Newer
Older
/* filelist.c
Copyright (C) 1999-2003 Tom Gilbert.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies of the Software and its documentation and acknowledgment shall be
given in the documentation and software packages that this Software was
used.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifdef HAVE_LIBEXIF
#include <libexif/exif-data.h>
#endif
#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#endif
#include "feh.h"
#include "filelist.h"
#include "options.h"
gib_list *filelist = NULL;
gib_list *original_file_items = NULL; /* original file items from argv */
int filelist_len = 0;
gib_list *current_file = NULL;
extern int errno;
static gib_list *rm_filelist = NULL;
feh_file *feh_file_new(char *filename)
feh_file *newfile;
char *s;
newfile = (feh_file *) emalloc(sizeof(feh_file));
newfile->caption = NULL;
newfile->filename = estrdup(filename);
s = strrchr(filename, '/');
if (s)
newfile->name = estrdup(s + 1);
else
newfile->name = estrdup(filename);
newfile->info = NULL;
#ifdef HAVE_LIBEXIF
newfile->ed = NULL;
#endif
Birte Kristina Friesel
committed
return(newfile);
void feh_file_free(feh_file * file)
if (!file)
Birte Kristina Friesel
committed
return;
if (file->filename)
free(file->filename);
if (file->name)
free(file->name);
if (file->caption)
free(file->caption);
if (file->info)
feh_file_info_free(file->info);
#ifdef HAVE_LIBEXIF
exif_data_unref(file->ed);
free(file);
Birte Kristina Friesel
committed
return;
feh_file_info *feh_file_info_new(void)
feh_file_info *info;
info = (feh_file_info *) emalloc(sizeof(feh_file_info));
info->width = 0;
info->height = 0;
info->size = 0;
info->pixels = 0;
info->has_alpha = 0;
info->format = NULL;
info->extension = NULL;
Birte Kristina Friesel
committed
return(info);
void feh_file_info_free(feh_file_info * info)
if (!info)
Birte Kristina Friesel
committed
return;
if (info->format)
free(info->format);
if (info->extension)
free(info->extension);
free(info);
Birte Kristina Friesel
committed
return;
gib_list *feh_file_rm_and_free(gib_list * list, gib_list * l)
unlink(FEH_FILE(l->data)->filename);
Birte Kristina Friesel
committed
return(feh_file_remove_from_list(list, l));
gib_list *feh_file_remove_from_list(gib_list * list, gib_list * l)
feh_file_free(FEH_FILE(l->data));
D(("filelist_len %d -> %d\n", filelist_len, filelist_len - 1));
Birte Kristina Friesel
committed
return(gib_list_remove(list, l));
int file_selector_all(const struct dirent *unused __attribute__((unused)))
{
return 1;
}
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
static void feh_print_stat_error(char *path)
{
if (opt.quiet)
return;
switch (errno) {
case ENOENT:
case ENOTDIR:
weprintf("%s does not exist - skipping", path);
break;
case ELOOP:
weprintf("%s - too many levels of symbolic links - skipping", path);
break;
case EACCES:
weprintf("you don't have permission to open %s - skipping", path);
break;
case EOVERFLOW:
weprintf("Cannot open %s - EOVERFLOW.\n"
"Recompile with stat64=1 to fix this", path);
break;
default:
weprintf("couldn't open %s", path);
break;
}
}
Birte Kristina Friesel
committed
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
static void add_stdin_to_filelist()
{
char buf[1024];
size_t readsize;
char *sfn = estrjoin("_", "/tmp/feh_stdin", "XXXXXX", NULL);
int fd = mkstemp(sfn);
FILE *outfile;
if (fd == -1) {
free(sfn);
weprintf("cannot read from stdin: mktemp:");
return;
}
outfile = fdopen(fd, "w");
if (outfile == NULL) {
free(sfn);
weprintf("cannot read from stdin: fdopen:");
return;
}
while ((readsize = fread(buf, sizeof(char), sizeof(buf), stdin)) > 0) {
