avoid null pointer dereference on %*p fields in scanf

This commit is contained in:
Rich Felker 2012-04-17 11:50:02 -04:00
parent b7a2761780
commit 03de77f521

View File

@ -284,7 +284,7 @@ int vfscanf(FILE *f, const char *fmt, va_list ap)
int_common:
x = __intscan(f, base, 0, ULLONG_MAX);
if (!shcnt(f)) goto match_fail;
if (t=='p') *(void **)dest = (void *)(uintptr_t)x;
if (t=='p' && dest) *(void **)dest = (void *)(uintptr_t)x;
else store_int(dest, size, x);
break;
case 'a': case 'A':