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file: return proper error on seek failures

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This commit is contained in:
Luca Barbato 2012-09-14 17:01:35 +02:00
parent 2568646abb
commit 4ed5ac50d3
1 changed files with 8 additions and 2 deletions
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10
libavformat/file.c
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@ -121,12 +121,18 @@ static int file_open(URLContext *h, const char *filename, int flags)
static int64_t file_seek(URLContext *h, int64_t pos, int whence) static int64_t file_seek(URLContext *h, int64_t pos, int whence)
{ {
FileContext *c = h->priv_data; FileContext *c = h->priv_data;
int ret;
if (whence == AVSEEK_SIZE) { if (whence == AVSEEK_SIZE) {
struct stat st; struct stat st;
int ret = fstat(c->fd, &st);
ret = fstat(c->fd, &st);
return ret < 0 ? AVERROR(errno) : st.st_size; return ret < 0 ? AVERROR(errno) : st.st_size;
} }
return lseek(c->fd, pos, whence);
ret = lseek(c->fd, pos, whence);
return ret < 0 ? AVERROR(errno) : ret;
} }
static int file_close(URLContext *h) static int file_close(URLContext *h)