if (access(file->path, R_OK) < 0 || | ||||
{ | (im = imlib_load_image(file->path)) == NULL) | ||||
if (!silent) | { | ||||
warn("could not open image: %s", file->name); | if (!silent) | ||||
return false; | warn("could not open image: %s", file->name); | ||||
return false; | |||||
} | |||||
} | } | ||||
imlib_context_set_image(im); | imlib_context_set_image(im); | ||||
@@ -267,7 +270,8 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file, | |||||
t->w = z * w; | t->w = z * w; | ||||
t->h = z * h; | t->h = z * h; | ||||
if (!(t->im = imlib_create_cropped_scaled_image(0, 0, w, h, t->w, t->h))) | t->im = imlib_create_cropped_scaled_image(0, 0, w, h, t->w, t->h); | ||||
if (t->im == NULL) | |||||
die("could not allocate memory"); | die("could not allocate memory"); | ||||
imlib_free_image_and_decache(); | imlib_free_image_and_decache(); | ||||
@@ -282,7 +286,7 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file, | |||||
void tns_check_view(tns_t *tns, bool scrolled) { | void tns_check_view(tns_t *tns, bool scrolled) { | ||||
int r; | int r; | ||||
if (!tns) | if (tns == NULL) | ||||
return; | return; | ||||
tns->first -= tns->first % tns->cols; | tns->first -= tns->first % tns->cols; | ||||
@@ -311,7 +315,7 @@ void tns_render(tns_t *tns) { | |||||
win_t *win; | win_t *win; | ||||
int i, cnt, r, x, y; | int i, cnt, r, x, y; | ||||
if (!tns || !tns->thumbs || !tns->win) | if (tns == NULL || tns->thumbs == NULL || tns->win == NULL) | ||||
return; | return; | ||||
if (!tns->dirty) | if (!tns->dirty) | ||||
return; | return; | ||||
@@ -345,7 +349,7 @@ void tns_render(tns_t *tns) { | |||||
t->y = y + (THUMB_SIZE - t->h) / 2; | t->y = y + (THUMB_SIZE - t->h) / 2; | ||||
imlib_context_set_image(t->im); | imlib_context_set_image(t->im); | ||||
if (imlib_image_has_alpha() && !tns->alpha) | if (!tns->alpha && imlib_image_has_alpha()) | ||||
win_draw_rect(win, win->pm, t->x, t->y, t->w, t->h, true, 0, win->white); | win_draw_rect(win, win->pm, t->x, t->y, t->w, t->h, true, 0, win->white); | ||||
imlib_render_image_part_on_drawable_at_size(0, 0, t->w, t->h, | imlib_render_image_part_on_drawable_at_size(0, 0, t->w, t->h, | ||||
@@ -357,7 +361,6 @@ void tns_render(tns_t *tns) { | |||||
x += thumb_dim; | x += thumb_dim; | ||||
} | } | ||||
} | } | ||||
tns->dirty = false; | tns->dirty = false; | ||||
tns_highlight(tns, tns->sel, true); | tns_highlight(tns, tns->sel, true); | ||||
} | } | ||||
@@ -368,7 +371,7 @@ void tns_highlight(tns_t *tns, int n, bool hl) { | |||||
int x, y; | int x, y; | ||||
unsigned long col; | unsigned long col; | ||||
if (!tns || !tns->thumbs || !tns->win) | if (tns == NULL || tns->thumbs == NULL || tns->win == NULL) | ||||
return; | return; | ||||
win = tns->win; | win = tns->win; | ||||
@@ -388,14 +391,13 @@ void tns_highlight(tns_t *tns, int n, bool hl) { | |||||
win_draw_rect(win, win->pm, x - 3, y - 3, THUMB_SIZE + 6, THUMB_SIZE + 6, | win_draw_rect(win, win->pm, x - 3, y - 3, THUMB_SIZE + 6, THUMB_SIZE + 6, | ||||
false, 2, col); | false, 2, col); | ||||
} | } | ||||
win_draw(win); | win_draw(win); | ||||
} | } | ||||
