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hhctrl: Handle memory allocation failure in GetChmString.

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This commit is contained in:
Alex Henrie 2022-11-21 19:17:52 -07:00 committed by Alexandre Julliard
parent 73bbada784
commit f41214edaa
1 changed files with 10 additions and 3 deletions
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13
dlls/hhctrl.ocx/chm.c
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@ -32,18 +32,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
static LPCSTR GetChmString(CHMInfo *chm, DWORD offset)
{
LPCSTR str;
char **new_strings;
if(!chm->strings_stream)
return NULL;
if(chm->strings_size <= (offset >> BLOCK_BITS)) {
chm->strings_size = (offset >> BLOCK_BITS)+1;
if(chm->strings)
chm->strings = heap_realloc_zero(chm->strings,
if(chm->strings) {
new_strings = heap_realloc_zero(chm->strings,
chm->strings_size*sizeof(char*));
else
if(!new_strings)
return NULL;
chm->strings = new_strings;
}else {
chm->strings = heap_alloc_zero(
chm->strings_size*sizeof(char*));
if(!chm->strings)
return NULL;
}
}