fontconfig: Branch 'master'

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 src/fccfg.c  |    2 ++
 src/fcinit.c |   16 ++++++++++------
 src/fclang.c |   26 ++++++++++++++++++++++++--
 src/fcstr.c  |    5 ++---
 src/fcxml.c  |   28 ++++++++++++++++------------
 5 files changed, 54 insertions(+), 23 deletions(-)

New commits:
commit e7954674eb4f16d0fed3018cbefb4907c89d2465
Author: Akira TAGOH <akira@xxxxxxxxx>
Date:   Fri Dec 7 19:09:36 2012 +0900

    Fix the wrong estimation for the memory usage information in fontconfig

diff --git a/src/fccfg.c b/src/fccfg.c
index d3752e5..45b4869 100644
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -1743,6 +1743,8 @@ FcConfigFileExists (const FcChar8 *dir, const FcChar8 *file)
 #else
     if ((!path[0] || path[strlen((char *) path)-1] != '/') && file[0] != '/')
 	strcat ((char *) path, "/");
+    else
+	osize--;
 #endif
     strcat ((char *) path, (char *) file);
 
diff --git a/src/fcinit.c b/src/fcinit.c
index ab64012..aaf8637 100644
--- a/src/fcinit.c
+++ b/src/fcinit.c
@@ -72,7 +72,7 @@ FcInitLoadConfig (void)
 
     if (config->cacheDirs && config->cacheDirs->num == 0)
     {
-	FcChar8 *prefix;
+	FcChar8 *prefix, *p;
 	size_t plen;
 
 	fprintf (stderr,
@@ -81,12 +81,15 @@ FcInitLoadConfig (void)
 		 "Fontconfig warning: adding <cachedir>%s</cachedir>\n",
 		 FC_CACHEDIR);
 	prefix = FcConfigXdgCacheHome ();
-	plen = prefix ? strlen ((const char *)prefix) : 0;
 	if (!prefix)
 	    goto bail;
-	prefix = realloc (prefix, plen + 12);
-	if (!prefix)
+	plen = prefix ? strlen ((const char *)prefix) : 0;
+	p = realloc (prefix, plen + 12);
+	if (!p)
 	    goto bail;
+	prefix = p;
+	FcMemFree (FC_MEM_STRING, plen + 1);
+	FcMemAlloc (FC_MEM_STRING, plen + 12);
 	memcpy (&prefix[plen], FC_DIR_SEPARATOR_S "fontconfig", 11);
 	prefix[plen + 11] = 0;
 	fprintf (stderr,
@@ -98,11 +101,12 @@ FcInitLoadConfig (void)
 	  bail:
 	    fprintf (stderr,
 		     "Fontconfig error: out of memory");
-	    free (prefix);
+	    if (prefix)
+		FcStrFree (prefix);
 	    FcConfigDestroy (config);
 	    return FcInitFallbackConfig ();
 	}
-	free (prefix);
+	FcStrFree (prefix);
     }
 
     return config;
diff --git a/src/fclang.c b/src/fclang.c
index b7e70fc..65d22a9 100644
--- a/src/fclang.c
+++ b/src/fclang.c
@@ -182,7 +182,7 @@ FcLangNormalize (const FcChar8 *lang)
 {
     FcChar8 *result = NULL, *s, *orig;
     char *territory, *encoding, *modifier;
-    size_t llen, tlen = 0, mlen = 0;
+    size_t llen, tlen = 0, mlen = 0, ssize;
 
     if (!lang || !*lang)
 	return NULL;
@@ -197,6 +197,10 @@ FcLangNormalize (const FcChar8 *lang)
     s = FcStrCopy (lang);
     if (!s)
 	goto bail;
+    /* store the original length of 's' here to let FcMemFree know
+     * the correct size since we breaks 's' from now on.
+     */
+    ssize = strlen ((const char *)s) + 1;
 
