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avutil/dict: add warning to docs about invalidating existing entries when adding a new entry 

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2016-02-06 17:43:03 +01:00
parent a740263d7e
commit c3c7a879ba
1 changed files with 3 additions and 0 deletions
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libavutil/dict.h
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@ -116,6 +116,9 @@ int av_dict_count(const AVDictionary *m);
* Note: If AV_DICT_DONT_STRDUP_KEY or AV_DICT_DONT_STRDUP_VAL is set,
* these arguments will be freed on error.
*
* Warning: Adding a new entry to a dictionary invalidates all existing entries
* previously returned with av_dict_get.
*
* @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)