fortify-headers

standalone fortify-source implementation
git clone git://git.2f30.org/fortify-headers
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test_wcscat_dynamic_write.c (322B)

      1 #include "common.h"
      2 
      3 #include <wchar.h>
      4 
      5 int main(int argc, char** argv) {
      6   wchar_t buffer[8] = {0};
      7   wchar_t src[20];
      8   int i;
      9   wcscat(buffer, L"α");
     10 
     11   for (i = 0; i < argc; i++)
     12     src[i] = L'A';
     13   src[i] = L'\0';
     14 
     15   CHK_FAIL_START
     16   wcscat(buffer, src);
     17   CHK_FAIL_END
     18 
     19   printf("%ls\n", buffer);
     20   return ret;
     21 }