13df9bfbcb
avutil/avsscanf: fix possible overreads when dealing with %c or %s
2020-12-02 13:54:53 +01:00
42b28565aa
avutil/avsscanf: Add () to avoid integer overflow in scanexp()
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Fixes: signed integer overflow: 2147483610 + 52 cannot be represented in type 'int'
Fixes: 23260/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PBM_fuzzer-5187871274434560
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2020-07-01 11:41:35 +02:00
be60dc2145
avutil/avsscanf: do not use long double functions
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Not needed when only double is used.
2018-12-15 09:58:28 +01:00
7d70f09307
avutil/avsscanf: do not use unsupported p suffix for hex variable
2018-11-22 10:09:05 +01:00
277fd9c2ac
avutil/avsscanf: use ptrdiff_t instead of off_t
2018-11-19 15:16:36 +01:00
529debc987
lavu/avsscanf: Do not mix declaration and code.
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Fixes the following warning:
libavutil/avsscanf.c: In function 'decfloat':
libavutil/avsscanf.c:354:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int bitlim = bits-3*(int)(rp-9);
^~~
2018-11-18 03:51:42 +01:00
4b30726dd3
lavu: add locale-independent sscanf implementation
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Copied and adopted from musl implementation.
* converted all 'long double' to 'double'
* removed %m support
2018-11-16 20:24:52 +01:00
