File: strcmp.c

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (20 lines) | stat: -rw-r--r-- 549 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang_msan %s -o %t
// RUN: MSAN_OPTIONS=intercept_strcmp=false %run %t 2>&1
// RUN: MSAN_OPTIONS=intercept_strcmp=true not %run %t 2>&1 | FileCheck %s
// RUN:                                    not %run %t 2>&1 | FileCheck %s

#include <assert.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv) {
  char undef;
  char s1[] = "abcd";
  char s2[] = "1234";
  assert(strcmp(s1, s2) > 0);
  s2[0] = undef;
  assert(strcmp(s1, s2));

  // CHECK: {{.*WARNING: MemorySanitizer: use-of-uninitialized-value}}
  return 0;
}