diff options
Diffstat (limited to 'wintable/new/util.h')
| -rw-r--r-- | wintable/new/util.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/wintable/new/util.h b/wintable/new/util.h index d2f18fb..7ed8e98 100644 --- a/wintable/new/util.h +++ b/wintable/new/util.h @@ -15,6 +15,7 @@ static BOOL runHandlers(const handlerfunc list[], struct table *t, UINT uMsg, WP // memory allocation stuff // each of these functions do an implicit ZeroMemory() +// these also make tableRealloc(NULL, ...) act like realloc(NULL, ...) (that is, same as tableAlloc(...)/malloc(...)) // we're using LocalAlloc() because: // - whether the malloc() family supports the last-error code is undefined // - the HeapAlloc() family DOES NOT support the last-error code; you're supposed to use Windows exceptions, and I can't find a clean way to do this with MinGW-w64 that doesn't rely on inline assembly or external libraries (unless they added __try/__except blocks) @@ -35,6 +36,8 @@ static void *tableRealloc(void *p, size_t size, const char *panicMessage) { HLOCAL out; + if (p == NULL) + return tableAlloc(size, panicMessage); out = LocalReAlloc((HLOCAL) p, size, LMEM_ZEROINIT); if (out == NULL) panic(panicMessage); |