ctype/test_ctype.c

   1 /* Copyright (C) 1991, 1994, 1996, 1997, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <limits.h>
  20 #include <ctype.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
  25 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
  26 #define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
  27
  28 #ifdef  __GNUC__
  29 __inline
  30 #endif
  31 static void
  32 print_char (unsigned char c)
  33 {
  34   printf("%d/", (int) c);
  35   if (isgraph(c))
  36     printf("'%c'", c);
  37   else
  38     printf("'\\%.3o'", c);
  39 }
  40
  41 int
  42 main (int argc, char **argv)
  43 {
  44   unsigned short int c;
  45   int lose = 0;
  46
  47 #define TRYEM do {                                                            \
  48       TRY (isascii);                                                          \
  49       TRY (isalnum);                                                          \
  50       TRY (isalpha);                                                          \
  51       TRY (iscntrl);                                                          \
  52       TRY (isdigit);                                                          \
  53       TRY (isgraph);                                                          \
  54       TRY (islower);                                                          \
  55       TRY (isprint);                                                          \
  56       TRY (ispunct);                                                          \
  57       TRY (isspace);                                                          \
  58       TRY (isupper);                                                          \
  59       TRY (isxdigit);                                                         \
  60       TRY (isblank);                                                          \
  61     } while (0)
  62
  63   for (c = 0; c <= UCHAR_MAX; ++c)
  64     {
  65       print_char (c);
  66
  67       if (XOR (islower (c), ISLOWER (c)) || toupper (c) != TOUPPER (c))
  68         {
  69           fputs (" BOGUS", stdout);
  70           ++lose;
  71         }
  72
  73 #define TRY(isfoo) if (isfoo (c)) fputs (" " #isfoo, stdout)
  74       TRYEM;
  75 #undef TRY
  76
  77       fputs("; lower = ", stdout);
  78       print_char(tolower(c));
  79       fputs("; upper = ", stdout);
  80       print_char(toupper(c));
  81       putchar('\n');
  82     }
  83
  84   fputs ("EOF", stdout);
  85   if (tolower (EOF) != EOF)
  86     {
  87       ++lose;
  88       printf (" tolower BOGUS %d;", tolower (EOF));
  89     }
  90   if (toupper (EOF) != EOF)
  91     {
  92       ++lose;
  93       printf (" toupper BOGUS %d;", toupper (EOF));
  94     }
  95
  96 #define TRY(isfoo) if (isfoo (EOF)) fputs (" " #isfoo, stdout), ++lose
  97   TRYEM;
  98 #undef TRY
  99
 100   return lose ? EXIT_FAILURE : EXIT_SUCCESS;
 101 }