lib/genaliases.c

   1 /* Copyright (C) 1999-2001 Free Software Foundation, Inc.
   2    This file is part of the GNU LIBICONV Library.
   3
   4    The GNU LIBICONV Library is free software; you can redistribute it
   5    and/or modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either version 2
   7    of the License, or (at your option) any later version.
   8
   9    The GNU LIBICONV Library is distributed in the hope that it will be
  10    useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  16    If not, write to the Free Software Foundation, Inc., 59 Temple Place -
  17    Suite 330, Boston, MA 02111-1307, USA.  */
  18
  19 /* Creates the aliases.gperf table. */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 static void emit_encoding (const char* const* names, size_t n, const char* c_name)
  25 {
  26   for (; n > 0; names++, n--) {
  27     /* Output *names in upper case. */
  28     const char* s = *names;
  29     for (; *s; s++) {
  30       unsigned char c = * (unsigned char *) s;
  31       if (c >= 0x80)
  32         exit(1);
  33       if (c >= 'a' && c <= 'z')
  34         c -= 'a'-'A';
  35       putc(c, stdout);
  36     }
  37     printf(", ei_%s\n", c_name);
  38   }
  39 }
  40
  41 int main ()
  42 {
  43   printf("struct alias { const char* name; unsigned int encoding_index; };\n");
  44   printf("%%%%\n");
  45
  46 #define DEFENCODING(xxx_names,xxx,xxx_ifuncs1,xxx_ifuncs2,xxx_ofuncs1,xxx_ofuncs2) \
  47   {                                                           \
  48     static const char* const names[] = BRACIFY xxx_names;     \
  49     emit_encoding(names,sizeof(names)/sizeof(names[0]),#xxx); \
  50   }
  51 #define BRACIFY(...) { __VA_ARGS__ }
  52 #include "encodings.def"
  53 #include "encodings_local.def"
  54 #undef BRACIFY
  55 #undef DEFENCODING
  56
  57   fflush(stdout);
  58   if (ferror(stdout))
  59     exit(1);
  60   exit(0);
  61 }