bool tns_move_selection(tns_t *tns, direction_t dir) { | bool tns_move_selection(tns_t *tns, direction_t dir) { | ||||
int old; | int old; | ||||
if (!tns || !tns->thumbs) | if (tns == NULL || tns->thumbs == NULL) | ||||
return false; | return false; | ||||
old = tns->sel; | old = tns->sel; | ||||
@@ -425,14 +427,13 @@ bool tns_move_selection(tns_t *tns, direction_t dir) { | |||||
if (!tns->dirty) | if (!tns->dirty) | ||||
tns_highlight(tns, tns->sel, true); | tns_highlight(tns, tns->sel, true); | ||||
} | } | ||||
return tns->sel != old; | return tns->sel != old; | ||||
} | } | ||||
bool tns_scroll(tns_t *tns, direction_t dir) { | bool tns_scroll(tns_t *tns, direction_t dir) { | ||||
int old; | int old; | ||||
if (!tns) | if (tns == NULL) | ||||
return false; | return false; | ||||
old = tns->first; | old = tns->first; | ||||
@@ -446,16 +447,14 @@ bool tns_scroll(tns_t *tns, direction_t dir) { | |||||
tns_check_view(tns, true); | tns_check_view(tns, true); | ||||
tns->dirty = true; | tns->dirty = true; | ||||
} | } | ||||
return tns->first != old; | return tns->first != old; | ||||
} | } | ||||
int tns_translate(tns_t *tns, int x, int y) { | int tns_translate(tns_t *tns, int x, int y) { | ||||
int n; | int n; | ||||
if (!tns || !tns->thumbs) | if (tns == NULL || tns->thumbs == NULL) | ||||
return -1; | return -1; | ||||
if (x < tns->x || y < tns->y) | if (x < tns->x || y < tns->y) | ||||
return -1; | return -1; | ||||
@@ -39,13 +39,15 @@ void cleanup(); | |||||
void* s_malloc(size_t size) { | void* s_malloc(size_t size) { | ||||
void *ptr; | void *ptr; | ||||
if (!(ptr = malloc(size))) | ptr = malloc(size); | ||||
if (ptr == NULL) | |||||
die("could not allocate memory"); | die("could not allocate memory"); | ||||
return ptr; | return ptr; | ||||
} | } | ||||
void* s_realloc(void *ptr, size_t size) { | void* s_realloc(void *ptr, size_t size) { | ||||
if (!(ptr = realloc(ptr, size))) | ptr = realloc(ptr, size); | ||||
if (ptr == NULL) | |||||
die("could not allocate memory"); | die("could not allocate memory"); | ||||
return ptr; | return ptr; | ||||
} | } | ||||
@@ -53,8 +55,9 @@ void* s_realloc(void *ptr, size_t size) { | |||||
char* s_strdup(char *s) { | char* s_strdup(char *s) { | ||||
char *d = NULL; | char *d = NULL; | ||||
if (s) { | if (s != NULL) { | ||||
if (!(d = malloc(strlen(s) + 1))) | d = malloc(strlen(s) + 1); | ||||
if (d == NULL) | |||||
die("could not allocate memory"); | die("could not allocate memory"); | ||||
strcpy(d, s); | strcpy(d, s); | ||||
} | } | ||||
@@ -64,7 +67,7 @@ char* s_strdup(char *s) { | |||||
void warn(const char* fmt, ...) { | void warn(const char* fmt, ...) { | ||||
va_list args; | va_list args; | ||||
if (!fmt || options->quiet) | if (fmt == NULL || options->quiet) | ||||
return; | return; | ||||
va_start(args, fmt); | va_start(args, fmt); | ||||
@@ -77,7 +80,7 @@ void warn(const char* fmt, ...) { | |||||
void die(const char* fmt, ...) { | void die(const char* fmt, ...) { | ||||
va_list args; | va_list args; | ||||
if (!fmt) | if (fmt == NULL) | ||||
return; | return; | ||||
va_start(args, fmt); | va_start(args, fmt); | ||||
@@ -94,17 +97,17 @@ ssize_t get_line(char **buf, size_t *n, FILE *stream) { | |||||
