From dc54981a68589c719937c82c36eeb9247d915a81 Mon Sep 17 00:00:00 2001 From: Bert Date: Fri, 8 Apr 2011 14:44:00 +0200 Subject: New option: -C, clean thumbnail cache --- main.c | 6 +++++ options.c | 8 ++++-- options.h | 1 + thumbs.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++------------ thumbs.h | 2 ++ 5 files changed, 83 insertions(+), 18 deletions(-) diff --git a/main.c b/main.c index 51d97d4..ada0574 100644 --- a/main.c +++ b/main.c @@ -104,6 +104,12 @@ int main(int argc, char **argv) { parse_options(argc, argv); + if (options->clean_cache) { + tns_init(&tns, 0); + tns_clear_cache(&tns); + exit(0); + } + if (!options->filecnt) { print_usage(); exit(1); diff --git a/options.c b/options.c index f5066f4..8105485 100644 --- a/options.c +++ b/options.c @@ -31,7 +31,7 @@ options_t _options; const options_t *options = (const options_t*) &_options; void print_usage() { - printf("usage: sxiv [-adFfhpqrstvZ] [-g GEOMETRY] [-z ZOOM] FILES...\n"); + printf("usage: sxiv [-aCdFfhpqrstvZ] [-g GEOMETRY] [-z ZOOM] FILES...\n"); } void print_version() { @@ -53,9 +53,10 @@ void parse_options(int argc, char **argv) { _options.all = 0; _options.quiet = 0; + _options.clean_cache = 0; _options.recursive = 0; - while ((opt = getopt(argc, argv, "adFfg:hpqrstvZz:")) != -1) { + while ((opt = getopt(argc, argv, "aCdFfg:hpqrstvZz:")) != -1) { switch (opt) { case '?': print_usage(); @@ -63,6 +64,9 @@ void parse_options(int argc, char **argv) { case 'a': _options.all = 1; break; + case 'C': + _options.clean_cache = 1; + break; case 'd': _options.scalemode = SCALE_DOWN; break; diff --git a/options.h b/options.h index c32b50a..b7b8ba5 100644 --- a/options.h +++ b/options.h @@ -37,6 +37,7 @@ typedef struct { unsigned char all; unsigned char quiet; + unsigned char clean_cache; unsigned char recursive; } options_t; diff --git a/thumbs.c b/thumbs.c index 2e28908..abcfaaa 100644 --- a/thumbs.c +++ b/thumbs.c @@ -71,7 +71,10 @@ Imlib_Image* tns_cache_load(const char *filename) { struct stat cstats, fstats; Imlib_Image *im = NULL; - if (!filename || stat(filename, &fstats)) + if (!filename) + return NULL; + + if (stat(filename, &fstats)) return NULL; if ((cfile = tns_cache_filename(filename))) { @@ -97,6 +100,7 @@ void tns_cache_write(thumb_t *t, Bool force) { if (!t || !t->im || !t->filename) return; + if (stat(t->filename, &fstats)) return; @@ -130,6 +134,40 @@ void tns_cache_write(thumb_t *t, Bool force) { } } +void tns_clear_cache(tns_t *tns) { + int dirlen, delete; + char *cfile, *filename, *tpos; + r_dir_t dir; + + if (!cache_dir) + return; + + if (r_opendir(&dir, cache_dir)) { + warn("could not open thumbnail cache directory: %s", cache_dir); + return; + } + + dirlen = strlen(cache_dir); + + while ((cfile = r_readdir(&dir))) { + filename = cfile + dirlen; + delete = 0; + + if ((tpos = strrchr(filename, '.'))) { + *tpos = '\0'; + delete = access(filename, F_OK); + *tpos = '.'; + } + + if (delete && unlink(cfile)) + warn("could not delete cache file: %s", cfile); + + free(cfile); + } + + r_closedir(&dir); +} + void tns_init(tns_t *tns, int cnt) { int len; @@ -138,9 +176,14 @@ void tns_init(tns_t *tns, int cnt) { if (!tns) return; + if (cnt) { + tns->thumbs = (thumb_t*) s_malloc(cnt * sizeof(thumb_t)); + memset(tns->thumbs, 0, cnt * sizeof(thumb_t)); + } else { + tns->thumbs = NULL; + } + tns->cnt = tns->first = tns->sel = 0; - tns->thumbs = (thumb_t*) s_malloc(cnt * sizeof(thumb_t)); - memset(tns->thumbs, 0, cnt * sizeof(thumb_t)); tns->cap = cnt; tns->dirty = 0; @@ -150,25 +193,28 @@ void tns_init(tns_t *tns, int cnt) { len = strlen(homedir) + 10; cache_dir = (char*) s_malloc(len * sizeof(char)); snprintf(cache_dir, len, "%s/.sxiv", homedir); + } else { + warn("could not locate thumbnail cache directory"); } } void tns_free(tns_t *tns, win_t *win) { int i; - if (!tns || !tns->thumbs) + if (!tns) return; - for (i = 0; i < tns->cnt; ++i) { - if (tns->thumbs[i].im) { - imlib_context_set_image(tns->thumbs[i].im); - imlib_free_image(); + if (tns->thumbs) { + for (i = 0; i < tns->cnt; ++i) { + if (tns->thumbs[i].im) { + imlib_context_set_image(tns->thumbs[i].im); + imlib_free_image(); + } } + free(tns->thumbs); + tns->thumbs = NULL; } - free(tns->thumbs); - tns->thumbs = NULL; - if (cache_dir) { free(cache_dir); cache_dir = NULL; @@ -182,7 +228,7 @@ void tns_load(tns_t *tns, win_t *win, int n, const char *filename) { thumb_t *t; Imlib_Image *im; - if (!tns || !win || !filename) + if (!tns || !tns->thumbs || !win || !filename) return; if (n >= tns->cap) @@ -265,7 +311,10 @@ void tns_render(tns_t *tns, win_t *win) { int i, cnt, r, x, y; thumb_t *t; - if (!tns || !tns->dirty || !win) + if (!tns || !tns->thumbs || !win) + return; + + if (!tns->dirty) return; win_clear(win); @@ -313,7 +362,7 @@ void tns_highlight(tns_t *tns, win_t *win, int n, Bool hl) { thumb_t *t; unsigned long col; - if (!tns || !win) + if (!tns || !tns->thumbs || !win) return; if (n >= 0 && n < tns->cnt) { @@ -336,7 +385,7 @@ void tns_highlight(tns_t *tns, win_t *win, int n, Bool hl) { int tns_move_selection(tns_t *tns, win_t *win, tnsdir_t dir) { int old; - if (!tns || !win) + if (!tns || !tns->thumbs || !win) return 0; old = tns->sel; @@ -395,7 +444,10 @@ int tns_translate(tns_t *tns, int x, int y) { int n; thumb_t *t; - if (!tns || x < tns->x || y < tns->y) + if (!tns || !tns->thumbs) + return -1; + + if (x < tns->x || y < tns->y) return -1; n = tns->first + (y - tns->y) / thumb_dim * tns->cols + diff --git a/thumbs.h b/thumbs.h index 60e7e7b..4a8af09 100644 --- a/thumbs.h +++ b/thumbs.h @@ -52,6 +52,8 @@ typedef struct { unsigned char dirty; } tns_t; +void tns_clear_cache(tns_t*); + void tns_init(tns_t*, int); void tns_free(tns_t*, win_t*); -- cgit v1.2.3