25 lines · c
1// RUN: %clang -std=c17 %s -o %t && %run %t2/// Test __isoc23_* for glibc 2.38+.3// RUN: %clang -std=c23 %s -o %t && %run %t4 5#include <assert.h>6#include <stdarg.h>7#include <stdio.h>8 9int test_vsscanf(const char *buf, const char *fmt, ...) {10 va_list ap;11 va_start(ap, fmt);12 int ret = vsscanf(buf, fmt, ap);13 va_end(ap);14 return ret;15}16 17int main(int argc, char **argv) {18 int x, y;19 assert(sscanf("42", "%d", &x) == 1);20 assert(x == 42);21 assert(test_vsscanf("42", "%d", &y) == 1);22 assert(y == 42);23 return 0;24}25