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| author | Will Newton <will.newton@linaro.org> | 2014-03-31 15:00:32 +0100 |
|---|---|---|
| committer | Will Newton <will.newton@linaro.org> | 2014-04-11 09:54:18 +0100 |
| commit | 439bda3209b768c349b98b8ceecf0fa8d94600e9 (patch) | |
| tree | b0db463e0025778f6368795e559f955f7da6fcdd /malloc | |
| parent | 6a5d6ea128153f5a00d8c80f15f76004006767da (diff) | |
| download | glibc-439bda3209b768c349b98b8ceecf0fa8d94600e9.zip glibc-439bda3209b768c349b98b8ceecf0fa8d94600e9.tar.gz glibc-439bda3209b768c349b98b8ceecf0fa8d94600e9.tar.bz2 | |
malloc: Fix MALLOC_DEBUG -Wundef warning
MALLOC_DEBUG is set optionally on the command line. Default the value
to zero if it is not set on the command line, and test its value
with #if rather than #ifdef. Verified the code is identical before
and after this change apart from line numbers.
ChangeLog:
2014-04-11 Will Newton <will.newton@linaro.org>
* malloc/malloc.c [!MALLOC_DEBUG]: #define MALLOC_DEBUG
to zero if it is not defined elsewhere. (mtrim): Test
the value of MALLOC_DEBUG with #if rather than #ifdef.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 9a45707..1120d4d 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -270,6 +270,10 @@ or other mallocs available that do this. */ +#ifndef MALLOC_DEBUG +#define MALLOC_DEBUG 0 +#endif + #ifdef NDEBUG # define assert(expr) ((void) 0) #else @@ -4477,7 +4481,7 @@ mtrim (mstate av, size_t pad) if (size > psm1) { -#ifdef MALLOC_DEBUG +#if MALLOC_DEBUG /* When debugging we simulate destroying the memory content. */ memset (paligned_mem, 0x89, size & ~psm1); |