size_t len; | size_t len; | ||||
char *s; | char *s; | ||||
if (!stream || feof(stream) || ferror(stream)) | if (stream == NULL || feof(stream) || ferror(stream)) | ||||
return -1; | return -1; | ||||
if (!*buf || !*n) { | if (*buf == NULL || *n == 0) { | ||||
*n = BUF_SIZE; | *n = BUF_SIZE; | ||||
*buf = (char*) s_malloc(*n); | *buf = (char*) s_malloc(*n); | ||||
} | } | ||||
s = *buf; | s = *buf; | ||||
while (1) { | while (true) { | ||||
if (!fgets(s, *n - (s - *buf), stream)) | if (fgets(s, *n - (s - *buf), stream) == NULL) | ||||
return -1; | return -1; | ||||
len = strlen(s); | len = strlen(s); | ||||
if (feof(stream)) | if (feof(stream)) | ||||
@@ -119,7 +122,6 @@ ssize_t get_line(char **buf, size_t *n, FILE *stream) { | |||||
s += len; | s += len; | ||||
} | } | ||||
} | } | ||||
return s - *buf + len; | return s - *buf + len; | ||||
} | } | ||||
@@ -147,41 +149,41 @@ char* absolute_path(const char *filename) { | |||||
char *dir, *dirname = NULL, *path = NULL, *s; | char *dir, *dirname = NULL, *path = NULL, *s; | ||||
char *cwd = NULL, *twd = NULL; | char *cwd = NULL, *twd = NULL; | ||||
if (!filename || *filename == '\0' || *filename == '/') | if (filename == NULL || *filename == '\0' || *filename == '/') | ||||
return NULL; | return NULL; | ||||
len = FNAME_LEN; | len = FNAME_LEN; | ||||
cwd = (char*) s_malloc(len); | cwd = (char*) s_malloc(len); | ||||
while (!(s = getcwd(cwd, len)) && errno == ERANGE) { | while ((s = getcwd(cwd, len)) == NULL && errno == ERANGE) { | ||||
len *= 2; | len *= 2; | ||||
cwd = (char*) s_realloc(cwd, len); | cwd = (char*) s_realloc(cwd, len); | ||||
} | } | ||||
if (!s) | if (s == NULL) | ||||
goto error; | goto error; | ||||
s = strrchr(filename, '/'); | s = strrchr(filename, '/'); | ||||
if (s) { | if (s != NULL) { | ||||
len = s - filename; | len = s - filename; | ||||
dirname = (char*) s_malloc(len + 1); | dirname = (char*) s_malloc(len + 1); | ||||
strncpy(dirname, filename, len); | strncpy(dirname, filename, len); | ||||
dirname[len] = '\0'; | dirname[len] = '\0'; | ||||
basename = s + 1; | basename = s + 1; | ||||
if (chdir(cwd)) | if (chdir(cwd) < 0) | ||||
/* we're not able to come back afterwards */ | /* we're not able to come back afterwards */ | ||||
goto error; | goto error; | ||||
if (chdir(dirname)) | if (chdir(dirname) < 0) | ||||
goto error; | goto error; | ||||
len = FNAME_LEN; | len = FNAME_LEN; | ||||
twd = (char*) s_malloc(len); | twd = (char*) s_malloc(len); | ||||
while (!(s = getcwd(twd, len)) && errno == ERANGE) { | while ((s = getcwd(twd, len)) == NULL && errno == ERANGE) { | ||||
len *= 2; | len *= 2; | ||||
twd = (char*) s_realloc(twd, len); | twd = (char*) s_realloc(twd, len); | ||||
} | } | ||||
if (chdir(cwd)) | if (chdir(cwd) < 0) | ||||
die("could not revert to prior working directory"); | die("could not revert to prior working directory"); | ||||
if (!s) | if (s == NULL) | ||||
goto error; | goto error; | ||||
dir = twd; | dir = twd; | ||||
} else { | } else { | ||||
@@ -197,27 +199,27 @@ char* absolute_path(const char *filename) { | |||||
goto end; | goto end; | ||||
error: | error: | ||||
if (path) { | if (path != NULL) { | ||||
free(path); | free(path); | ||||
path = NULL; | path = NULL; | ||||
} | } | ||||
end: | end: | ||||
if (dirname) | if (dirname != NULL) | ||||
free(dirname); | free(dirname); | ||||
if (cwd) | if (cwd != NULL) | ||||
free(cwd); | free(cwd); | ||||
if (twd) | if (twd != NULL) | ||||
free(twd); | free(twd); | ||||
return path; | return path; | ||||
} | } | ||||
int r_opendir(r_dir_t *rdir, const char *dirname) { | int r_opendir(r_dir_t *rdir, const char *dirname) { | ||||
if (!rdir || !dirname || !*dirname) | if (rdir == NULL || dirname == NULL || *dirname == '\0') | ||||
return -1; | return -1; | ||||
if (!(rdir->dir = opendir(dirname))) { | if ((rdir->dir = opendir(dirname)) == NULL) { | ||||
rdir->name = NULL; | rdir->name = NULL; | ||||
rdir->stack = NULL; | rdir->stack = NULL; | ||||
return -1; | return -1; | ||||
@@ -236,22 +238,22 @@ int r_opendir(r_dir_t *rdir, const char *dirname) { | |||||
int r_closedir(r_dir_t *rdir) { | int r_closedir(r_dir_t *rdir) { | ||||
int ret = 0; | int ret = 0; | ||||
if (!rdir) | if (rdir == NULL) | ||||
return -1; | return -1; | ||||
if (rdir->stack) { | if (rdir->stack != NULL) { | ||||
while (rdir->stlen > 0) | while (rdir->stlen > 0) | ||||
free(rdir->stack[--rdir->stlen]); | free(rdir->stack[--rdir->stlen]); | ||||
free(rdir->stack); | free(rdir->stack); | ||||
rdir->stack = NULL; | rdir->stack = NULL; | ||||
} | } | ||||
if (rdir->dir) { | if (rdir->dir != NULL) { | ||||
if (!(ret = closedir(rdir->dir))) | if ((ret = closedir(rdir->dir)) == 0) | ||||
rdir->dir = NULL; | rdir->dir = NULL; | ||||
} | } | ||||
if (rdir->d && rdir->name) { | if (rdir->d != 0 && rdir->name != NULL) { | ||||
free(rdir->name); | free(rdir->name); | ||||
rdir->name = NULL; | rdir->name = NULL; | ||||
} | } | ||||
@@ -265,11 +267,11 @@ char* r_readdir(r_dir_t *rdir) { | |||||
struct dirent *dentry; | struct dirent *dentry; | ||||
struct stat fstats; | struct stat fstats; | ||||
if (!rdir || !rdir->dir || !rdir->name) | if (rdir == NULL || rdir->dir == NULL || rdir->name == NULL) | ||||
return NULL; | return NULL; | ||||
while (1) { | while (true) { | ||||
if (rdir->dir && (dentry = readdir(rdir->dir))) { | if (rdir->dir != NULL && (dentry = readdir(rdir->dir)) != NULL) { | ||||
if (streq(dentry->d_name, ".") || streq(dentry->d_name, "..")) | if (streq(dentry->d_name, ".") || streq(dentry->d_name, "..")) | ||||
continue; | continue; | ||||
@@ -279,7 +281,9 @@ char* r_readdir(r_dir_t *rdir) { | |||||
rdir->name[strlen(rdir->name)-1] == '/' ? "" : "/", | rdir->name[strlen(rdir->name)-1] == '/' ? "" : "/", | ||||
dentry->d_name); | dentry->d_name); | ||||
if (!stat(filename, &fstats) && S_ISDIR(fstats.st_mode)) { | if (stat(filename, &fstats) < 0) | ||||
continue; | |||||
if (S_ISDIR(fstats.st_mode)) { | |||||
/* put subdirectory on the stack */ | /* put subdirectory on the stack */ | ||||
if (rdir->stlen == rdir->stcap) { | if (rdir->stlen == rdir->stcap) { | ||||
rdir->stcap *= 2; | rdir->stcap *= 2; | ||||
@@ -295,19 +299,17 @@ char* r_readdir(r_dir_t *rdir) { | |||||
if (rdir->stlen > 0) { | if (rdir->stlen > 0) { | ||||
