src/regression/iconv-roundtrips.c

   1 // commit: b7bfb5c3a8330002250f304cb5deb522fa054eae
   2 // fix iconv conversions for iso88592-iso885916
   3 #include <iconv.h>
   4 #include <string.h>
   5 #include "test.h"
   6
   7 int main(void)
   8 {
   9         static char *test_charsets[] = {
  10                 "iso-8859-1",
  11                 "iso-8859-2",
  12                 "iso-8859-4",
  13                 "iso-8859-5",
  14                 "iso-8859-9",
  15                 "iso-8859-10",
  16                 "iso-8859-13",
  17                 "iso-8859-14",
  18                 "iso-8859-15",
  19                 "iso-8859-16",
  20                 0
  21         };
  22         char all_codepoints[256];
  23         int i;
  24
  25         for (i=0; i<256; i++)
  26                 all_codepoints[i] = 255-i;
  27
  28         for (i=0; test_charsets[i]; i++) {
  29                 iconv_t there = iconv_open("UTF-8", test_charsets[i]);
  30                 if (there == (iconv_t)-1) continue;
  31                 iconv_t andback = iconv_open(test_charsets[i], "UTF-8");
  32                 if (andback == (iconv_t)-1) {
  33                         iconv_close(there);
  34                         continue;
  35                 }
  36                 char u8buf[1024];
  37                 char buf[256];
  38                 size_t u8rem = sizeof u8buf;
  39                 int r1 = iconv(there,
  40                         &(char *){all_codepoints}, &(size_t){sizeof all_codepoints},
  41                         &(char *){u8buf}, &u8rem);
  42                 size_t u8len = sizeof u8buf - u8rem;
  43                 int r2 = iconv(andback,
  44                         &(char *){u8buf}, &(size_t){u8len},
  45                         &(char *){buf}, &(size_t){sizeof buf});
  46
  47                 if (r1) t_error("got %d converting from %s\n", r1, test_charsets[i]);
  48                 if (r2) t_error("got %d converting back to %s\n", r2, test_charsets[i]);
  49
  50                 if (memcmp(all_codepoints, buf, sizeof buf)) {
  51                         t_error("round trip corrupted %s characters\n", test_charsets[i]);
  52                 }
  53
  54                 iconv_close(there);
  55                 iconv_close(andback);
  56         }
  57
  58         return t_status;
  59 }