Message ID | AS8P250MB07446F23609CF3A328B03D298F222@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM |
---|---|
State | Accepted |
Commit | d085f341d66ebfe5b29d67773e89c253f4eb99a8 |
Headers | show |
Series | [FFmpeg-devel,1/2] avformat/hlsenc: Redo checking for strftime %s support to avoid warnings | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
> On Mar 5, 2024, at 18:27, Andreas Rheinhardt <andreas.rheinhardt@outlook.com> wrote: > > This is intended to avoid -Wformat= warnings on systems > where %s might not be supported (and also generally emitted > by GCC with -pedantic). > > Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> > --- > libavformat/hlsenc.c | 19 ++++++++++++------- > 1 file changed, 12 insertions(+), 7 deletions(-) > > diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c > index a19b9bb3d1..d5cd627e59 100644 > --- a/libavformat/hlsenc.c > +++ b/libavformat/hlsenc.c > @@ -1878,18 +1878,23 @@ fail: > > static const char * get_default_pattern_localtime_fmt(AVFormatContext *s) > { > + HLSContext *hls = s->priv_data; > +#if HAVE_LIBC_MSVCRT > + // no %s support on MSVC, which invokes the invalid parameter handler > + // on unsupported format strings, instead of returning an error > + int strftime_s_supported = 0; > +#else > char b[21]; > time_t t = time(NULL); > - struct tm *p, tmbuf; > - HLSContext *hls = s->priv_data; > - > - p = localtime_r(&t, &tmbuf); > + struct tm tmbuf, *p = localtime_r(&t, &tmbuf); > // no %s support when strftime returned error or left format string unchanged > - // also no %s support on MSVC, which invokes the invalid parameter handler on unsupported format strings, instead of returning an error > + int strftime_s_supported = strftime(b, sizeof(b), "%s", p) && strcmp(b, "%s"); > +#endif > + > if (hls->segment_type == SEGMENT_TYPE_FMP4) { > - return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.m4s" : "-%s.m4s"; > + return strftime_s_supported ? "-%s.m4s" : "-%Y%m%d%H%M%S.m4s"; > } > - return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts"; > + return strftime_s_supported ? "-%s.ts" : "-%Y%m%d%H%M%S.ts"; > } > > static int append_postfix(char *name, int name_buf_len, int i) > -- > 2.40.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe”. patchset looks good to me Thanks Steven
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index a19b9bb3d1..d5cd627e59 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -1878,18 +1878,23 @@ fail: static const char * get_default_pattern_localtime_fmt(AVFormatContext *s) { + HLSContext *hls = s->priv_data; +#if HAVE_LIBC_MSVCRT + // no %s support on MSVC, which invokes the invalid parameter handler + // on unsupported format strings, instead of returning an error + int strftime_s_supported = 0; +#else char b[21]; time_t t = time(NULL); - struct tm *p, tmbuf; - HLSContext *hls = s->priv_data; - - p = localtime_r(&t, &tmbuf); + struct tm tmbuf, *p = localtime_r(&t, &tmbuf); // no %s support when strftime returned error or left format string unchanged - // also no %s support on MSVC, which invokes the invalid parameter handler on unsupported format strings, instead of returning an error + int strftime_s_supported = strftime(b, sizeof(b), "%s", p) && strcmp(b, "%s"); +#endif + if (hls->segment_type == SEGMENT_TYPE_FMP4) { - return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.m4s" : "-%s.m4s"; + return strftime_s_supported ? "-%s.m4s" : "-%Y%m%d%H%M%S.m4s"; } - return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts"; + return strftime_s_supported ? "-%s.ts" : "-%Y%m%d%H%M%S.ts"; } static int append_postfix(char *name, int name_buf_len, int i)
This is intended to avoid -Wformat= warnings on systems where %s might not be supported (and also generally emitted by GCC with -pedantic). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> --- libavformat/hlsenc.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-)