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Fix additional memory leaks reported by Ronny V. Vindenes: don't invoke 

FcValueSave on hashed static strings in FcPatternAddWithBinding.
Add another st_dev check in FcDirCacheOpen.
This commit is contained in:
Patrick Lam 2006-01-25 14:52:49 +00:00
parent 16a71eff3e
commit 575a37b797
4 changed files with 31 additions and 5 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2006-01-25 Patrick Lam <plam@mit.edu>
* src/fccache.c (FcDirCacheOpen, FcDirCacheWrite):
* src/fccfg.c (FcConfigEvaluate):
* src/fcfreetype.c (FcPatternAddWithBinding):
Fix additional memory leaks reported by Ronny V. Vindenes: don't
invoke FcValueSave on hashed static strings in
FcPatternAddWithBinding.
Add another st_dev check in FcDirCacheOpen.
2006-01-24 James Su <james.su@gmail.com>
reviewed by: plam

13
src/fccache.c
View File

@ -900,7 +900,10 @@ FcDirCacheOpen (const FcChar8 *dir)
cache_hashed = FcDirCacheHashName (cache_file, collisions++);
if (!cache_hashed)
{
FcStrFree ((FcChar8 *)cache_file);
return -1;
}
if (fd > 0)
close (fd);
@ -908,7 +911,10 @@ FcDirCacheOpen (const FcChar8 *dir)
FcStrFree ((FcChar8 *)cache_hashed);
if (fd == -1)
{
FcStrFree ((FcChar8 *)cache_file);
return -1;
}
FcCacheReadString (fd, name_buf, sizeof (name_buf));
if (!strlen(name_buf))
goto bail;
@ -920,11 +926,13 @@ FcDirCacheOpen (const FcChar8 *dir)
continue;
}
FcStrFree (name_buf_dir);
found = c.st_ino == dir_stat.st_ino;
found = (c.st_ino == dir_stat.st_ino) && (c.st_dev == dir_stat.st_dev);
} while (!found);
FcStrFree ((FcChar8 *)cache_file);
return fd;
bail:
FcStrFree ((FcChar8 *)cache_file);
close (fd);
return -1;
}
@ -1200,6 +1208,7 @@ FcDirCacheWrite (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
if (!FcAtomicReplaceOrig(atomic))
goto bail5;
FcStrFree ((FcChar8 *)cache_hashed);
FcStrFree ((FcChar8 *)cache_file);
FcAtomicUnlock (atomic);
FcAtomicDestroy (atomic);
return FcTrue;
@ -1216,7 +1225,7 @@ FcDirCacheWrite (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
FcStrFree ((FcChar8 *)cache_hashed);
bail0:
unlink ((char *)cache_file);
free (cache_file);
FcStrFree ((FcChar8 *)cache_file);
if (current_dir_block)
free (current_dir_block);
bail:

3
src/fccfg.c
View File

@ -827,7 +827,6 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
case FcOpString:
v.type = FcTypeString;
v.u.s = FcStrStaticName(e->u.sval);
v = FcValueSave (v);
break;
case FcOpMatrix:
v.type = FcTypeMatrix;
@ -847,7 +846,7 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
r = FcPatternGet (p, e->u.field, 0, &v);
if (r != FcResultMatch)
v.type = FcTypeVoid;
v = FcValueSave (v);
v = FcValueSave (v);
break;
case FcOpConst:
if (FcNameConstant (e->u.constant, &v.u.i))

9
src/fcpat.c
View File

@ -874,7 +874,14 @@ FcPatternAddWithBinding (FcPattern *p,
new = FcValueListPtrCreateDynamic(newp);
FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList));
/* dup string */
value = FcValueSave (value);
if (value.type == FcTypeString)
{
value.u.s = FcStrStaticName (value.u.s);
if (!value.u.s)
value.type = FcTypeVoid;
}
else
value = FcValueSave (value);
if (value.type == FcTypeVoid)
goto bail1;