/* open next subdirectory */ | /* open next subdirectory */ | ||||
closedir(rdir->dir); | closedir(rdir->dir); | ||||
if (rdir->d) | if (rdir->d != 0) | ||||
free(rdir->name); | free(rdir->name); | ||||
rdir->name = rdir->stack[--rdir->stlen]; | rdir->name = rdir->stack[--rdir->stlen]; | ||||
rdir->d = 1; | rdir->d = 1; | ||||
if (!(rdir->dir = opendir(rdir->name))) | if ((rdir->dir = opendir(rdir->name)) == NULL) | ||||
warn("could not open directory: %s", rdir->name); | warn("could not open directory: %s", rdir->name); | ||||
continue; | continue; | ||||
} | } | ||||
/* no more entries */ | /* no more entries */ | ||||
break; | break; | ||||
} | } | ||||
return NULL; | return NULL; | ||||
} | } | ||||
@@ -316,10 +318,10 @@ int r_mkdir(const char *path) { | |||||
struct stat stats; | struct stat stats; | ||||
int err = 0; | int err = 0; | ||||
if (!path || !*path) | if (path == NULL || *path == '\0') | ||||
return -1; | return -1; | ||||
if (!stat(path, &stats)) { | if (stat(path, &stats) == 0) { | ||||
if (S_ISDIR(stats.st_mode)) { | if (S_ISDIR(stats.st_mode)) { | ||||
return 0; | return 0; | ||||
} else { | } else { | ||||
@@ -331,16 +333,16 @@ int r_mkdir(const char *path) { | |||||
d = dir = (char*) s_malloc(strlen(path) + 1); | d = dir = (char*) s_malloc(strlen(path) + 1); | ||||
strcpy(dir, path); | strcpy(dir, path); | ||||
while (d != NULL && !err) { | while (d != NULL && err == 0) { | ||||
d = strchr(d + 1, '/'); | d = strchr(d + 1, '/'); | ||||
if (d != NULL) | if (d != NULL) | ||||
*d = '\0'; | *d = '\0'; | ||||
if (access(dir, F_OK) && errno == ENOENT) { | if (access(dir, F_OK) < 0 && errno == ENOENT) { | ||||
if (mkdir(dir, 0755)) { | if (mkdir(dir, 0755) < 0) { | ||||
warn("could not create directory: %s", dir); | warn("could not create directory: %s", dir); | ||||
err = -1; | err = -1; | ||||
} | } | ||||
} else if (stat(dir, &stats) || !S_ISDIR(stats.st_mode)) { | } else if (stat(dir, &stats) < 0 || !S_ISDIR(stats.st_mode)) { | ||||
warn("not a directory: %s", dir); | warn("not a directory: %s", dir); | ||||
err = -1; | err = -1; | ||||
} | } | ||||
@@ -40,11 +40,11 @@ void win_init(win_t *win) { | |||||
win_env_t *e; | win_env_t *e; | ||||
XColor col; | XColor col; | ||||
if (!win) | if (win == NULL) | ||||
return; | return; | ||||
e = &win->env; | e = &win->env; | ||||
if (!(e->dpy = XOpenDisplay(NULL))) | if ((e->dpy = XOpenDisplay(NULL)) == NULL) | ||||
die("could not open display"); | die("could not open display"); | ||||
e->scr = DefaultScreen(e->dpy); | e->scr = DefaultScreen(e->dpy); | ||||
@@ -58,7 +58,7 @@ void win_init(win_t *win) { | |||||
win->white = WhitePixel(e->dpy, e->scr); | win->white = WhitePixel(e->dpy, e->scr); | ||||
if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), BG_COLOR, | if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), BG_COLOR, | ||||
&col, &col)) | &col, &col) != 0) | ||||
{ | { | ||||
win->bgcol = col.pixel; | win->bgcol = col.pixel; | ||||
} else { | } else { | ||||
@@ -66,7 +66,7 @@ void win_init(win_t *win) { | |||||
} | } | ||||
