clang/test/Analysis/cstring-ranges.c

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=unix.cstring -analyzer-output=text %s 2>&1 | FileCheck %s
   2
   3 // This test verifies argument source range highlighting.
   4 // Otherwise we've no idea which of the arguments is null.
   5 // These days we actually also have it in the message,
   6 // but the range is still great to have.
   7
   8 char *strcpy(char *, const char *);
   9
  10 void foo(void) {
  11   char *a = 0, *b = 0;
  12   strcpy(a, b);
  13 }
  14
  15 // CHECK: warning: Null pointer passed as 1st argument to string copy function
  16 // CHECK-NEXT: strcpy(a, b);
  17 // CHECK-NEXT: ^      ~