[Fontconfig] fontconfig: Branch 'master'

Akira TAGOH tagoh at kemper.freedesktop.org
Mon Jun 11 08:06:30 UTC 2018


 doc/fccache.fncs        |   12 +
 fontconfig/fontconfig.h |    4 
 src/fccache.c           |   22 +++
 src/fcdir.c             |    7 +
 src/fchash.c            |   29 ++++
 src/fcint.h             |    4 
 test/Makefile.am        |   17 ++
 test/run-test.sh        |   15 ++
 test/test-bz106632.c    |  316 ++++++++++++++++++++++++++++++++++++++++++++++++
 test/test-hash.c        |  187 ++++++++++++++++++++++++++++
 10 files changed, 612 insertions(+), 1 deletion(-)

New commits:
commit f5dd8512bdf9fd8e01c30ae36f593758b29385cf
Author: Akira TAGOH <akira at tagoh.org>
Date:   Mon Jun 11 17:03:17 2018 +0900

    Remove .uuid when no font files exists on a directory
    
    https://bugs.freedesktop.org/show_bug.cgi?id=106632

diff --git a/doc/fccache.fncs b/doc/fccache.fncs
index 17e74fe..972b642 100644
--- a/doc/fccache.fncs
+++ b/doc/fccache.fncs
@@ -92,7 +92,7 @@ to <parameter>config</parameter>.
 @FUNC@		FcDirCacheCreateUUID
 @TYPE1@		FcChar8 *			@ARG1@		dir
 @TYPE2@		FcBool				@ARG2@		force
- at TYPE3@		FcConfig			@ARG3@		config
+ at TYPE3@		FcConfig *			@ARG3@		config
 @PURPOSE@	Create .uuid file at a directory
 @DESC@
 This is to create .uuid file containing an UUID at a font directory of
@@ -102,3 +102,13 @@ the cache filename if available.
 @SINCE@		2.12.92
 @@
 
+ at RET@		FcBool
+ at FUNC@		FcDirCacheDeleteUUID
+ at TYPE1@		const FcChar8 *			@ARG1@		dir
+ at TYPE2@		FcConfig *			@ARG2@		config
+ at PURPOSE@	Delete .uuid file
+ at DESC@
+This is to delete .uuid file containing an UUID at a font directory of
+<parameter>dir</parameter>.
+ at SINCE@		2.13.1
+@@
diff --git a/fontconfig/fontconfig.h b/fontconfig/fontconfig.h
index 5c04219..045814f 100644
--- a/fontconfig/fontconfig.h
+++ b/fontconfig/fontconfig.h
@@ -381,6 +381,10 @@ FcDirCacheCreateUUID (FcChar8  *dir,
 		      FcBool    force,
 		      FcConfig *config);
 
+FcPublic FcBool
+FcDirCacheDeleteUUID (const FcChar8  *dir,
+		      FcConfig       *config);
+
 /* fccfg.c */
 FcPublic FcChar8 *
 FcConfigHome (void);
diff --git a/src/fccache.c b/src/fccache.c
index 667d4e7..ada91d1 100644
--- a/src/fccache.c
+++ b/src/fccache.c
@@ -109,6 +109,7 @@ FcDirCacheCreateUUID (FcChar8  *dir,
 	if (!hash_add (config->uuid_table, target, uuid))
 	{
 	    ret = FcFalse;
+	    FcAtomicDeleteNew (atomic);
 	    goto bail3;
 	}
 	uuid_unparse (uuid, out);
@@ -148,6 +149,26 @@ bail1:
     return ret;
 }
 
+FcBool
+FcDirCacheDeleteUUID (const FcChar8  *dir,
+		      FcConfig       *config)
+{
+    const FcChar8 *sysroot = FcConfigGetSysRoot (config);
+    FcChar8 *target;
+    FcBool ret = FcTrue;
+
+    if (sysroot)
+	target = FcStrBuildFilename (sysroot, dir, ".uuid", NULL);
+    else
+	target = FcStrBuildFilename (dir, ".uuid", NULL);
+
+    ret = unlink ((char *) target) == 0;
+    FcStrFree (target);
+    FcHashTableRemove (config->uuid_table, target);
+
+    return ret;
+}
+
 #ifndef _WIN32
 static void
 FcDirCacheReadUUID (FcChar8  *dir,
@@ -325,6 +346,7 @@ FcDirCacheUnlink (const FcChar8 *dir, FcConfig *config)
         if (!cache_hashed)
 	    break;
 	(void) unlink ((char *) cache_hashed);
+	FcDirCacheDeleteUUID (dir, config);
 	FcStrFree (cache_hashed);
     }
     FcStrListDone (list);
diff --git a/src/fcdir.c b/src/fcdir.c
index bfcdf95..93f220c 100644
--- a/src/fcdir.c
+++ b/src/fcdir.c
@@ -421,6 +421,13 @@ FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config)
     /* Not using existing cache file, construct new cache */
     if (!cache)
 	cache = FcDirCacheScan (dir, config);
+    if (cache)
+    {
+	FcFontSet *fs = FcCacheSet (cache);
+
+	if (cache->dirs_count == 0 && (!fs || fs->nfont == 0))
+	    FcDirCacheDeleteUUID (dir, config);
+    }
 
