Quoting Guo, Yejun (2021-02-20 08:22:14)
> Part of warning message:
> src/libavformat/dashenc.c: In function ‘flush_init_segment’:
> src/libavformat/dashenc.c:608:49: warning: ‘%s’ directive output may be 
> truncated writing up to 1023 bytes into a region of size between 1 and 1024 
> [-Wformat-truncation=]
>          snprintf(filename, sizeof(filename), "%s%s", c->dirname, 
> os->initfile);
>                                                  ^~
> src/libavformat/dashenc.c:608:9: note: ‘snprintf’ output between 1 and 2047 
> bytes into a destination of size 1024
>          snprintf(filename, sizeof(filename), "%s%s", c->dirname, 
> os->initfile);
>          
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ---
>  libavformat/dashenc.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 

All these numbers are pretty arbitrary. Might as well make them
dynamically allocated, like AVFormatContext.url is.

-- 
Anton Khirnov
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