[FFmpeg-cvslog] lavu/dict: Add new flag to allow multiple equal keys.
Thilo Borgmann
git at videolan.org
Fri Mar 25 17:46:53 CET 2016
ffmpeg | branch: master | Thilo Borgmann <thilo.borgmann at mail.de> | Sat Mar 12 14:52:17 2016 +0100| [4ebf0b109cdb4daa888d69e8294621948168c46c] | committer: Thilo Borgmann
lavu/dict: Add new flag to allow multiple equal keys.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4ebf0b109cdb4daa888d69e8294621948168c46c
---
libavutil/dict.c | 5 ++++-
libavutil/dict.h | 5 +++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/libavutil/dict.c b/libavutil/dict.c
index 1203562..3b509a4 100644
--- a/libavutil/dict.c
+++ b/libavutil/dict.c
@@ -70,9 +70,12 @@ int av_dict_set(AVDictionary **pm, const char *key, const char *value,
int flags)
{
AVDictionary *m = *pm;
- AVDictionaryEntry *tag = av_dict_get(m, key, NULL, flags);
+ AVDictionaryEntry *tag = NULL;
char *oldval = NULL, *copy_key = NULL, *copy_value = NULL;
+ if (!(flags & AV_DICT_MULTIKEY)) {
+ tag = av_dict_get(m, key, NULL, flags);
+ }
if (flags & AV_DICT_DONT_STRDUP_KEY)
copy_key = (void *)key;
else
diff --git a/libavutil/dict.h b/libavutil/dict.h
index 542d540..118f1f0 100644
--- a/libavutil/dict.h
+++ b/libavutil/dict.h
@@ -76,6 +76,7 @@
#define AV_DICT_DONT_OVERWRITE 16 ///< Don't overwrite existing entries.
#define AV_DICT_APPEND 32 /**< If the entry already exists, append to it. Note that no
delimiter is added, the strings are simply concatenated. */
+#define AV_DICT_MULTIKEY 64 /**< Allow to store several equal keys in the dictionary */
typedef struct AVDictionaryEntry {
char *key;
@@ -121,8 +122,8 @@ int av_dict_count(const AVDictionary *m);
*
* @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)
- * @param value entry value to add to *pm (will be av_strduped depending on flags).
+ * @param key entry key to add to *pm (will either be av_strduped or added as a new key depending on flags)
+ * @param value entry value to add to *pm (will be av_strduped or added as a new key depending on flags).
* Passing a NULL value will cause an existing entry to be deleted.
* @return >= 0 on success otherwise an error code <0
*/
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