compiler-rt/test/sanitizer_common/TestCases/Linux/iconv_test.c

   1 // RUN: %clang %s -o %t && %run %t
   2 // Verify that even if iconv returned -1
   3 // we still treat the initialized part of outbuf as properly initialized.
   4
   5 // UNSUPPORTED: android
   6
   7 #include <iconv.h>
   8 #include <assert.h>
   9 #include <stdio.h>
  10
  11 int main() {
  12   iconv_t cd = iconv_open("UTF-8", "no");
  13   assert(cd != (iconv_t)-1);
  14   char in[11] = {0x7e, 0x7e, 0x5f, 0x53, 0x55, 0x3e,
  15                  0x99, 0x3c, 0x7e, 0x7e, 0x7e};
  16   fprintf(stderr, "cd: %p\n", (void*)cd);
  17   char out[100];
  18   char *inbuf = &in[0];
  19   size_t inbytesleft = 11;
  20   char *outbuf = &out[0];
  21   size_t outbytesleft = 100;
  22   int ret = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
  23   assert(ret == -1);
  24   assert(outbuf - &out[0] == 10);
  25   for (int i = 0; i < 10; i++) {
  26     if (out[i] == 0x77) return 1;
  27     fprintf(stderr, "OUT%d 0x%x -- OK\n", i, (unsigned char)out[i]);
  28   }
  29   iconv_close(cd);
  30 }
  31