diff options
Diffstat (limited to 'fontconfig/src')
| -rw-r--r-- | fontconfig/src/fccache.c | 91 | ||||
| -rw-r--r-- | fontconfig/src/fcint.h | 2 |
2 files changed, 93 insertions, 0 deletions
diff --git a/fontconfig/src/fccache.c b/fontconfig/src/fccache.c index 343ece9a7..b7ba1fd1e 100644 --- a/fontconfig/src/fccache.c +++ b/fontconfig/src/fccache.c @@ -1020,6 +1020,97 @@ FcDirCacheWrite (FcCache *cache, FcConfig *config) return FcFalse; } +FcBool +FcDirCacheClean (const FcChar8 *cache_dir, FcBool verbose) +{ + DIR *d; + struct dirent *ent; + FcChar8 *dir_base; + FcBool ret = FcTrue; + FcBool remove; + FcCache *cache; + struct stat target_stat; + + dir_base = FcStrPlus (cache_dir, (FcChar8 *) FC_DIR_SEPARATOR_S); + if (!dir_base) + { + fprintf (stderr, "Fontconfig error: %s: out of memory\n", cache_dir); + return FcFalse; + } + if (access ((char *) cache_dir, W_OK) != 0) + { + if (verbose || FcDebug () & FC_DBG_CACHE) + printf ("%s: not cleaning %s cache directory\n", cache_dir, + access ((char *) cache_dir, F_OK) == 0 ? "unwritable" : "non-existent"); + goto bail0; + } + if (verbose || FcDebug () & FC_DBG_CACHE) + printf ("%s: cleaning cache directory\n", cache_dir); + d = opendir ((char *) cache_dir); + if (!d) + { + perror ((char *) cache_dir); + ret = FcFalse; + goto bail0; + } + while ((ent = readdir (d))) + { + FcChar8 *file_name; + const FcChar8 *target_dir; + + if (ent->d_name[0] == '.') + continue; + /* skip cache files for different architectures and */ + /* files which are not cache files at all */ + if (strlen(ent->d_name) != 32 + strlen ("-" FC_ARCHITECTURE FC_CACHE_SUFFIX) || + strcmp(ent->d_name + 32, "-" FC_ARCHITECTURE FC_CACHE_SUFFIX)) + continue; + + file_name = FcStrPlus (dir_base, (FcChar8 *) ent->d_name); + if (!file_name) + { + fprintf (stderr, "Fontconfig error: %s: allocation failure\n", cache_dir); + ret = FcFalse; + break; + } + remove = FcFalse; + cache = FcDirCacheLoadFile (file_name, NULL); + if (!cache) + { + if (verbose || FcDebug () & FC_DBG_CACHE) + printf ("%s: invalid cache file: %s\n", cache_dir, ent->d_name); + remove = FcTrue; + } + else + { + target_dir = FcCacheDir (cache); + if (stat ((char *) target_dir, &target_stat) < 0) + { + if (verbose || FcDebug () & FC_DBG_CACHE) + printf ("%s: %s: missing directory: %s \n", + cache_dir, ent->d_name, target_dir); + remove = FcTrue; + } + } + if (remove) + { + if (unlink ((char *) file_name) < 0) + { + perror ((char *) file_name); + ret = FcFalse; + } + } + FcDirCacheUnload (cache); + FcStrFree (file_name); + } + + closedir (d); + bail0: + FcStrFree (dir_base); + + return ret; +} + /* * Hokey little macro trick to permit the definitions of C functions * with the same name as CPP macros diff --git a/fontconfig/src/fcint.h b/fontconfig/src/fcint.h index 0dfc23659..ba4b388ea 100644 --- a/fontconfig/src/fcint.h +++ b/fontconfig/src/fcint.h @@ -64,8 +64,10 @@ typedef HRESULT (WINAPI *pfnSHGetFolderPathA)(HWND, int, HANDLE, DWORD, LPSTR); extern pfnGetSystemWindowsDirectory pGetSystemWindowsDirectory; extern pfnSHGetFolderPathA pSHGetFolderPathA; # define FC_SEARCH_PATH_SEPARATOR ';' +# define FC_DIR_SEPARATOR_S "\\" #else # define FC_SEARCH_PATH_SEPARATOR ':' +# define FC_DIR_SEPARATOR_S "/" #endif #define FC_DBG_MATCH 1 |