     return cache;
 }
diff --git a/src/fchash.c b/src/fchash.c
index 396f452..2f06f1a 100644
--- a/src/fchash.c
+++ b/src/fchash.c
@@ -214,3 +214,32 @@ FcHashTableReplace (FcHashTable *table,
 {
     return FcHashTableAddInternal (table, key, value, FcTrue);
 }
+
+FcBool
+FcHashTableRemove (FcHashTable *table,
+		   void        *key)
+{
+    FcHashBucket **prev, *bucket;
+    FcChar32 hash = table->hash_func (key);
+    FcBool ret = FcFalse;
+
+retry:
+    for (prev = &table->buckets[hash % FC_HASH_SIZE];
+	 (bucket = fc_atomic_ptr_get (prev)); prev = &(bucket->next))
+    {
+	if (!table->compare_func (bucket->key, key))
+	{
+	    if (!fc_atomic_ptr_cmpexch (prev, bucket, bucket->next))
+		goto retry;
+	    if (table->key_destroy_func)
+		table->key_destroy_func (bucket->key);
+	    if (table->value_destroy_func)
+		table->value_destroy_func (bucket->value);
+	    free (bucket);
+	    ret = FcTrue;
+	    break;
+	}
+    }
+
+    return ret;
+}
diff --git a/src/fcint.h b/src/fcint.h
index b688aa4..598b76c 100644
--- a/src/fcint.h
+++ b/src/fcint.h
@@ -1356,4 +1356,8 @@ FcHashTableReplace (FcHashTable *table,
 		    void        *key,
 		    void        *value);
 
+FcPrivate FcBool
+FcHashTableRemove (FcHashTable *table,
+		   void        *key);
+
 #endif /* _FC_INT_H_ */
diff --git a/test/Makefile.am b/test/Makefile.am
index f104cf0..f9f043c 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -74,6 +74,23 @@ endif
 check_PROGRAMS += test-bz106618
 test_bz106618_LDADD = $(top_builddir)/src/libfontconfig.la
 
+check_PROGRAMS += test-hash
+test_hash_CFLAGS = -I$(top_builddir) -I$(top_builddir)/src $(UUID_CFLAGS)
+test_hash_LDADD = $(UUID_LIBS)
+TESTS += test-hash
+
+check_PROGRAMS += test-bz106632
+test_bz106632_CFLAGS =					\
+	-I$(top_builddir)				\
+	-I$(top_builddir)/src				\
+	-I$(top_srcdir)					\
+	-I$(top_srcdir)/src				\
+	-DFONTFILE='"$(abs_top_srcdir)/test/4x6.pcf"'	\
+	-DHAVE_CONFIG_H					\
+	$(NULL)
+test_bz106632_LDADD = $(top_builddir)/src/libfontconfig.la
+TESTS += test-bz106632
+
 EXTRA_DIST=run-test.sh run-test-conf.sh $(TESTDATA) out.expected-long-family-names out.expected-no-long-family-names
 
