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Diffstat (limited to 'nx-X11/lib/Xft1/xftcache.c')
-rw-r--r--nx-X11/lib/Xft1/xftcache.c608
1 files changed, 0 insertions, 608 deletions
diff --git a/nx-X11/lib/Xft1/xftcache.c b/nx-X11/lib/Xft1/xftcache.c
deleted file mode 100644
index 13e20a92b..000000000
--- a/nx-X11/lib/Xft1/xftcache.c
+++ /dev/null
@@ -1,608 +0,0 @@
-/*
- * $XFree86: xc/lib/Xft/xftcache.c,v 1.2 2001/06/11 22:53:30 keithp Exp $
- *
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "xftint.h"
-
-typedef struct _XftFileCacheEnt {
- struct _XftFileCacheEnt *next;
- unsigned int hash;
- char *file;
- int id;
- time_t time;
- char *name;
- Bool referenced;
-} XftFileCacheEnt;
-
-#define HASH_SIZE 509
-
-typedef struct _XftFileCache {
- XftFileCacheEnt *ents[HASH_SIZE];
- Bool updated;
- int entries;
- int referenced;
-} XftFileCache;
-
-static XftFileCache _XftFileCache;
-
-static unsigned int
-_XftFileCacheHash (char *string)
-{
- unsigned int h = 0;
- char c;
-
- while ((c = *string++))
- h = (h << 1) ^ c;
- return h;
-}
-
-char *
-XftFileCacheFind (char *file, int id, int *count)
-{
- XftFileCache *cache;
- unsigned int hash;
- char *match;
- XftFileCacheEnt *c, *name;
- int maxid;
- struct stat statb;
-
- cache = &_XftFileCache;
- match = file;
-
- hash = _XftFileCacheHash (match);
- name = 0;
- maxid = -1;
- for (c = cache->ents[hash % HASH_SIZE]; c; c = c->next)
- {
- if (c->hash == hash && !strcmp (match, c->file))
- {
- if (c->id > maxid)
- maxid = c->id;
- if (c->id == id)
- {
- if (stat (file, &statb) < 0)
- {
- if (_XftFontDebug () & XFT_DBG_CACHE)
- printf (" file missing\n");
- return 0;
- }
- if (statb.st_mtime != c->time)
- {
- if (_XftFontDebug () & XFT_DBG_CACHE)
- printf (" timestamp mismatch (was %d is %d)\n",
- (int) c->time, (int) statb.st_mtime);
- return 0;
- }
- if (!c->referenced)
- {
- cache->referenced++;
- c->referenced = True;
- }
- name = c;
- }
- }
- }
- if (!name)
- return 0;
- *count = maxid + 1;
- return name->name;
-}
-
-/*
- * Cache file syntax is quite simple:
- *
- * "file_name" id time "font_name" \n
- */
-
-static Bool
-_XftFileCacheReadString (FILE *f, char *dest, int len)
-{
- int c;
- Bool escape;
-
- while ((c = getc (f)) != EOF)
- if (c == '"')
- break;
- if (c == EOF)
- return False;
- if (len == 0)
- return False;
-
- escape = False;
- while ((c = getc (f)) != EOF)
- {
- if (!escape)
- {
- switch (c) {
- case '"':
- *dest++ = '\0';
- return True;
- case '\\':
- escape = True;
- continue;
- }
- }
- if (--len <= 1)
- return False;
- *dest++ = c;
- escape = False;
- }
- return False;
-}
-
-static Bool
-_XftFileCacheReadUlong (FILE *f, unsigned long *dest)
-{
- unsigned long t;
- int c;
-
- while ((c = getc (f)) != EOF)
- {
- if (!isspace (c))
- break;
- }
- if (c == EOF)
- return False;
- t = 0;
- for (;;)
- {
- if (c == EOF || isspace (c))
- break;
- if (!isdigit (c))
- return False;
- t = t * 10 + (c - '0');
- c = getc (f);
- }
- *dest = t;
- return True;
-}
-
-static Bool
-_XftFileCacheReadInt (FILE *f, int *dest)
-{
- unsigned long t;
- Bool ret;
-
- ret = _XftFileCacheReadUlong (f, &t);
- if (ret)
- *dest = (int) t;
- return ret;
-}
-
-static Bool
-_XftFileCacheReadTime (FILE *f, time_t *dest)
-{
- unsigned long t;
- Bool ret;
-
- ret = _XftFileCacheReadUlong (f, &t);
- if (ret)
- *dest = (time_t) t;
- return ret;
-}
-
-static Bool
-_XftFileCacheAdd (XftFileCache *cache,
- char *file,
- int id,
- time_t time,
- char *name,
- Bool replace)
-{
- XftFileCacheEnt *c;
- XftFileCacheEnt **prev, *old;
- unsigned int hash;
-
- if (_XftFontDebug () & XFT_DBG_CACHE)
- {
