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| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-12-17 14:53:45 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-12-18 23:27:14 +0100 |
| commit | b1306823d0b3ae998c8e10ad832004eb13bdd93e (patch) | |
| tree | 2e7642dc896d7f19682f50b913ab5b5be57b83ac /libavutil | |
| parent | 9745f19ffc9031ce480e43d7cf1053b58100d70f (diff) | |
| download | ffmpeg-b1306823d0b3ae998c8e10ad832004eb13bdd93e.tar.gz | |
check memory errors from av_strdup()
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/opt.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavutil/opt.c b/libavutil/opt.c index 28adef6877..6785a08741 100644 --- a/libavutil/opt.c +++ b/libavutil/opt.c @@ -138,7 +138,7 @@ static int set_string(void *obj, const AVOption *o, const char *val, uint8_t **d { av_freep(dst); *dst = av_strdup(val); - return 0; + return *dst ? 0 : AVERROR(ENOMEM); } #define DEFAULT_NUMVAL(opt) ((opt->type == AV_OPT_TYPE_INT64 || \ @@ -350,7 +350,7 @@ int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val) *out_val = av_strdup(*(uint8_t**)dst); else *out_val = av_strdup(""); - return 0; + return *out_val ? 0 : AVERROR(ENOMEM); case AV_OPT_TYPE_BINARY: len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *)); if ((uint64_t)len*2 + 1 > INT_MAX) @@ -368,7 +368,7 @@ int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val) if (ret >= sizeof(buf)) return AVERROR(EINVAL); *out_val = av_strdup(buf); - return 0; + return *out_val ? 0 : AVERROR(ENOMEM); } static int get_number(void *obj, const char *name, double *num, int *den, int64_t *intnum, @@ -828,6 +828,8 @@ int main(void) test_ctx.class = &test_class; av_opt_set_defaults(&test_ctx); test_ctx.string = av_strdup("default"); + if (!test_ctx.string) + return AVERROR(ENOMEM); av_log_set_level(AV_LOG_DEBUG); |