if (fwrite(buf, sizeof(char), readsize, outfile) < readsize) {
free(sfn);
return;
}
}
fclose(outfile);
filelist = gib_list_add_front(filelist, feh_file_new(sfn));
add_file_to_rm_filelist(sfn);
Birte Kristina Friesel
committed
free(sfn);
}
void add_file_to_filelist_recursively(char *origpath, unsigned char level)
struct stat st;
char *path;
if (!origpath || *origpath == '\0')
Birte Kristina Friesel
committed
return;
path = estrdup(origpath);
if (level == FILELIST_FIRST) {
/* First time through, sort out pathname */
int len = 0;
len = strlen(path);
if (path[len - 1] == '/')
path[len - 1] = '\0';
if (path_is_url(path)) {
D(("Adding url %s to filelist\n", path));
filelist = gib_list_add_front(filelist, feh_file_new(path));
/* We'll download it later... */
free(path);
Birte Kristina Friesel
committed
return;
} else if ((len == 1) && (path[0] == '-')) {
Birte Kristina Friesel
committed
D(("Adding temporary file for stdin (-) to filelist\n"));
add_stdin_to_filelist();
free(path);
return;
} else if (opt.filelistfile) {
char *newpath = feh_absolute_path(path);
free(path);
path = newpath;
}
}
errno = 0;
if (stat(path, &st)) {
feh_print_stat_error(path);
free(path);
Birte Kristina Friesel
committed
return;
}
if ((S_ISDIR(st.st_mode)) && (level != FILELIST_LAST)) {
struct dirent **de;
DIR *dir;
int cnt, n;
if ((dir = opendir(path)) == NULL) {
if (!opt.quiet)
weprintf("couldn't open directory %s:", path);
free(path);
Birte Kristina Friesel
committed
return;
n = scandir(path, &de, file_selector_all, alphasort);
if (n < 0) {
switch (errno) {
case ENOMEM:
weprintf("Insufficient memory to scan directory %s:", path);
break;
default:
weprintf("Failed to scan directory %s:", path);
}
Michael Vorburger
committed
} else {
for (cnt = 0; cnt < n; cnt++) {
if (strcmp(de[cnt]->d_name, ".")
&& strcmp(de[cnt]->d_name, "..")) {
char *newfile;
newfile = estrjoin("", path, "/", de[cnt]->d_name, NULL);
/* This ensures we go down one level even if not fully recursive
- this way "feh some_dir" expands to some_dir's contents */
if (opt.recursive)
add_file_to_filelist_recursively(newfile, FILELIST_CONTINUE);
else
add_file_to_filelist_recursively(newfile, FILELIST_LAST);
free(newfile);
}
free(de[cnt]);
Michael Vorburger
committed
free(de);
}
closedir(dir);
} else if (S_ISREG(st.st_mode)) {
D(("Adding regular file %s to filelist\n", path));
filelist = gib_list_add_front(filelist, feh_file_new(path));
}
free(path);
Birte Kristina Friesel
committed
return;
void add_file_to_rm_filelist(char *file)
rm_filelist = gib_list_add_front(rm_filelist, feh_file_new(file));
Birte Kristina Friesel
committed
return;
void delete_rm_files(void)
gib_list *l;
for (l = rm_filelist; l; l = l->next)
unlink(FEH_FILE(l->data)->filename);
Birte Kristina Friesel
committed
return;
gib_list *feh_file_info_preload(gib_list * list)
gib_list *l;
feh_file *file = NULL;
gib_list *remove_list = NULL;
for (l = list; l; l = l->next) {
file = FEH_FILE(l->data);
D(("file %p, file->next %p, file->name %s\n", l, l->next, file->name));
if (feh_file_info_load(file, NULL)) {
remove_list = gib_list_add_front(remove_list, l);
if (opt.verbose)
feh_display_status('x');
} else if (((unsigned int)file->info->width < opt.min_width)
|| ((unsigned int)file->info->width > opt.max_width)
|| ((unsigned int)file->info->height < opt.min_height)
|| ((unsigned int)file->info->height > opt.max_height)) {
remove_list = gib_list_add_front(remove_list, l);
if (opt.verbose)
feh_display_status('s');
} else if (opt.verbose)
feh_display_status('.');
if (sig_exit) {
feh_display_status(0);
exit(sig_exit);
}
}
if (opt.verbose)
feh_display_status(0);