- printf ("%s face %s/%d as %s\n", replace ? "Replace" : "Add",
- file, id, name);
- }
- hash = _XftFileCacheHash (file);
- for (prev = &cache->ents[hash % HASH_SIZE];
- (old = *prev);
- prev = &(*prev)->next)
- {
- if (old->hash == hash && old->id == id && !strcmp (old->file, file))
- break;
- }
- if (*prev)
- {
- if (!replace)
- return False;
-
- old = *prev;
- if (old->referenced)
- cache->referenced--;
- *prev = old->next;
- free (old);
- cache->entries--;
- }
-
- c = malloc (sizeof (XftFileCacheEnt) +
- strlen (file) + 1 +
- strlen (name) + 1);
- if (!c)
- return False;
- c->next = *prev;
- *prev = c;
- c->hash = hash;
- c->file = (char *) (c + 1);
- c->id = id;
- c->name = c->file + strlen (file) + 1;
- strcpy (c->file, file);
- c->time = time;
- c->referenced = replace;
- strcpy (c->name, name);
- cache->entries++;
- return True;
-}
-
-void
-XftFileCacheDispose (void)
-{
- XftFileCache *cache;
- XftFileCacheEnt *c, *next;
- int h;
-
- cache = &_XftFileCache;
-
- for (h = 0; h < HASH_SIZE; h++)
- {
- for (c = cache->ents[h]; c; c = next)
- {
- next = c->next;
- free (c);
- }
- cache->ents[h] = 0;
- }
- cache->entries = 0;
- cache->referenced = 0;
- cache->updated = False;
-}
-
-void
-XftFileCacheLoad (char *cache_file)
-{
- XftFileCache *cache;
- FILE *f;
- char file[8192];
- int id;
- time_t time;
- char name[8192];
-
- f = fopen (cache_file, "r");
- if (!f)
- return;
-
- cache = &_XftFileCache;
-
- cache->updated = False;
- while (_XftFileCacheReadString (f, file, sizeof (file)) &&
- _XftFileCacheReadInt (f, &id) &&
- _XftFileCacheReadTime (f, &time) &&
- _XftFileCacheReadString (f, name, sizeof (name)))
- {
- (void) _XftFileCacheAdd (cache, file, id, time, name, False);
- }
- fclose (f);
-}
-
-Bool
-XftFileCacheUpdate (char *file, int id, char *name)
-{
- XftFileCache *cache;
- char *match;
- struct stat statb;
- Bool ret;
-
- cache = &_XftFileCache;
- match = file;
-
- if (stat (file, &statb) < 0)
- return False;
- ret = _XftFileCacheAdd (cache, match, id,
- statb.st_mtime, name, True);
- if (ret)
- cache->updated = True;
- return ret;
-}
-
-static Bool
-_XftFileCacheWriteString (FILE *f, char *string)
-{
- char c;
-
- if (putc ('"', f) == EOF)
- return False;
- while ((c = *string++))
- {
- switch (c) {
- case '"':
- case '\\':
- if (putc ('\\', f) == EOF)
- return False;
- /* fall through */
- default:
- if (putc (c, f) == EOF)
- return False;
- }
- }
- if (putc ('"', f) == EOF)
- return False;
- return True;
-}
-
-static Bool
-_XftFileCacheWriteUlong (FILE *f, unsigned long t)
-{
- int pow;
- unsigned long temp, digit;
-
- temp = t;
- pow = 1;
- while (temp >= 10)
- {
- temp /= 10;
- pow *= 10;
- }
- temp = t;
- while (pow)
- {
- digit = temp / pow;
- if (putc ((char) digit + '0', f) == EOF)
- return False;
- temp = temp - pow * digit;
- pow = pow / 10;
- }
- return True;
-}
-
-static Bool
-_XftFileCacheWriteInt (FILE *f, int i)
-{
- return _XftFileCacheWriteUlong (f, (unsigned long) i);
-}
-
-static Bool
-_XftFileCacheWriteTime (FILE *f, time_t t)
-{
- return _XftFileCacheWriteUlong (f, (unsigned long) t);
-}
-
-Bool
-XftFileCacheSave (char *cache_file)
-{
- XftFileCache *cache;
- char *lck;
- char *tmp;
- FILE *f;
- int h;
- XftFileCacheEnt *c;
-
- cache = &_XftFileCache;
-
- if (!cache->updated && cache->referenced == cache->entries)
- return True;
-
- lck = malloc (strlen (cache_file)*2 + 4);
- if (!lck)
- goto bail0;
- tmp = lck + strlen (cache_file) + 2;
- strcpy (lck, cache_file);
- strcat (lck, "L");
- strcpy (tmp, cache_file);
- strcat (tmp, "T");
- if (link (lck, cache_file) < 0 && errno != ENOENT)
- goto bail1;
