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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2014-07-29 21:16:35 +0200
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2014-08-23 15:28:48 +0200
commit8fc9bd0d32f0ef806adddfb7dfc56c538c85f4d4 (patch)
treea8e2d6ad6502dfb2390df9a4f8c184f2fc27ca6c /libavutil
parent45c7f3997ea11c3d1007b2126b1c0049a8c27105 (diff)
downloadffmpeg-8fc9bd0d32f0ef806adddfb7dfc56c538c85f4d4.tar.gz
dict.c: Free non-strduped av_dict_set arguments on error.
Unfortunately this was not explicitly documented and thus might be risky. But all uses I could find in FFmpeg and one in VLC had a memleak in these cases, and I could not find any that relied on the previous behaviour. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Diffstat (limited to 'libavutil')
-rw-r--r--libavutil/dict.c2
-rw-r--r--libavutil/dict.h5
-rw-r--r--libavutil/version.h2
3 files changed, 8 insertions, 1 deletions
diff --git a/libavutil/dict.c b/libavutil/dict.c
index c17ce7a3cb..bdb56908d3 100644
--- a/libavutil/dict.c
+++ b/libavutil/dict.c
@@ -126,6 +126,8 @@ err_out:
av_free(m->elems);
av_freep(pm);
}
+ if (flags & AV_DICT_DONT_STRDUP_KEY) av_free(key);
+ if (flags & AV_DICT_DONT_STRDUP_VAL) av_free(value);
return AVERROR(ENOMEM);
}
diff --git a/libavutil/dict.h b/libavutil/dict.h
index 06f1621d45..9b3381b828 100644
--- a/libavutil/dict.h
+++ b/libavutil/dict.h
@@ -115,6 +115,9 @@ int av_dict_count(const AVDictionary *m);
/**
* Set the given entry in *pm, overwriting an existing entry.
*
+ * Note: If AV_DICT_DONT_STRDUP_KEY or AV_DICT_DONT_STRDUP_VAL is set,
+ * these arguments will be freed on error.
+ *
* @param pm pointer to a pointer to a dictionary struct. If *pm is NULL
* a dictionary struct is allocated and put in *pm.
* @param key entry key to add to *pm (will be av_strduped depending on flags)
@@ -127,6 +130,8 @@ int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags
/**
* Convenience wrapper for av_dict_set that converts the value to a string
* and stores it.
+ *
+ * Note: If AV_DICT_DONT_STRDUP_KEY is set, key will be freed on error.
*/
int av_dict_set_int(AVDictionary **pm, const char *key, int64_t value, int flags);
diff --git a/libavutil/version.h b/libavutil/version.h
index 4236ed24fd..8311cddce0 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -56,7 +56,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 54
-#define LIBAVUTIL_VERSION_MINOR 6
+#define LIBAVUTIL_VERSION_MINOR 7
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \