X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=fc-cache%2Ffc-cache.c;h=f20d3a7c07203903d0aa5336b27450c075252860;hb=9b511b290548ad2920cda94507a3311efc461e8a;hp=92f53fc483de9a9e9957591fb92e81df5c84e0b2;hpb=ad07dcf486fe476ffccaa0d91df3836bfa4f4bd8;p=fontconfig.git diff --git a/fc-cache/fc-cache.c b/fc-cache/fc-cache.c index 92f53fc..f20d3a7 100644 --- a/fc-cache/fc-cache.c +++ b/fc-cache/fc-cache.c @@ -1,7 +1,7 @@ /* - * $XFree86: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.5 2002/06/19 20:55:19 keithp Exp $ + * $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $ * - * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. + * Copyright © 2002 Keith Packard * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that @@ -22,12 +22,6 @@ * PERFORMANCE OF THIS SOFTWARE. */ -#include -#include -#include -#include -#include -#include #ifdef HAVE_CONFIG_H #include #else @@ -37,6 +31,27 @@ #define HAVE_GETOPT 1 #endif +#include "fcint.h" +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined (_WIN32) +#define STRICT +#include +#define sleep(x) Sleep((x) * 1000) +#undef STRICT +#endif + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + #ifndef HAVE_GETOPT #define HAVE_GETOPT 0 #endif @@ -50,6 +65,8 @@ #include const struct option longopts[] = { {"force", 0, 0, 'f'}, + {"really-force", 0, 0, 'r'}, + {"system-only", 0, 0, 's'}, {"version", 0, 0, 'V'}, {"verbose", 0, 0, 'v'}, {"help", 0, 0, '?'}, @@ -65,18 +82,36 @@ extern int optind, opterr, optopt; static void usage (char *program) { - fprintf (stderr, "usage: %s [-fvV?] [--force] [--verbose] [--version] [--help] [dirs]\n", +#if HAVE_GETOPT_LONG + fprintf (stderr, "usage: %s [-frsvV?] [--force|--really-force] [--system-only] [--verbose] [--version] [--help] [dirs]\n", + program); +#else + fprintf (stderr, "usage: %s [-frsvV?] [dirs]\n", program); +#endif fprintf (stderr, "Build font information caches in [dirs]\n" "(all directories in font configuration by default).\n"); fprintf (stderr, "\n"); - fprintf (stderr, " -v, --force scan directories with apparently valid caches\n"); +#if HAVE_GETOPT_LONG + fprintf (stderr, " -f, --force scan directories with apparently valid caches\n"); + fprintf (stderr, " -r, --really-force erase all existing caches, then rescan\n"); + fprintf (stderr, " -s, --system-only scan system-wide directories only\n"); fprintf (stderr, " -v, --verbose display status information while busy\n"); fprintf (stderr, " -V, --version display font config version and exit\n"); fprintf (stderr, " -?, --help display this help and exit\n"); +#else + fprintf (stderr, " -f (force) scan directories with apparently valid caches\n"); + fprintf (stderr, " -r, (really force) erase all existing caches, then rescan\n"); + fprintf (stderr, " -s (system) scan system-wide directories only\n"); + fprintf (stderr, " -v (verbose) display status information while busy\n"); + fprintf (stderr, " -V (version) display font config version and exit\n"); + fprintf (stderr, " -? (help) display this help and exit\n"); +#endif exit (1); } +static FcStrSet *processed_dirs; + static int nsubdirs (FcStrSet *set) { @@ -93,14 +128,17 @@ nsubdirs (FcStrSet *set) } static int -scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool verbose) +scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose) { int ret = 0; - FcChar8 *dir; + const FcChar8 *dir; FcFontSet *set; FcStrSet *subdirs; FcStrList *sublist; + FcCache *cache; struct stat statb; + FcBool was_valid; + int i; /* * Now scan all of the directories into separate databases @@ -110,36 +148,51 @@ scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool { if (verbose) { - printf ("%s: \"%s\": ", program, dir); + printf ("%s: ", dir); fflush (stdout); } - set = FcFontSetCreate (); - if (!set) + + if (!dir) { - fprintf (stderr, "Can't create font