if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), SEL_COLOR, | if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), SEL_COLOR, | ||||
&col, &col)) | &col, &col) != 0) | ||||
{ | { | ||||
win->selcol = col.pixel; | win->selcol = col.pixel; | ||||
} else { | } else { | ||||
@@ -81,7 +81,7 @@ void win_init(win_t *win) { | |||||
void win_set_sizehints(win_t *win) { | void win_set_sizehints(win_t *win) { | ||||
XSizeHints sizehints; | XSizeHints sizehints; | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
sizehints.flags = PMinSize | PMaxSize; | sizehints.flags = PMinSize | PMaxSize; | ||||
@@ -100,32 +100,32 @@ void win_open(win_t *win) { | |||||
Pixmap none; | Pixmap none; | ||||
int gmask; | int gmask; | ||||
if (!win) | if (win == NULL) | ||||
return; | return; | ||||
e = &win->env; | e = &win->env; | ||||
/* determine window offsets, width & height */ | /* determine window offsets, width & height */ | ||||
if (!options->geometry) | if (options->geometry == NULL) | ||||
gmask = 0; | gmask = 0; | ||||
else | else | ||||
gmask = XParseGeometry(options->geometry, &win->x, &win->y, | gmask = XParseGeometry(options->geometry, &win->x, &win->y, | ||||
&win->w, &win->h); | &win->w, &win->h); | ||||
if (!(gmask & WidthValue)) | if ((gmask & WidthValue) == 0) | ||||
win->w = WIN_WIDTH; | win->w = WIN_WIDTH; | ||||
if (win->w > e->scrw) | if (win->w > e->scrw) | ||||
win->w = e->scrw; | win->w = e->scrw; | ||||
if (!(gmask & HeightValue)) | if ((gmask & HeightValue) == 0) | ||||
win->h = WIN_HEIGHT; | win->h = WIN_HEIGHT; | ||||
if (win->h > e->scrh) | if (win->h > e->scrh) | ||||
win->h = e->scrh; | win->h = e->scrh; | ||||
if (!(gmask & XValue)) | if ((gmask & XValue) == 0) | ||||
win->x = (e->scrw - win->w) / 2; | win->x = (e->scrw - win->w) / 2; | ||||
else if (gmask & XNegative) | else if ((gmask & XNegative) != 0) | ||||
win->x += e->scrw - win->w; | win->x += e->scrw - win->w; | ||||
if (!(gmask & YValue)) | if ((gmask & YValue) == 0) | ||||
win->y = (e->scrh - win->h) / 2; | win->y = (e->scrh - win->h) / 2; | ||||
else if (gmask & YNegative) | else if ((gmask & YNegative) != 0) | ||||
win->y += e->scrh - win->h; | win->y += e->scrh - win->h; | ||||
win->xwin = XCreateWindow(e->dpy, RootWindow(e->dpy, e->scr), | win->xwin = XCreateWindow(e->dpy, RootWindow(e->dpy, e->scr), | ||||
@@ -141,8 +141,8 @@ void win_open(win_t *win) { | |||||
chand = XCreateFontCursor(e->dpy, XC_fleur); | chand = XCreateFontCursor(e->dpy, XC_fleur); | ||||
cwatch = XCreateFontCursor(e->dpy, XC_watch); | cwatch = XCreateFontCursor(e->dpy, XC_watch); | ||||
if (!XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), "black", | if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), "black", | ||||
&col, &col)) | &col, &col) == 0) | ||||
{ | { | ||||
die("could not allocate color: black"); | die("could not allocate color: black"); | ||||
} | } | ||||
@@ -171,7 +171,7 @@ void win_open(win_t *win) { | |||||
} | } | ||||
void win_close(win_t *win) { | void win_close(win_t *win) { | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
XFreeCursor(win->env.dpy, carrow); | XFreeCursor(win->env.dpy, carrow); | ||||
@@ -188,7 +188,7 @@ void win_close(win_t *win) { | |||||