if (remove_list) {
Birte Kristina Friesel
committed
for (l = remove_list; l; l = l->next) {
feh_file_free(FEH_FILE(((gib_list *) l->data)->data));
filelist = list = gib_list_remove(list, (gib_list *) l->data);
Birte Kristina Friesel
committed
}
gib_list_free(remove_list);
}
Birte Kristina Friesel
committed
return(list);
int feh_file_info_load(feh_file * file, Imlib_Image im)
struct stat st;
int need_free = 1;
Imlib_Image im1;
if (im)
need_free = 0;
errno = 0;
if (stat(file->filename, &st)) {
feh_print_stat_error(file->filename);
Birte Kristina Friesel
committed
return(1);
}
if (im)
im1 = im;
else if (!feh_load_image(&im1, file) || !im1)
Birte Kristina Friesel
committed
return(1);
file->info = feh_file_info_new();
file->info->width = gib_imlib_image_get_width(im1);
file->info->height = gib_imlib_image_get_height(im1);
file->info->has_alpha = gib_imlib_image_has_alpha(im1);
file->info->pixels = file->info->width * file->info->height;
file->info->format = estrdup(gib_imlib_image_format(im1));
file->info->size = st.st_size;
if (need_free)
gib_imlib_free_image_and_decache(im1);
Birte Kristina Friesel
committed
return(0);
void feh_file_dirname(char *dst, feh_file * f, int maxlen)
{
int n = strlen(f->filename) - strlen(f->name);
/* Give up on long dirnames */
if (n <= 0 || n >= maxlen) {
dst[0] = '\0';
return;
}
static inline int strcmp_or_strverscmp(const char *s1, const char *s2)
Birte Kristina Friesel
committed
return(strcmp(s1, s2));
Birte Kristina Friesel
committed
return(strverscmp(s1, s2));
}
int feh_cmp_filename(void *file1, void *file2)
Birte Kristina Friesel
committed
return(strcmp_or_strverscmp(FEH_FILE(file1)->filename, FEH_FILE(file2)->filename));
int feh_cmp_name(void *file1, void *file2)
Birte Kristina Friesel
committed
return(strcmp_or_strverscmp(FEH_FILE(file1)->name, FEH_FILE(file2)->name));
char dir1[PATH_MAX], dir2[PATH_MAX];
feh_file_dirname(dir1, FEH_FILE(file1), PATH_MAX);
feh_file_dirname(dir2, FEH_FILE(file2), PATH_MAX);
Birte Kristina Friesel
committed
if ((cmp = strcmp_or_strverscmp(dir1, dir2)) != 0)
return(cmp);
return(feh_cmp_name(file1, file2));
}
/* Return -1 if file1 is _newer_ than file2 */
int feh_cmp_mtime(void *file1, void *file2)
{
struct stat s1, s2;
if (stat(FEH_FILE(file1)->filename, &s1)) {
feh_print_stat_error(FEH_FILE(file1)->filename);
return(-1);
}
if (stat(FEH_FILE(file2)->filename, &s2)) {
feh_print_stat_error(FEH_FILE(file2)->filename);
return(-1);
}
/* gib_list_sort is not stable, so explicitly return 0 as -1 */
return(s1.st_mtime >= s2.st_mtime ? -1 : 1);
}
int feh_cmp_width(void *file1, void *file2)
Birte Kristina Friesel
committed
return((FEH_FILE(file1)->info->width - FEH_FILE(file2)->info->width));
int feh_cmp_height(void *file1, void *file2)
Birte Kristina Friesel
committed
return((FEH_FILE(file1)->info->height - FEH_FILE(file2)->info->height));
int feh_cmp_pixels(void *file1, void *file2)
Birte Kristina Friesel
committed
return((FEH_FILE(file1)->info->pixels - FEH_FILE(file2)->info->pixels));
int feh_cmp_size(void *file1, void *file2)
Birte Kristina Friesel
committed
return((FEH_FILE(file1)->info->size - FEH_FILE(file2)->info->size));
int feh_cmp_format(void *file1, void *file2)
Birte Kristina Friesel
committed
return(strcmp(FEH_FILE(file1)->info->format, FEH_FILE(file2)->info->format));
void feh_prepare_filelist(void)
Birte Kristina Friesel
committed
/*
* list and customlist mode as well as the somewhat more fancy sort modes
* need access to file infos. Preloading them is also useful for
* list/customlist as --min-dimension/--max-dimension may filter images
* which should not be processed.