set\n"); - ret++; + if (verbose) + printf ("skipping, no such directory\n"); continue; } - subdirs = FcStrSetCreate (); - if (!subdirs) + + if (FcStrSetMember (processed_dirs, dir)) { - fprintf (stderr, "Can't create directory set\n"); - ret++; + if (verbose) + printf ("skipping, looped directory detected\n"); continue; } - - if (stat ((char *) dir, &statb) == -1) + + if (access ((char *) dir, W_OK) < 0) { - if (errno == ENOENT || errno == ENOTDIR) - { - fprintf (stderr, "\"%s\": no such directory, skipping\n", dir); - } - else - { + switch (errno) { + case ENOENT: + case ENOTDIR: + if (verbose) + printf ("skipping, no such directory\n"); + continue; + case EACCES: + case EROFS: + /* That's ok, caches go to /var anyway. */ + /* Ideally we'd do an access on the hashed_name. */ + /* But we hid that behind an abstraction barrier. */ + break; + default: fprintf (stderr, "\"%s\": ", dir); perror (""); ret++; + + continue; } + } + if (stat ((char *) dir, &statb) == -1) + { + fprintf (stderr, "\"%s\": ", dir); + perror (""); + ret++; continue; } if (!S_ISDIR (statb.st_mode)) @@ -147,44 +200,190 @@ scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool fprintf (stderr, "\"%s\": not a directory, skipping\n", dir); continue; } - if (!FcDirScan (set, subdirs, 0, FcConfigGetBlanks (config), dir, force)) + + if (really_force) + FcDirCacheUnlink (dir, config); + + cache = NULL; + was_valid = FcFalse; + if (!force) { + cache = FcDirCacheLoad (dir, config, NULL); + if (cache) + was_valid = FcTrue; + } + + if (!cache) { - fprintf (stderr, "\"%s\": error scanning\n", dir); - ret++; - continue; + cache = FcDirCacheRead (dir, FcTrue, config); + if (!cache) + { + fprintf (stderr, "%s: error scanning\n", dir); + ret++; + continue; + } } - if (!force && FcDirCacheValid (dir)) + + set = FcCacheSet (cache); + + if (was_valid) { if (verbose) printf ("skipping, %d fonts, %d dirs\n", - set->nfont, nsubdirs(subdirs)); + set->nfont, cache->dirs_count); } else { if (verbose) printf ("caching, %d fonts, %d dirs\n", - set->nfont, nsubdirs (subdirs)); - if (!FcDirSave (set, subdirs, dir)) + set->nfont, cache->dirs_count); + + if (!FcDirCacheValid (dir)) { - fprintf (stderr, "Can't save cache in \"%s\"\n", dir); + fprintf (stderr, "%s: failed to write cache\n", dir); + (void) FcDirCacheUnlink (dir, config); ret++; } } - FcFontSetDestroy (set); + + subdirs = FcStrSetCreate (); + if (!subdirs) + { + fprintf (stderr, "%s: Can't create subdir set\n", dir); + ret++; + FcDirCacheUnload (cache); + continue; + } + for (i = 0; i < cache->dirs_count; i++) + FcStrSetAdd (subdirs, FcCacheSubdir (cache, i)); + + FcDirCacheUnload (cache); + sublist = FcStrListCreate (subdirs); + FcStrSetDestroy (subdirs); if (!sublist) { - fprintf (stderr, "Can't create subdir list in \"%s\"\n", dir); + fprintf (stderr, "%s: Can't create subdir list\n", dir); ret++; + FcDirCacheUnload (cache); continue; } - ret += scanDirs (sublist, config, program, force, verbose); - FcStrSetDestroy (subdirs); + FcStrSetAdd (processed_dirs, dir); + ret += scanDirs (sublist, config, force, really_force, verbose); } FcStrListDone (list); return ret; } +static FcBool +cleanCacheDirectory (FcConfig *config, FcChar8 *dir, FcBool verbose) +{ + DIR *d; + struct dirent *ent; + char *dir_base; + FcBool ret = FcTrue; + FcBool remove; + FcCache *cache; + struct stat file_stat; + struct stat target_stat; + + dir_base = FcStrPlus (dir, "/"); + if (!dir_base) + { + fprintf (stderr, "%s: out of memory\n", dir); + return FcFalse; + } + if (access ((char *) dir, W_OK|X_OK) != 0) + { + if (verbose) + printf ("%s: not cleaning unwritable cache directory\n", dir); + FcStrFree (dir_base); + return FcTrue; + } + if (verbose) + printf ("%s: cleaning cache directory\n", dir); + d = opendir (dir); + if (!d) + { + perror (dir); + FcStrFree (dir_base); + return FcFalse; + } + while ((ent = readdir (d))) + { + FcChar8 *file_name; + FcChar8 *target_dir; + + if (ent->d_name[0] == '.') + continue; + file_name = FcStrPlus (dir_base, ent->d_name); + if (!file_name) + { + fprintf (stderr, "%s: allocation failure\n", dir); + ret = FcFalse; + break; + } + cache = FcDirCacheLoadFile (file_name, &file_stat); + if (!cache) + { + fprintf (stderr, "%s: invalid cache file: %s\n", dir, ent->d_name); + FcStrFree (file_name); + ret = FcFalse; + continue; + } + target_dir = FcCacheDir (cache); + remove = FcFalse; + if (stat (target_dir, &target_stat) < 0) + { + if (verbose) + printf ("%s: %s: missing directory: %s \n", + dir, ent->d_name, target_dir); + remove = FcTrue; + } + else if (target_stat.st_mtime > file_stat.st_mtime) + { + if (verbose) + printf ("%s: %s: cache outdated: %s\n", + dir, ent->d_name, target_dir); + remove = FcTrue; + } + if (remove) + { + if (unlink (file_name) < 0) + { + perror (file_name); + ret = FcFalse; + } + } + FcDirCacheUnload (cache); + FcStrFree (file_name); + } + + closedir (d); + FcStrFree (dir_base); + return ret; +} + +static FcBool +cleanCacheDirectories (FcConfig *config, FcBool verbose) +{ + FcStrList *cache_dirs = FcConfigGetCacheDirs (config); + FcChar8 *cache_dir; + FcBool ret = FcTrue; + + if (!cache_dirs) + return FcFalse; + while ((cache_dir = FcStrListNext (cache_dirs))) + { + if (!cleanCacheDirectory (config, cache_dir, verbose)) + { + ret = FcFalse; + break; + } + } + FcStrListDone (cache_dirs); + return ret; +} + int main (int argc, char **argv) { @@ -192,6 +391,8 @@ main (int argc, char **argv) FcStrList *list; FcBool verbose = FcFalse; FcBool force = FcFalse; + FcBool really_force = FcFalse; + FcBool systemOnly = FcFalse; FcConfig *config; int i; int ret; @@ -199,15 +400,21 @@ main (int argc, char **argv) int c; #if HAVE_GETOPT_LONG - while ((c = getopt_long (argc, argv, "fVv?", longopts, NULL)) != -1) + while ((c = getopt_long (argc, argv, "frsVv?", longopts, NULL)) != -1) #else - while ((c = getopt (argc, argv, "fVv?")) != -1) + while ((c = getopt (argc, argv, "frsVv?")) != -1) #endif { switch (c) { + case 'r': + really_force = FcTrue; + /* fall through */ case 'f': force = FcTrue; break; + case 's': + systemOnly = FcTrue; + break; case 'V': fprintf (stderr, "fontconfig version %d.%d.%d\n", FC_MAJOR, FC_MINOR, FC_REVISION); @@ -224,12 +431,16 @@ main (int argc, char **argv) i = 1; #endif + if (systemOnly) + FcConfigEnableHome (FcFalse); config = FcInitLoadConfig (); if (!config) { fprintf (stderr, "%s: Can't init font config library\n", argv[0]); return 1; } + FcConfigSetCurrent (config); + if (argv[i]) { dirs = FcStrSetCreate (); @@ -241,7 +452,7 @@ main (int argc, char **argv) } while (argv[i]) { - if (!FcStrSetAdd (dirs, (FcChar8 *) argv[i])) + if (!FcStrSetAddFilename (dirs, (FcChar8 *) argv[i])) { fprintf (stderr, "%s: Can't add directory\n", argv[0]); return 1; @@ -253,7 +464,27 @@ main (int argc, char **argv) } else list = FcConfigGetConfigDirs (config); - ret = scanDirs (list, config, argv[0], force, verbose); + + if ((processed_dirs = FcStrSetCreate()) == NULL) { + fprintf(stderr, "Cannot malloc\n"); + return 1; + } + + ret = scanDirs (list, config, force, really_force, verbose); + + FcStrSetDestroy (processed_dirs); + + cleanCacheDirectories (config, verbose); + + /* + * Now we need to sleep a second (or two, to be extra sure), to make + * sure that timestamps for changes after this run of fc-cache are later + * then any timestamps we wrote. We don't use gettimeofday() because + * sleep(3) can't be interrupted by a signal here -- this isn't in the + * library, and there aren't any signals flying around here. + */ + FcConfigDestroy (config); + sleep (2); if (verbose) printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded"); return ret;