bool win_configure(win_t *win, XConfigureEvent *c) { | bool win_configure(win_t *win, XConfigureEvent *c) { | ||||
bool changed; | bool changed; | ||||
if (!win) | if (win == NULL) | ||||
return false; | return false; | ||||
changed = win->w != c->width || win->h != c->height; | changed = win->w != c->width || win->h != c->height; | ||||
@@ -203,7 +203,7 @@ bool win_configure(win_t *win, XConfigureEvent *c) { | |||||
} | } | ||||
bool win_moveresize(win_t *win, int x, int y, unsigned int w, unsigned int h) { | bool win_moveresize(win_t *win, int x, int y, unsigned int w, unsigned int h) { | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return false; | return false; | ||||
x = MAX(0, x); | x = MAX(0, x); | ||||
@@ -231,7 +231,7 @@ void win_toggle_fullscreen(win_t *win) { | |||||
XEvent ev; | XEvent ev; | ||||
XClientMessageEvent *cm; | XClientMessageEvent *cm; | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
win->fullscreen = !win->fullscreen; | win->fullscreen = !win->fullscreen; | ||||
@@ -255,13 +255,13 @@ void win_clear(win_t *win) { | |||||
win_env_t *e; | win_env_t *e; | ||||
XGCValues gcval; | XGCValues gcval; | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
e = &win->env; | e = &win->env; | ||||
gcval.foreground = win->fullscreen ? win->black : win->bgcol; | gcval.foreground = win->fullscreen ? win->black : win->bgcol; | ||||
if (win->pm) | if (win->pm != None) | ||||
XFreePixmap(e->dpy, win->pm); | XFreePixmap(e->dpy, win->pm); | ||||
win->pm = XCreatePixmap(e->dpy, win->xwin, e->scrw, e->scrh, e->depth); | win->pm = XCreatePixmap(e->dpy, win->xwin, e->scrw, e->scrh, e->depth); | ||||
@@ -270,7 +270,7 @@ void win_clear(win_t *win) { | |||||
} | } | ||||
void win_draw(win_t *win) { | void win_draw(win_t *win) { | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
XSetWindowBackgroundPixmap(win->env.dpy, win->xwin, win->pm); | XSetWindowBackgroundPixmap(win->env.dpy, win->xwin, win->pm); | ||||
@@ -281,7 +281,7 @@ void win_draw_rect(win_t *win, Pixmap pm, int x, int y, int w, int h, | |||||
bool fill, int lw, unsigned long col) { | bool fill, int lw, unsigned long col) { | ||||
XGCValues gcval; | XGCValues gcval; | ||||
if (!win || !pm) | if (win == NULL || pm == None) | ||||
return; | return; | ||||
gcval.line_width = lw; | gcval.line_width = lw; | ||||
@@ -295,10 +295,10 @@ void win_draw_rect(win_t *win, Pixmap pm, int x, int y, int w, int h, | |||||
} | } | ||||
void win_set_title(win_t *win, const char *title) { | void win_set_title(win_t *win, const char *title) { | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
if (!title) | if (title == NULL) | ||||
title = "sxiv"; | title = "sxiv"; | ||||
XStoreName(win->env.dpy, win->xwin, title); | XStoreName(win->env.dpy, win->xwin, title); | ||||
@@ -315,7 +315,7 @@ void win_set_title(win_t *win, const char *title) { | |||||
} | } | ||||
void win_set_cursor(win_t *win, cursor_t cursor) { | void win_set_cursor(win_t *win, cursor_t cursor) { | ||||
if (!win || !win->xwin) | if (win == NULL || win->xwin == None) | ||||
return; | return; | ||||
switch (cursor) { | switch (cursor) { | ||||