ast-grep-essentials/tests/cpp/null-library-function-cpp-test.yml at main · coderabbitai/ast-grep-essentials · GitHub

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id: null-library-function-cpp
valid:
  - |
     errno = 0;
     fwrite(data, len, 1, f);
     if (errno) {
        ERRS("unable to write output file");
        goto out_flush;
     }

invalid:
  - |
     void f() {
        char buf[128];
        strcpy(buf, getenv("FOO"));
     }
  - |
     {
      fwrite("foo", 3, 1, fopen("foo.txt", "w"));
     }
  - |
     {
      FILE *fptr;
      fwrite("foo", 3, 1, fptr = fopen("foo.txt", "w"));
     }
  - |
     void test_getc() {
      int c = getc(fptr = fopen(file_name, "r"));
     }