     /* from the comments in glibc:
      *
@@ -282,6 +286,11 @@ FcLangNormalize (const FcChar8 *lang)
 	else
 	{
 	    result = s;
+	    /* we'll miss the opportunity to reduce the correct size
+	     * of the allocated memory for the string after that.
+	     */
+	    FcMemFree (FC_MEM_STRING, ssize);
+	    FcMemAlloc (FC_MEM_STRING, strlen((const char *)s) + 1);
 	    s = NULL;
 	    goto bail1;
 	}
@@ -295,6 +304,11 @@ FcLangNormalize (const FcChar8 *lang)
 	else
 	{
 	    result = s;
+	    /* we'll miss the opportunity to reduce the correct size
+	     * of the allocated memory for the string after that.
+	     */
+	    FcMemFree (FC_MEM_STRING, ssize);
+	    FcMemAlloc (FC_MEM_STRING, strlen((const char *)s) + 1);
 	    s = NULL;
 	    goto bail1;
 	}
@@ -312,14 +326,22 @@ FcLangNormalize (const FcChar8 *lang)
     else
     {
 	result = s;
+	/* we'll miss the opportunity to reduce the correct size
+	 * of the allocated memory for the string after that.
+	 */
+	FcMemFree (FC_MEM_STRING, ssize);
+	FcMemAlloc (FC_MEM_STRING, strlen((const char *)s) + 1);
 	s = NULL;
     }
   bail1:
     if (orig)
-	free (orig);
+	FcStrFree (orig);
   bail0:
     if (s)
+    {
 	free (s);
+	FcMemFree (FC_MEM_STRING, ssize);
+    }
   bail:
     if (FcDebug () & FC_DBG_LANGSET)
     {
diff --git a/src/fcstr.c b/src/fcstr.c
index 037960d..99b59da 100644
--- a/src/fcstr.c
+++ b/src/fcstr.c
@@ -38,7 +38,6 @@ FcStrCopy (const FcChar8 *s)
 {
     int     len;
     FcChar8 *r;
-
     if (!s)
 	return 0;
     len = strlen ((char *) s) + 1;
@@ -1204,7 +1203,7 @@ FcStrSetAddLangs (FcStrSet *strs, const char *languages)
 	    if (normalized_lang)
 	    {
 		FcStrSetAdd (strs, normalized_lang);
-		free (normalized_lang);
+		FcStrFree (normalized_lang);
 		ret = FcTrue;
 	    }
 	}
@@ -1216,7 +1215,7 @@ FcStrSetAddLangs (FcStrSet *strs, const char *languages)
 	if (normalized_lang)
 	{
 	    FcStrSetAdd (strs, normalized_lang);
-	    free (normalized_lang);
+	    FcStrFree (normalized_lang);
 	    ret = FcTrue;
 	}
     }
diff --git a/src/fcxml.c b/src/fcxml.c
index 72e9eaf..3a94af6 100644
--- a/src/fcxml.c
+++ b/src/fcxml.c
@@ -1849,7 +1849,7 @@ static void
 FcParseDir (FcConfigParse *parse)
 {
     const FcChar8 *attr, *data;
-    FcChar8 *prefix = NULL;
+    FcChar8 *prefix = NULL, *p;
 #ifdef _WIN32
     FcChar8         buffer[1000];
 #endif
@@ -1868,13 +1868,14 @@ FcParseDir (FcConfigParse *parse)
 	size_t plen = strlen ((const char *)prefix);
 	size_t dlen = strlen ((const char *)data);
 
-	FcMemFree (FC_MEM_STRING, plen + 1);
-	prefix = realloc (prefix, plen + 1 + dlen + 1);
-	if (!prefix)
+	p = realloc (prefix, plen + 1 + dlen + 1);
+	if (!p)
 	{
 	    FcConfigMessage (parse, FcSevereError, "out of memory");
 	    goto bail;
 	}
+	prefix = p;
+	FcMemFree (FC_MEM_STRING, plen + 1);
 	FcMemAlloc (FC_MEM_STRING, plen + 1 + dlen + 1);
 	prefix[plen] = FC_DIR_SEPARATOR;
 	memcpy (&prefix[plen + 1], data, dlen);
@@ -1947,7 +1948,7 @@ static void
 FcParseCacheDir (FcConfigParse *parse)
 {
     const FcChar8 *attr;
-    FcChar8 *prefix = NULL, *data;
+    FcChar8 *prefix = NULL, *p, *data;
 
     attr = FcConfigGetAttribute (parse, "prefix");
     if (attr && FcStrCmp (attr, (const FcChar8 *)"xdg") == 0)
@@ -1963,13 +1964,15 @@ FcParseCacheDir (FcConfigParse *parse)
 	size_t plen = strlen ((const char *)prefix);
 	size_t dlen = strlen ((const char *)data);
 
-	FcMemFree (FC_MEM_STRING, plen + 1);
-	prefix = realloc (prefix, plen + 1 + dlen + 1);
-	if (!prefix)
+	p = realloc (prefix, plen + 1 + dlen + 1);
+	if (!p)
 	{
 	    FcConfigMessage (parse, FcSevereError, "out of memory");
+	    data = prefix;
 	    goto bail;
 	}
+	prefix = p;
+	FcMemFree (FC_MEM_STRING, plen + 1);
 	FcMemAlloc (FC_MEM_STRING, plen + 1 + dlen + 1);
 	prefix[plen] = FC_DIR_SEPARATOR;
 	memcpy (&prefix[plen + 1], data, dlen);
@@ -2043,7 +2046,7 @@ FcParseInclude (FcConfigParse *parse)
     const FcChar8   *attr;
     FcBool	    ignore_missing = FcFalse;
     FcBool	    deprecated = FcFalse;
-    FcChar8	    *prefix = NULL;
+    FcChar8	    *prefix = NULL, *p;
 
     s = FcStrBufDoneStatic (&parse->pstack->str);
     if (!s)
@@ -2065,13 +2068,14 @@ FcParseInclude (FcConfigParse *parse)
 	size_t plen = strlen ((const char *)prefix);
 	size_t dlen = strlen ((const char *)s);
 
-	FcMemFree (FC_MEM_STRING, plen + 1);
-	prefix = realloc (prefix, plen + 1 + dlen + 1);
-	if (!prefix)
+	p = realloc (prefix, plen + 1 + dlen + 1);
+	if (!p)
 	{
 	    FcConfigMessage (parse, FcSevereError, "out of memory");
 	    goto bail;
 	}
+	prefix = p;
+	FcMemFree (FC_MEM_STRING, plen + 1);
 	FcMemAlloc (FC_MEM_STRING, plen + 1 + dlen + 1);
 	prefix[plen] = FC_DIR_SEPARATOR;
 	memcpy (&prefix[plen + 1], s, dlen);
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