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Append version number to cache file names

This commit is contained in:
Keith Packard 2002-08-26 19:57:40 +00:00
parent 0f9a306e71
commit f21f40f347
4 changed files with 22 additions and 9 deletions
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18
fontconfig/fontconfig.h
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@ -1,5 +1,5 @@
/*
* $XFree86: xc/lib/fontconfig/fontconfig/fontconfig.h,v 1.26 2002/08/19 19:32:04 keithp Exp $
* $XFree86: xc/lib/fontconfig/fontconfig/fontconfig.h,v 1.28 2002/08/24 20:08:53 keithp Exp $
*
* Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
*
@ -41,6 +41,18 @@ typedef int FcBool;
#define FC_VERSION ((FC_MAJOR * 10000) + (FC_MINOR * 100) + (FC_REVISION))
/*
* Current font cache file format version
* This is appended to the cache files so that multiple
* versions of the library will peacefully coexist
*
* Change this value whenever the disk format for the cache file
* changes in any non-compatible way. Try to avoid such changes as
* it means multiple copies of the font information.
*/
#define FC_CACHE_VERSION "1"
#define FcTrue 1
#define FcFalse 0
@ -72,8 +84,8 @@ typedef int FcBool;
#define FC_CHARSET "charset" /* CharSet */
#define FC_LANG "lang" /* String OS/2 CodePageRange */
#define FC_DIR_CACHE_FILE "fonts.cache"
#define FC_USER_CACHE_FILE ".fonts.cache"
#define FC_DIR_CACHE_FILE "fonts.cache-"FC_CACHE_VERSION
#define FC_USER_CACHE_FILE ".fonts.cache-"FC_CACHE_VERSION
/* Adjust outline rasterizer */
#define FC_CHAR_WIDTH "charwidth" /* Int */

6
src/fcdir.c
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@ -1,5 +1,5 @@
/*
* $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.5 2002/05/21 17:06:22 keithp Exp $
* $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.7 2002/07/28 10:50:59 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
@ -169,13 +169,13 @@ FcDirScan (FcFontSet *set,
if (!force)
{
/*
* Check fonts.cache file
* Check fonts.cache-<version> file
*/
if (FcDirCacheReadDir (set, dirs, dir))
return FcTrue;
/*
* Check ~/.fonts.cache file
* Check ~/.fonts.cache-<version> file
*/
if (cache && FcGlobalCacheScanDir (set, dirs, cache, dir))
return FcTrue;

2
src/fcint.h
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@ -200,7 +200,7 @@ typedef struct _FcStrBuf {
} FcStrBuf;
/*
* The per-user ~/.fonts.cache file is loaded into
* The per-user ~/.fonts.cache-<version> file is loaded into
* this data structure. Each directory gets a substructure
* which is validated by comparing the directory timestamp with
* that saved in the cache. When valid, the entire directory cache

5
src/fontconfig.man
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@ -1195,7 +1195,8 @@ information. If it starts with '~', it refers to a file in the users
home directory. This file is used to hold information about fonts that
isn't present in the per-directory cache files. It is automatically
maintained by the fontconfig library. The default for this file
is ``~/.fonts.cache''.
is ``~/.fonts.cache-<version>'', where <version> is the font configuration
file version number (currently 1).
.SS <include ignore_missing="no">
This element contains the name of an additional configuration file. When
@ -1451,7 +1452,7 @@ is a DTD that describes the format of the configuration files.
is the conventional location for per-user font configuration, although the
actual location is specified in the global fonts.conf file.
.B ~/.fonts.cache
.B ~/.fonts.cache-*
is the conventional repository of font information that isn't found in the
per-directory caches. This file is automatically maintained by fontconfig.