Message ID | 20210302091657.473380-1-andreas.rheinhardt@gmail.com |
---|---|
State | Accepted |
Commit | 80038fd524cbed9fda1c8db2e2f4436622de9706 |
Headers | show |
Series | [FFmpeg-devel,1/2] avformat/aadec: Use smaller scope for variables, remove initializations | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
andriy/PPC64_make | success | Make finished |
andriy/PPC64_make_fate | success | Make fate finished |
Andreas Rheinhardt: > avio_get_str always zero terminates the strings it reads. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> > --- > libavformat/aadec.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/libavformat/aadec.c b/libavformat/aadec.c > index 612e66906d..b1e93ea072 100644 > --- a/libavformat/aadec.c > +++ b/libavformat/aadec.c > @@ -72,8 +72,8 @@ static int get_second_size(char *codec_name) > static int aa_read_header(AVFormatContext *s) > { > int i, j, idx, largest_idx = -1; > - uint32_t nkey, nval, toc_size, npairs, header_seed = 0, start; > - char key[128], val[128], codec_name[64] = {0}; > + uint32_t toc_size, npairs, header_seed = 0, start; > + char codec_name[64] = {0}; > uint8_t output[24], dst[8], src[8]; > int64_t largest_size = -1, current_size = -1, chapter_pos; > struct toc_entry { > @@ -104,8 +104,9 @@ static int aa_read_header(AVFormatContext *s) > if (npairs > MAX_DICTIONARY_ENTRIES) > return AVERROR_INVALIDDATA; > for (i = 0; i < npairs; i++) { > - memset(val, 0, sizeof(val)); > - memset(key, 0, sizeof(key)); > + char key[128], val[128]; > + uint32_t nkey, nval; > + > avio_skip(pb, 1); // unidentified integer > nkey = avio_rb32(pb); // key string length > nval = avio_rb32(pb); // value string length > Will apply this patchset tomorrow unless there are objections. - Andreas
diff --git a/libavformat/aadec.c b/libavformat/aadec.c index 612e66906d..b1e93ea072 100644 --- a/libavformat/aadec.c +++ b/libavformat/aadec.c @@ -72,8 +72,8 @@ static int get_second_size(char *codec_name) static int aa_read_header(AVFormatContext *s) { int i, j, idx, largest_idx = -1; - uint32_t nkey, nval, toc_size, npairs, header_seed = 0, start; - char key[128], val[128], codec_name[64] = {0}; + uint32_t toc_size, npairs, header_seed = 0, start; + char codec_name[64] = {0}; uint8_t output[24], dst[8], src[8]; int64_t largest_size = -1, current_size = -1, chapter_pos; struct toc_entry { @@ -104,8 +104,9 @@ static int aa_read_header(AVFormatContext *s) if (npairs > MAX_DICTIONARY_ENTRIES) return AVERROR_INVALIDDATA; for (i = 0; i < npairs; i++) { - memset(val, 0, sizeof(val)); - memset(key, 0, sizeof(key)); + char key[128], val[128]; + uint32_t nkey, nval; + avio_skip(pb, 1); // unidentified integer nkey = avio_rb32(pb); // key string length nval = avio_rb32(pb); // value string length
avio_get_str always zero terminates the strings it reads. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> --- libavformat/aadec.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)