stdio-common/tst-swprintf.c

   1 #include <locale.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <wchar.h>
   5
   6 /* This is the relevant piece from the charmap:
   7 <UFF61>     /x8e/xa1     HALFWIDTH IDEOGRAPHIC FULL STOP
   8 <UFF62>     /x8e/xa2     HALFWIDTH LEFT CORNER BRACKET
   9 <UFF63>     /x8e/xa3     HALFWIDTH RIGHT CORNER BRACKET
  10 <UFF64>     /x8e/xa4     HALFWIDTH IDEOGRAPHIC COMMA
  11  */
  12
  13 const char input[] = "\x8e\xa1g\x8e\xa2h\x8e\xa3i\x8e\xa4j";
  14
  15 int
  16 main (void)
  17 {
  18   wchar_t buf[1000];
  19 #define nbuf (sizeof (buf) / sizeof (buf[0]))
  20   int result = 0;
  21   ssize_t n;
  22
  23   if (setlocale (LC_ALL, "ja_JP.EUC-JP") == NULL)
  24     {
  25       puts ("cannot set locale");
  26       exit (1);
  27     }
  28
  29 #define CHECK(fmt, nexp, exp) \
  30   n = swprintf (buf, nbuf, fmt, input);                                       \
  31   if (n != nexp)                                                              \
  32     {                                                                         \
  33       printf ("swprintf (.., .., L\"%ls\", \"%ls\") return %d, not %d\n",     \
  34               fmt, (wchar_t*) input, (int) n, (int) nexp);                    \
  35       result = 1;                                                             \
  36     }                                                                         \
  37   else if (wcscmp (buf, exp) != 0)                                            \
  38     {                                                                         \
  39       printf ("\
  40 swprintf (.., .., L\"%ls\", \"%ls\") produced \"%ls\", not \"%ls\"\n",        \
  41              fmt, (wchar_t *) input, buf, exp );                              \
  42       result = 1;                                                             \
  43     }
  44
  45   CHECK (L"[%-6.0s]", 8, L"[      ]");
  46   CHECK (L"[%-6.1s]", 8, L"[\xff61     ]");
  47   CHECK (L"[%-6.2s]", 8, L"[\xff61g    ]");
  48   CHECK (L"[%-6.3s]", 8, L"[\xff61g\xff62   ]");
  49   CHECK (L"[%-6.4s]", 8, L"[\xff61g\xff62h  ]");
  50   CHECK (L"[%-6.5s]", 8, L"[\xff61g\xff62h\xff63 ]");
  51   CHECK (L"[%-6.6s]", 8, L"[\xff61g\xff62h\xff63i]");
  52   CHECK (L"[%-6.7s]", 9, L"[\xff61g\xff62h\xff63i\xff64]");
  53   CHECK (L"[%-6.8s]", 10, L"[\xff61g\xff62h\xff63i\xff64j]");
  54
  55   return result;
  56 }