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testing/mm: repair the memory leak question when realloc failed.

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Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
This commit is contained in:
wangbowen6 2022-03-30 22:26:28 +08:00 committed by Xiang Xiao
parent 19acc783c4
commit 963c1f31db
1 changed files with 13 additions and 3 deletions
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16
testing/mm/mm_main.c
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@ -177,6 +177,7 @@ static void do_reallocs(FAR void **mem, FAR const int *oldsize,
{ {
int i; int i;
int j; int j;
void *ptr;
for (i = 0; i < n; i++) for (i = 0; i < n; i++)
{ {
@ -184,10 +185,19 @@ static void do_reallocs(FAR void **mem, FAR const int *oldsize,
printf("(%d)Re-allocating at %p from %d to %d bytes\n", printf("(%d)Re-allocating at %p from %d to %d bytes\n",
i, mem[j], oldsize[j], newsize[j]); i, mem[j], oldsize[j], newsize[j]);
mem[j] = realloc(mem[j], newsize[j]); /* Return null if realloc failed, so using a local variable to store
printf("(%d)Memory re-allocated at %p\n", i, mem[j]); * the return value to avoid the missing of old memory pointer.
*/
if (mem[j] == NULL) ptr = realloc(mem[j], newsize[j]);
if (ptr != NULL)
{
mem[j] = ptr;
}
printf("(%d)Memory re-allocated at %p\n", i, ptr);
if (ptr == NULL)
{ {
int allocsize = MM_ALIGN_UP(newsize[j] + SIZEOF_MM_ALLOCNODE); int allocsize = MM_ALIGN_UP(newsize[j] + SIZEOF_MM_ALLOCNODE);