提交 03de77f5 编写于 作者: R Rich Felker

avoid null pointer dereference on %*p fields in scanf

上级 b7a27617
......@@ -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':
......
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