 CLEANFILES=out fonts.conf out.expected
diff --git a/test/run-test.sh b/test/run-test.sh
index b75b764..e932601 100644
--- a/test/run-test.sh
+++ b/test/run-test.sh
@@ -239,4 +239,19 @@ fi
 
 rm -rf $MyPWD/sysroot
 
+dotest "deleting .uuid file on empty dir"
+prep
+cp $FONT1 $FONT2 $FONTDIR
+$FCCACHE $FONTDIR
+sleep 1
+rm $FONTDIR/*pcf
+$FCCACHE $FONTDIR
+rmdir $FONTDIR > /dev/null 2>&1
+if [ $? != 0 ]; then
+  echo "*** Test failed: $TEST"
+  echo "$FONTDIR isn't empty"
+  ls -al $FONTDIR
+  exit 1
+fi
+
 rm -rf $FONTDIR $CACHEFILE $CACHEDIR $FONTCONFIG_FILE out
diff --git a/test/test-bz106632.c b/test/test-bz106632.c
new file mode 100644
index 0000000..0736b97
--- /dev/null
+++ b/test/test-bz106632.c
@@ -0,0 +1,316 @@
+/*
+ * fontconfig/test/test-bz89617.c
+ *
+ * Copyright © 2000 Keith Packard
+ * Copyright © 2018 Akira TAGOH
+ *
+ * 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 the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors make no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <stdlib.h>
+#include <dirent.h>
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#endif
+#include "fcstr.c"
+#undef FcConfigBuildFonts
+#undef FcConfigCreate
+#undef FcConfigGetCurrent
+#undef FcConfigParseAndLoadFromMemory
+#undef FcConfigUptoDate
+#undef FcFontList
+#undef FcInitReinitialize
+#undef FcPatternCreate
+#undef FcPatternDestroy
+#include <fontconfig/fontconfig.h>
+
+#ifdef HAVE_MKDTEMP
+#define fc_mkdtemp	mkdtemp
+#else
+char *
+fc_mkdtemp (char *template)
+{
+    if (!mktemp (template) || mkdir (template, 0700))
+	return NULL;
+
+    return template;
+}
+#endif
+
+FcBool
+mkdir_p (const char *dir)
+{
+    char *parent;
+    FcBool ret;
+
+    if (strlen (dir) == 0)
+	return FcFalse;
+    parent = (char *) FcStrDirname ((const FcChar8 *) dir);
+    if (!parent)
+	return FcFalse;
+    if (access (parent, F_OK) == 0)
+	ret = mkdir (dir, 0755) == 0 && chmod (dir, 0755) == 0;
+    else if (access (parent, F_OK) == -1)
+	ret = mkdir_p (parent) && (mkdir (dir, 0755) == 0) && chmod (dir, 0755) == 0;
+    else
+	ret = FcFalse;
+    free (parent);
+
+    return ret;
+}
+
+FcBool
+unlink_dirs (const char *dir)
+{
+    DIR *d = opendir (dir);
+    struct dirent *e;
+    size_t len = strlen (dir);
+    char *n = NULL;
+    FcBool ret = FcTrue;
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+    struct stat statb;
+#endif
+
+    if (!d)
+	return FcFalse;
+    while ((e = readdir (d)) != NULL)
+    {
+	size_t l;
+
+	if (strcmp (e->d_name, ".") == 0 ||
+	    strcmp (e->d_name, "..") == 0)
+	    continue;
+	l = strlen (e->d_name) + 1;
+	if (n)
+	    free (n);
+	n = malloc (l + len + 1);
+	if (!n)
+	{
+	    ret = FcFalse;
+	    break;
+	}
+	strcpy (n, dir);
+	n[len] = FC_DIR_SEPARATOR;
+	strcpy (&n[len + 1], e->d_name);
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+	if (e->d_type == DT_DIR)
+#else
+	if (stat (n, &statb) == -1)
+	{
+	    fprintf (stderr, "E: %s\n", n);
+	    ret = FcFalse;
+	    break;
+	}
+	if (S_ISDIR (statb.st_mode))
+#endif
+	{
+	    if (!unlink_dirs (n))
+	    {
+		fprintf (stderr, "E: %s\n", n);
+		ret = FcFalse;
+		break;
+	    }
+	}
+	else
+	{
+	    if (unlink (n) == -1)
+	    {
+		fprintf (stderr, "E: %s\n", n);
+		ret = FcFalse;
+		break;
+	    }
+	}
+    }
+    if (n)
+	free (n);
+    closedir (d);
+
+    if (rmdir (dir) == -1)
+    {
+	fprintf (stderr, "E: %s\n", dir);
+	return FcFalse;
+    }
+
+    return ret;
+}
+
+FcChar8 *
+FcLangNormalize (const FcChar8 *lang)
+{
+    return NULL;
+}
+
+FcChar8 *
+FcConfigHome (void)
+{
+    return NULL;
+}
+
+int
+main (void)
+{
