mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-04-26 02:05:31 +02:00
Code Issues Projects Releases Packages Wiki Activity

InnoDB: Fix potential buffer underflow.

Browse source 
innobase/include/ut0mem.h:
  Add ut_strlcpy_rev.
innobase/mem/mem0mem.c:
  Use ut_strlcpy_rev instead of buggy own implementation.
innobase/ut/ut0mem.c:
  Add ut_strlcpy_rev.
This commit is contained in:
unknown 2005-09-29 13:02:18 +03:00
commit b2d8eb02a7
3 changed files with 38 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

13
innobase/include/ut0mem.h
View file

@ -122,6 +122,7 @@ ut_strcmp(const void* str1, const void* str2);
Copies up to size - 1 characters from the NUL-terminated string src to
dst, NUL-terminating the result. Returns strlen(src), so truncation
occurred if the return value >= size. */
ulint
ut_strlcpy(
/*=======*/
@ -130,6 +131,18 @@ ut_strlcpy(
const char* src, /* in: source buffer */
ulint size); /* in: size of destination buffer */
/**************************************************************************
Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last
(size - 1) bytes of src, not the first. */
ulint
ut_strlcpy_rev(
/*===========*/
/* out: strlen(src) */
char* dst, /* in: destination buffer */
const char* src, /* in: source buffer */
ulint size); /* in: size of destination buffer */
/**************************************************************************
Compute strlen(ut_strcpyq(str, q)). */
UNIV_INLINE