src/regression/mbsrtowcs-overflow.c

   1 // commit 211264e46a2f1bc382a84435e904d1548de672b0 2013-09-27
   2 // mbsrtowcs should not write outside the ws array
   3 #include <wchar.h>
   4 #include "test.h"
   5
   6 int main(void)
   7 {
   8         wchar_t ws[] = L"XXXXX";
   9         const char *src = "abcd";
  10         const char *want = src + 4;
  11         size_t r;
  12
  13         r = mbsrtowcs(ws, &src, 4, 0);
  14         if (r != 4)
  15                 t_error("mbsrtowcs(ws, &abcd, 4, 0) returned %zu, wanted 4\n", r);
  16         if (src != want)
  17                 t_error("mbsrtowcs(ws, &abcd, 4, 0) set abcd to %p wanted %p\n", src, want);
  18         if (wcscmp(ws, L"abcdX") != 0)
  19                 t_error("ws is L\"%ls\", wanted L\"abcdX\"\n", ws);
  20
  21         return t_status;
  22 }