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Changed wrealloc's behaviour to call wfree() and return NULL if the newly

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requested size is 0.
This commit is contained in:
dan
1999-12-06 02:12:30 +00:00
parent 34c926186c
commit 4b69ea222e
2 changed files with 7 additions and 0 deletions
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4
WINGs/ChangeLog
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@@ -29,6 +29,10 @@ changes since wmaker 0.61.1:
problem with them: inability to remove handlers next to the called one, from problem with them: inability to remove handlers next to the called one, from
the called handler itself. Trying to do this with the old version caused the the called handler itself. Trying to do this with the old version caused the
program to crash. program to crash.
- changed wrealloc behaviour to be like this: new = wrealloc(old, new_size);
1. if old is NULL, return wmalloc(new_size).
2. if new_size is 0, call wfree(old), and return NULL.
3. if both old is a valid pointer and new_size>0, call realloc.
changes since wmaker 0.61.0: changes since wmaker 0.61.0:
............................ ............................

3
WINGs/memory.c
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@@ -114,6 +114,9 @@ void *wrealloc(void *ptr, size_t newsize)
if (!ptr) { if (!ptr) {
nptr = wmalloc(newsize); nptr = wmalloc(newsize);
} else if (newsize==0) {
wfree(ptr);
nptr = NULL;
} else { } else {
#ifdef TEST_WITH_GC #ifdef TEST_WITH_GC
nptr = GC_realloc(ptr, newsize); nptr = GC_realloc(ptr, newsize);