* Finally, if --min-dimension/--max-dimension (-> opt.filter_by_dimensions)
* is set and we're in thumbnail mode, we need to filter images first so
* we can create a properly sized thumbnail list.
*/
if (opt.list || opt.preload || opt.customlist || (opt.sort > SORT_MTIME)
|| (opt.filter_by_dimensions && (opt.index || opt.thumbs || opt.bgmode))) {
/* For these sort options, we have to preload images */
filelist = feh_file_info_preload(filelist);
if (!gib_list_length(filelist))
show_mini_usage();
}
D(("sort mode requested is: %d\n", opt.sort));
switch (opt.sort) {
case SORT_NONE:
if (opt.randomize) {
/* Randomize the filename order */
filelist = gib_list_randomize(filelist);
} else if (!opt.reverse) {
/* Let's reverse the list. Its back-to-front right now ;) */
filelist = gib_list_reverse(filelist);
}
break;
case SORT_NAME:
filelist = gib_list_sort(filelist, feh_cmp_name);
break;
case SORT_FILENAME:
filelist = gib_list_sort(filelist, feh_cmp_filename);
break;
case SORT_DIRNAME:
filelist = gib_list_sort(filelist, feh_cmp_dirname);
break;
case SORT_MTIME:
filelist = gib_list_sort(filelist, feh_cmp_mtime);
break;
case SORT_WIDTH:
filelist = gib_list_sort(filelist, feh_cmp_width);
break;
case SORT_HEIGHT:
filelist = gib_list_sort(filelist, feh_cmp_height);
break;
case SORT_PIXELS:
filelist = gib_list_sort(filelist, feh_cmp_pixels);
break;
case SORT_SIZE:
filelist = gib_list_sort(filelist, feh_cmp_size);
break;
case SORT_FORMAT:
filelist = gib_list_sort(filelist, feh_cmp_format);
break;
default:
break;
}
/* no point reversing a random list */
if (opt.reverse && (opt.sort != SORT_NONE)) {
D(("Reversing filelist as requested\n"));
filelist = gib_list_reverse(filelist);
}
Birte Kristina Friesel
committed
return;
int feh_write_filelist(gib_list * list, char *filename)
FILE *fp;
gib_list *l;
if (!list || !filename || !strcmp(filename, "/dev/stdin"))
Birte Kristina Friesel
committed
return(0);
errno = 0;
if ((fp = fopen(filename, "w")) == NULL) {
weprintf("can't write filelist %s:", filename);
Birte Kristina Friesel
committed
return(0);
for (l = list; l; l = l->next)
fprintf(fp, "%s\n", (FEH_FILE(l->data)->filename));
fclose(fp);
Birte Kristina Friesel
committed
return(1);
gib_list *feh_read_filelist(char *filename)
FILE *fp;
gib_list *list = NULL;
char s[1024], s1[1024];
Birte Kristina Friesel
committed
Imlib_Load_Error err = IMLIB_LOAD_ERROR_NONE;
Imlib_Image tmp_im;
struct stat st;
Birte Kristina Friesel
committed
signed short tmp_conversion_timeout;
if (!filename)
Birte Kristina Friesel
committed
return(NULL);
/*
* feh_load_image will fail horribly if filename is not seekable
*/
Birte Kristina Friesel
committed
tmp_conversion_timeout = opt.conversion_timeout;
opt.conversion_timeout = -1;
Birte Kristina Friesel
committed
