[FFmpeg-trac] #5101(avformat:new): Variables used uninitialized in libavformat/utils.c

[FFmpeg]

#5101: Variables used uninitialized in libavformat/utils.c
---------------------------------------+----------------------------------
               Reporter:  jeremyhu     |                  Owner:
                   Type:  defect       |                 Status:  new
               Priority:  normal       |              Component:  avformat
                Version:  unspecified  |               Keywords:
             Blocked By:               |               Blocking:
Reproduced by developer:  0            |  Analyzed by developer:  0
---------------------------------------+----------------------------------
 The following were observed when building N-77414-g484cc66 and should
 probably be fixed:

 {{{
 libavformat/utils.c:1896:9: warning: variable 'pos_min' is used
 uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
     if (st->index_entries) {
         ^~~~~~~~~~~~~~~~~
 libavformat/utils.c:1929:53: note: uninitialized use occurs here
     pos = ff_gen_search(s, stream_index, target_ts, pos_min, pos_max,
 pos_limit,
                                                     ^~~~~~~
 libavformat/utils.c:1896:5: note: remove the 'if' if its condition is
 always true
     if (st->index_entries) {
     ^~~~~~~~~~~~~~~~~~~~~~~
 libavformat/utils.c:1880:5: note: variable 'pos_min' is declared here
     int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
     ^
 libavformat/utils.c:1918:13: warning: variable 'pos_max' is used
 uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
         if (index >= 0) {
             ^~~~~~~~~~
 libavformat/utils.c:1929:62: note: uninitialized use occurs here
     pos = ff_gen_search(s, stream_index, target_ts, pos_min, pos_max,
 pos_limit,
                                                              ^~~~~~~
 libavformat/utils.c:1918:9: note: remove the 'if' if its condition is
 always true
         if (index >= 0) {
         ^~~~~~~~~~~~~~~~
 libavformat/utils.c:1896:9: warning: variable 'pos_max' is used
 uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
     if (st->index_entries) {
         ^~~~~~~~~~~~~~~~~
 libavformat/utils.c:1929:62: note: uninitialized use occurs here
     pos = ff_gen_search(s, stream_index, target_ts, pos_min, pos_max,
 pos_limit,
                                                              ^~~~~~~
 libavformat/utils.c:1896:5: note: remove the 'if' if its condition is
 always true
     if (st->index_entries) {
     ^~~~~~~~~~~~~~~~~~~~~~~
 libavformat/utils.c:1880:5: note: variable 'pos_max' is declared here
     int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
     ^
 3 warnings generated.
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5101>
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