diff options
| author | Christopher Faylor <me@cgf.cx> | 2007-11-23 16:37:05 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2007-11-23 16:37:05 +0000 |
| commit | 32cba6cb3a8366df854ba24ece2a60f1b2f872a3 (patch) | |
| tree | 21b23f484ecfe4023485f548169cceb3efc52ad3 | |
| parent | 2194c4db86e473a25656c3bcc5315e9a05577981 (diff) | |
| download | newlib-32cba6cb3a8366df854ba24ece2a60f1b2f872a3.zip newlib-32cba6cb3a8366df854ba24ece2a60f1b2f872a3.tar.gz newlib-32cba6cb3a8366df854ba24ece2a60f1b2f872a3.tar.bz2 | |
* cygheap.cc (_crealloc): Avoid memcpy when _cmalloc returns NULL.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 4 | ||||
| -rw-r--r-- | winsup/cygwin/cygheap.cc | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 1e5c7cd..73530df 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,7 @@ +2007-11-23 Christopher Faylor <me+cygwin@cgf.cx> + + * cygheap.cc (_crealloc): Avoid memcpy when _cmalloc returns NULL. + 2007-11-08 Christopher Faylor <me+cygwin@cgf.cx> * dllfixdbg: Eliminate extra objcopy step. diff --git a/winsup/cygwin/cygheap.cc b/winsup/cygwin/cygheap.cc index 3b4b72b..c254341 100644 --- a/winsup/cygwin/cygheap.cc +++ b/winsup/cygwin/cygheap.cc @@ -232,8 +232,11 @@ _crealloc (void *ptr, unsigned size) if (size <= oldsize) return ptr; newptr = _cmalloc (size); - memcpy (newptr, ptr, oldsize); - _cfree (ptr); + if (newptr) + { + memcpy (newptr, ptr, oldsize); + _cfree (ptr); + } } return newptr; } |