compiler-rt/test/sanitizer_common/TestCases/Posix/strlcat.cpp

   1 // RUN: %clangxx -O0 -g %s -o %t && %run %t
   2
   3 // UNSUPPORTED: target={{.*linux.*}}
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8
   9 void test1() {
  10   const char src[] = "abc";
  11   char dst[7] = {'x', 'y', 'z', 0};
  12   size_t len;
  13
  14   len = strlcat(dst, src, sizeof(dst));
  15   printf("%s %zu ", dst, len);
  16 }
  17
  18 void test2() {
  19   const char src[] = "abc";
  20   char dst[7] = {0};
  21   size_t len;
  22
  23   len = strlcat(dst, src, sizeof(dst));
  24   printf("%s %zu ", dst, len);
  25 }
  26
  27 void test3() {
  28   const char src[] = "abc";
  29   char dst[4] = {'x', 'y', 'z', 0};
  30   size_t len;
  31
  32   len = strlcat(dst, src, sizeof(dst));
  33   printf("%s %zu ", dst, len);
  34 }
  35
  36 void test4() {
  37   const char src[] = "";
  38   char dst[4] = {'x', 'y', 'z', 0};
  39   size_t len;
  40
  41   len = strlcat(dst, src, sizeof(dst));
  42   printf("%s %zu\n", dst, len);
  43 }
  44
  45 int main(void) {
  46   test1();
  47   test2();
  48   test3();
  49   test4();
  50
  51   // CHECK: xyzabc 6 abc 3 xyz 3 xyz 3
  52
  53   return 0;
  54 }