+    FcChar8 *fontdir = NULL, *cachedir = NULL, *fontname;
+    char *basedir, template[512] = "/tmp/bz106632-XXXXXX";
+    char cmd[512];
+    FcConfig *config;
+    const FcChar8 *tconf = "<fontconfig>\n"
+	"  <dir>%s</dir>\n"
+	"  <cachedir>%s</cachedir>\n"
+	"</fontconfig>\n";
+    char conf[1024];
+    int ret = 0;
+    FcFontSet *fs;
+    FcPattern *pat;
+
+    fprintf (stderr, "D: Creating tmp dir\n");
+    basedir = fc_mkdtemp (template);
+    if (!basedir)
+    {
+	fprintf (stderr, "%s: %s\n", template, strerror (errno));
+	goto bail;
+    }
+    fontdir = FcStrBuildFilename (basedir, "fonts", NULL);
+    cachedir = FcStrBuildFilename (basedir, "cache", NULL);
+    fprintf (stderr, "D: Creating %s\n", fontdir);
+    mkdir_p (fontdir);
+    fprintf (stderr, "D: Creating %s\n", cachedir);
+    mkdir_p (cachedir);
+
+    fprintf (stderr, "D: Copying %s to %s\n", FONTFILE, fontdir);
+    snprintf (cmd, 512, "cp -a %s %s", FONTFILE, fontdir);
+    system (cmd);
+
+    fprintf (stderr, "D: Loading a config\n");
+    snprintf (conf, 1024, tconf, fontdir, cachedir);
+    config = FcConfigCreate ();
+    if (!FcConfigParseAndLoadFromMemory (config, conf, FcTrue))
+    {
+	printf ("E: Unable to load config\n");
+	ret = 1;
+	goto bail;
+    }
+    if (!FcConfigBuildFonts (config))
+    {
+	printf ("E: unable to build fonts\n");
+	ret = 1;
+	goto bail;
+    }
+    fprintf (stderr, "D: Obtaining fonts information\n");
+    pat = FcPatternCreate ();
+    fs = FcFontList (config, pat, NULL);
+    FcPatternDestroy (pat);
+    if (!fs || fs->nfont != 1)
+    {
+	printf ("E: Unexpected the number of fonts: %d\n", !fs ? -1 : fs->nfont);
+	ret = 1;
+	goto bail;
+    }
+    fprintf (stderr, "D: Removing %s\n", fontdir);
+    snprintf (cmd, 512, "rm %s%s*", fontdir, FC_DIR_SEPARATOR_S);
+    system (cmd);
+    fprintf (stderr, "D: Reinitializing\n");
+    if (!FcConfigUptoDate (config) || !FcInitReinitialize ())
+    {
+	fprintf (stderr, "E: Unable to reinitialize\n");
+	ret = 2;
+	goto bail;
+    }
+    if (FcConfigGetCurrent () == config)
+    {
+	fprintf (stderr, "E: config wasn't reloaded\n");
+	ret = 3;
+	goto bail;
+    }
+    config = FcConfigCreate ();
+    if (!FcConfigParseAndLoadFromMemory (config, conf, FcTrue))
+    {
+	printf ("E: Unable to load config again\n");
+	ret = 4;
+	goto bail;
+    }
+    if (!FcConfigBuildFonts (config))
+    {
+	printf ("E: unable to build fonts again\n");
+	ret = 5;
+	goto bail;
+    }
+    fprintf (stderr, "D: Obtaining fonts information again\n");
+    pat = FcPatternCreate ();
+    fs = FcFontList (config, pat, NULL);
+    FcPatternDestroy (pat);
+    if (!fs || fs->nfont != 0)
+    {
+	printf ("E: Unexpected the number of fonts: %d\n", !fs ? -1 : fs->nfont);
+	ret = 1;
+	goto bail;
+    }
+    fprintf (stderr, "D: Copying %s to %s\n", FONTFILE, fontdir);
+    snprintf (cmd, 512, "cp -a %s %s", FONTFILE, fontdir);
+    system (cmd);
+    fprintf (stderr, "D: Reinitializing\n");
+    if (!FcConfigUptoDate (config) || !FcInitReinitialize ())
+    {
+	fprintf (stderr, "E: Unable to reinitialize\n");
+	ret = 2;
+	goto bail;
+    }
+    if (FcConfigGetCurrent () == config)
+    {
+	fprintf (stderr, "E: config wasn't reloaded\n");
+	ret = 3;
+	goto bail;
+    }
+    config = FcConfigCreate ();
+    if (!FcConfigParseAndLoadFromMemory (config, conf, FcTrue))
+    {
+	printf ("E: Unable to load config again\n");
+	ret = 4;
+	goto bail;
+    }
+    if (!FcConfigBuildFonts (config))
+    {
+	printf ("E: unable to build fonts again\n");
+	ret = 5;
+	goto bail;
+    }
+    fprintf (stderr, "D: Obtaining fonts information\n");
+    pat = FcPatternCreate ();
