fortify-headers

standalone fortify-source implementation
git clone git://git.2f30.org/fortify-headers
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test_stpncpy_dynamic_write.c (282B)

      1 #include "common.h"
      2 
      3 #include <string.h>
      4 
      5 int main(int argc, char** argv) {
      6   char buffer[] = {'A', 'B', 'C', 'D', 'E', 'F', '\0'};
      7 
      8   stpncpy(buffer, "1234567", 3);
      9   puts(buffer);
     10 
     11   CHK_FAIL_START
     12   stpncpy(buffer, argv[1], argc);
     13   CHK_FAIL_END
     14 
     15   puts(buffer);
     16   return ret;
     17 }