if (!stat(filename, &st) && S_ISREG(st.st_mode)) {
tmp_im = imlib_load_image_with_error_return(filename, &err);
if (err == IMLIB_LOAD_ERROR_NONE) {
gib_imlib_free_image_and_decache(tmp_im);
weprintf("Filelist file %s is an image, refusing to use it.\n"
"Did you mix up -f and -F?", filename);
opt.filelistfile = NULL;
return NULL;
}
}
Birte Kristina Friesel
committed
opt.conversion_timeout = tmp_conversion_timeout;
errno = 0;
if (!strcmp(filename, "/dev/stdin"))
fp = stdin;
else
fp = fopen(filename, "r");
if (fp == NULL) {
/* return quietly, as it's okay to specify a filelist file that doesn't
exist. In that case we create it on exit. */
Birte Kristina Friesel
committed
return(NULL);
}
for (; fgets(s, sizeof(s), fp);) {
s1[0] = '\0';
sscanf(s, "%[^\n]", (char *) &s1);
if (!(*s1) || (*s1 == '\n'))
continue;
D(("Got filename %s from filelist file\n", s1));
/* Add it to the new list */
list = gib_list_add_front(list, feh_file_new(s1));
}
if (strcmp(filename, "/dev/stdin"))
fclose(fp);
Birte Kristina Friesel
committed
return(list);
char *feh_absolute_path(char *path)
char cwd[PATH_MAX];
char fullpath[PATH_MAX];
char temp[PATH_MAX];
char *ret;
if (!path)
Birte Kristina Friesel
committed
return(NULL);
if (path[0] == '/' || path_is_url(path))
Birte Kristina Friesel
committed
return(estrdup(path));
/* This path is not relative. We're gonna convert it, so that a
filelist file can be saved anywhere and feh will still find the
images */
D(("Need to convert %s to an absolute form\n", path));
/* I SHOULD be able to just use a simple realpath() here, but dumb *
old Solaris's realpath doesn't return an absolute path if the
path you give it is relative. Linux and BSD get this right... */
Birte Kristina Friesel
committed
if (getcwd(cwd, sizeof(cwd)) == NULL)
eprintf("Cannot determine working directory:");
if ((size_t) snprintf(temp, sizeof(temp), "%s/%s", cwd, path) >= sizeof(temp))
eprintf("Absolute path for working directory was truncated");
if (realpath(temp, fullpath) != NULL) {
ret = estrdup(fullpath);
} else {
ret = estrdup(temp);
}
Birte Kristina Friesel
committed
return(ret);
}
void feh_save_filelist()
{
char *tmpname;
if (opt.output_dir) {
base_dir = estrjoin("", opt.output_dir, "/", NULL);
}
tmpname = feh_unique_filename(base_dir, "filelist");
if (opt.output_dir) {
free(base_dir);
}
fprintf(stderr, "saving filelist to filename '%s'\n", tmpname);
feh_write_filelist(filelist, tmpname);
free(tmpname);
Birte Kristina Friesel
committed
return;
#ifdef HAVE_LIBCURL
char *feh_http_unescape(char *url)
{
CURL *curl = curl_easy_init();
if (!curl) {
return NULL;
}
char *tmp_url = curl_easy_unescape(curl, url, 0, NULL);
char *new_url = estrdup(tmp_url);
curl_free(tmp_url);
curl_easy_cleanup(curl);
return new_url;
}
#else
char *feh_http_unescape(char *url)
{
return NULL;
}
#endif