+    fs = FcFontList (config, pat, NULL);
+    FcPatternDestroy (pat);
+    if (!fs || fs->nfont != 1)
+    {
+	printf ("E: Unexpected the number of fonts: %d\n", !fs ? -1 : fs->nfont);
+	ret = 1;
+	goto bail;
+    }
+
+bail:
+    fprintf (stderr, "Cleaning up\n");
+    unlink_dirs (basedir);
+    if (fontdir)
+	FcStrFree (fontdir);
+    if (cachedir)
+	FcStrFree (cachedir);
+
+    return ret;
+}
diff --git a/test/test-hash.c b/test/test-hash.c
new file mode 100644
index 0000000..7530e82
--- /dev/null
+++ b/test/test-hash.c
@@ -0,0 +1,187 @@
+#include "../src/fchash.c"
+#include "../src/fcstr.c"
+
+FcChar8 *
+FcLangNormalize (const FcChar8 *lang)
+{
+    return NULL;
+}
+
+FcChar8 *
+FcConfigHome (void)
+{
+    return NULL;
+}
+
+typedef struct _Test
+{
+    FcHashTable *table;
+} Test;
+
+static Test *
+init (void)
+{
+    Test *ret;
+
+    ret = malloc (sizeof (Test));
+    if (ret)
+    {
+	ret->table = FcHashTableCreate ((FcHashFunc) FcStrHashIgnoreCase,
+					(FcCompareFunc) FcStrCmp,
+					FcHashStrCopy,
+					FcHashUuidCopy,
+					(FcDestroyFunc) FcStrFree,
+					FcHashUuidFree);
+    }
+
+    return ret;
+}
+
+static void
+fini (Test *test)
+{
+    FcHashTableDestroy (test->table);
+    free (test);
+}
+
+static FcBool
+test_add (Test *test, FcChar8 *key, FcBool replace)
+{
+    uuid_t uuid;
+    void *u;
+    FcBool (*hash_add) (FcHashTable *, void *, void *);
+    FcBool ret = FcFalse;
+
+    uuid_generate_random (uuid);
+    if (replace)
+	hash_add = FcHashTableReplace;
+    else
+	hash_add = FcHashTableAdd;
+    if (!hash_add (test->table, key, uuid))
+	return FcFalse;
+    if (!FcHashTableFind (test->table, key, &u))
+	return FcFalse;
+    ret = (uuid_compare (uuid, u) == 0);
+    FcHashUuidFree (u);
+
+    return ret;
+}
+
+static FcBool
+test_remove (Test *test, FcChar8 *key)
+{
+    void *u;
+
+    if (!FcHashTableFind (test->table, key, &u))
+	return FcFalse;
+    FcHashUuidFree (u);
+    if (!FcHashTableRemove (test->table, key))
+	return FcFalse;
+    if (FcHashTableFind (test->table, key, &u))
+	return FcFalse;
+
+    return FcTrue;
+}
+
+int
+main (void)
+{
+    Test *test;
+    uuid_t uuid;
+    int ret = 0;
+
+    test = init ();
+    /* first op to add */
+    if (!test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* second op to add */
+    if (!test_add (test, "bar", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* dup not allowed */
+    if (test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* replacement */
+    if (!test_add (test, "foo", FcTrue))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* removal */
+    if (!test_remove (test, "foo"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* not found to remove */
+    if (test_remove (test, "foo"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* complex op in pointer */
+    if (!test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_remove (test, "foo"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_remove (test, "bar"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* completely remove */
+    if (!test_remove (test, "foo"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    /* completely remove from the last one */
+    if (!test_add (test, "foo", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_add (test, "bar", FcFalse))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_remove (test, "bar"))
+    {
+	ret = 1;
+	goto bail;
+    }
+    if (!test_remove (test, "foo"))
+    {
+	ret = 1;
+	goto bail;
+    }
+bail:
+    fini (test);
+
+    return ret;
+}


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