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authorRenato Westphal <renato@opensourcerouting.org>2020-09-04 22:33:48 -0300
committerGitHub <noreply@github.com>2020-09-04 22:33:48 -0300
commitdcdaabcede9302790c48e18132f202ef3886f635 (patch)
tree6ca5b8ff41952921b31c1f10fe0f629f021d8e95 /lib/stream.h
parentc7b5a0ae3a2195b04a00e6359c14e5033bddf253 (diff)
parent763a5d3c2dc7e9061006d56a9a983c2a8be64765 (diff)
Merge pull request #7046 from qlyoung/fix-various-integer-issues
Fix various integer signedness / overflow issues
Diffstat (limited to 'lib/stream.h')
-rw-r--r--lib/stream.h8
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))) \