fortify-headers

standalone fortify-source implementation
git clone git://git.2f30.org/fortify-headers
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test_strcat_dynamic_write.c (220B)

      1 #include "common.h"
      2 
      3 #include <string.h>
      4 
      5 int main(int argc, char** argv) {
      6   char buffer[8] = {0};
      7   strcat(buffer, "12345");
      8 
      9   CHK_FAIL_START
     10   strcat(buffer, argv[1]);
     11   CHK_FAIL_END
     12 
     13   puts(buffer);
     14   return ret;
     15 }