From 4ebf0b109cdb4daa888d69e8294621948168c46c Mon Sep 17 00:00:00 2001 From: Thilo Borgmann Date: Sat, 12 Mar 2016 14:52:17 +0100 Subject: lavu/dict: Add new flag to allow multiple equal keys. --- libavutil/dict.c | 5 ++++- libavutil/dict.h | 5 +++-- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'libavutil') 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 */ -- cgit v1.1