[FFmpeg-devel] [PATCH v2 2/3] avformat/tee: use av_dict_pop

[Marvin Scholz <epirat07@gmail.com>]

This is a well-defined way to "steal" the value of the dict entry.
---
 libavformat/tee.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libavformat/tee.c b/libavformat/tee.c
index cb555f52fd..70f3f2eb29 100644
--- a/libavformat/tee.c
+++ b/libavformat/tee.c
@@ -157,6 +157,7 @@ static int open_slave(AVFormatContext *avf, char *slave, TeeSlave *tee_slave)
 {
     int i, ret;
     AVDictionary *options = NULL, *bsf_options = NULL;
+    char *entry_val = NULL;
     AVDictionaryEntry *entry;
     char *filename;
     char *format = NULL, *select = NULL, *on_fail = NULL;
@@ -171,15 +172,15 @@ static int open_slave(AVFormatContext *avf, char *slave, TeeSlave *tee_slave)
         return ret;
 
 #define CONSUME_OPTION(option, field, action) do {                      \
-        if ((entry = av_dict_get(options, option, NULL, 0))) {          \
-            field = entry->value;                                       \
+        if ((!av_dict_pop(&options, option, NULL, &entry_val, 0))) {    \
+            field = entry_val;                                          \
             { action }                                                  \
-            av_dict_set(&options, option, NULL, 0);                     \
+            av_freep(&entry_val);                                       \
         }                                                               \
     } while (0)
 #define STEAL_OPTION(option, field)                                     \
     CONSUME_OPTION(option, field,                                       \
-                   entry->value = NULL; /* prevent it from being freed */)
+                   entry_val = NULL; /* prevent it from being freed */)
 #define PROCESS_OPTION(option, field, function, on_error)               \
     CONSUME_OPTION(option, field, if ((ret = function) < 0) { { on_error } goto end; })
 
-- 
2.37.0 (Apple Git-136)

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