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Stop PrivateExtractIcons from crashing given an invalid icon index.

This commit is contained in:
Mike McCormack 2004-07-12 19:53:36 +00:00 committed by Alexandre Julliard
parent f4c813f74b
commit 126884f030
1 changed files with 6 additions and 0 deletions
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6
dlls/user/exticon.c
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@ -543,6 +543,12 @@ static UINT ICO_ExtractIconExW(
{ {
const IMAGE_RESOURCE_DIRECTORY *xresdir; const IMAGE_RESOURCE_DIRECTORY *xresdir;
xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir); xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir);
if( !xresdir )
{
WARN("icon entry %d not found\n", LOWORD(pIconId[i]));
RetPtr[i]=0;
continue;
}
xresdir = find_entry_default(xresdir, rootresdir); xresdir = find_entry_default(xresdir, rootresdir);
idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir; idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
idata = NULL; idata = NULL;