- if (access (tmp, F_OK) == 0)
- goto bail2;
- f = fopen (tmp, "w");
- if (!f)
- goto bail2;
-
- for (h = 0; h < HASH_SIZE; h++)
- {
- for (c = cache->ents[h]; c; c = c->next)
- {
- if (!c->referenced)
- continue;
- if (!_XftFileCacheWriteString (f, c->file))
- goto bail4;
- if (putc (' ', f) == EOF)
- goto bail4;
- if (!_XftFileCacheWriteInt (f, c->id))
- goto bail4;
- if (putc (' ', f) == EOF)
- goto bail4;
- if (!_XftFileCacheWriteTime (f, c->time))
- goto bail4;
- if (putc (' ', f) == EOF)
- goto bail4;
- if (!_XftFileCacheWriteString (f, c->name))
- goto bail4;
- if (putc ('\n', f) == EOF)
- goto bail4;
- }
- }
-
- if (fclose (f) == EOF)
- goto bail3;
-
- if (rename (tmp, cache_file) < 0)
- goto bail3;
-
- unlink (lck);
- cache->updated = False;
- return True;
-
-bail4:
- fclose (f);
-bail3:
- unlink (tmp);
-bail2:
- unlink (lck);
-bail1:
- free (lck);
-bail0:
- return False;
-}
-
-Bool
-XftFileCacheReadDir (XftFontSet *set, const char *cache_file)
-{
- XftPattern *font;
- FILE *f;
- char *path;
- char *base;
- char file[8192];
- int id;
- char name[8192];
- Bool ret = False;
-
- if (_XftFontDebug () & XFT_DBG_CACHE)
- {
- printf ("XftFileCacheReadDir cache_file \"%s\"\n", cache_file);
- }
-
- f = fopen (cache_file, "r");
- if (!f)
- {
- if (_XftFontDebug () & XFT_DBG_CACHE)
- {
- printf (" no cache file\n");
- }
- goto bail0;
- }
-
- base = strrchr (cache_file, '/');
- if (!base)
- goto bail1;
- base++;
- path = malloc (base - cache_file + 8192 + 1);
- if (!path)
- goto bail1;
- memcpy (path, cache_file, base - cache_file);
- base = path + (base - cache_file);
-
- while (_XftFileCacheReadString (f, file, sizeof (file)) &&
- _XftFileCacheReadInt (f, &id) &&
- _XftFileCacheReadString (f, name, sizeof (name)))
- {
- font = XftNameParse (name);
- if (font)
- {
- strcpy (base, file);
- if (_XftFontDebug () & XFT_DBG_CACHEV)
- {
- printf (" dir cache file \"%s\"\n", file);
- }
- XftPatternAddString (font, XFT_FILE, path);
- if (!XftFontSetAdd (set, font))
- goto bail2;
- }
- }
- if (_XftFontDebug () & XFT_DBG_CACHE)
- {
- printf (" cache loaded\n");
- }
-
- ret = True;
-bail2:
- free (path);
-bail1:
- fclose (f);
-bail0:
- return ret;
-}
-
-Bool
-XftFileCacheWriteDir (XftFontSet *set, const char *cache_file)
-{
- XftPattern *font;
- FILE *f;
- char name[8192];
- char *file, *base;
- int n;
- int id;
-
- if (_XftFontDebug () & XFT_DBG_CACHE)
- printf ("XftFileCacheWriteDir cache_file \"%s\"\n", cache_file);
-
- f = fopen (cache_file, "w");
- if (!f)
- {
- if (_XftFontDebug () & XFT_DBG_CACHE)
- printf (" can't create \"%s\"\n", cache_file);
- goto bail0;
- }
- for (n = 0; n < set->nfont; n++)
- {
- font = set->fonts[n];
- if (XftPatternGetString (font, XFT_FILE, 0, &file) != XftResultMatch)
- goto bail1;
- base = strrchr (file, '/');
- if (base)
- base = base + 1;
- else
- base = file;
- if (XftPatternGetInteger (font, XFT_INDEX, 0, &id) != XftResultMatch)
- goto bail1;
- if (!XftNameUnparse (font, name, sizeof (name)))
- goto bail1;
- if (_XftFontDebug () & XFT_DBG_CACHEV)
- printf (" write file \"%s\"\n", base);
- if (!_XftFileCacheWriteString (f, base))
- goto bail1;
- if (putc (' ', f) == EOF)
- goto bail1;
- if (!_XftFileCacheWriteInt (f, id))
- goto bail1;
- if (putc (' ', f) == EOF)
- goto bail1;
- if (!_XftFileCacheWriteString (f, name))
- goto bail1;
- if (putc ('\n', f) == EOF)
- goto bail1;
- }
- if (fclose (f) == EOF)
- goto bail0;
-
- if (_XftFontDebug () & XFT_DBG_CACHE)
- printf (" cache written\n");
- return True;
-
-bail1:
- fclose (f);
-bail0:
- unlink (cache_file);
- return False;
-}
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