diff options
Diffstat (limited to 'lib/stream.h')
| -rw-r--r-- | lib/stream.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/stream.h b/lib/stream.h index a575acfa9c..23f85d809b 100644 --- a/lib/stream.h +++ b/lib/stream.h @@ -173,6 +173,8 @@ extern void stream_set_getp(struct stream *, size_t); extern void stream_set_endp(struct stream *, size_t); extern void stream_forward_getp(struct stream *, size_t); extern bool stream_forward_getp2(struct stream *, size_t); +extern void stream_rewind_getp(struct stream *s, size_t size); +extern bool stream_rewind_getp2(struct stream *s, size_t size); extern void stream_forward_endp(struct stream *, size_t); extern bool stream_forward_endp2(struct stream *, size_t); @@ -460,6 +462,12 @@ static inline const uint8_t *ptr_get_be32(const uint8_t *ptr, uint32_t *out) goto stream_failure; \ } while (0) +#define STREAM_REWIND_GETP(STR, SIZE) \ + do { \ + if (!stream_rewind_getp2((STR), (SIZE))) \ + goto stream_failure; \ + } while (0) + #define STREAM_FORWARD_ENDP(STR, SIZE) \ do { \ if (!stream_forward_endp2((STR), (SIZE))) \ |