compiler-rt/test/sanitizer_common/TestCases/scanf.c

   1 // RUN: %clang -std=c17 %s -o %t && %run %t
   2 /// Test __isoc23_* for glibc 2.38+.
   3 // RUN: %clang -std=c23 %s -o %t && %run %t
   4
   5 #include <assert.h>
   6 #include <stdarg.h>
   7 #include <stdio.h>
   8
   9 int 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
  17 int 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 }