lib-src/digest-doc.c

   1 /* Give this program DOC-mm.nn.oo as standard input and it outputs to
   2    standard output a file of nroff output containing the doc strings.
   3
   4    Copyright (C) 1987, 1994, 2001, 2002, 2003, 2004,
   5                  2005, 2006, 2007 Free Software Foundation, Inc.
   6
   7    This file is part of GNU Emacs.
   8
   9    GNU Emacs is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    GNU Emacs is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GNU Emacs; see the file COPYING.  If not, write to the
  21    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22    Boston, MA 02110-1301, USA.
  23
  24    See also sorted-doc.c, which produces similar output
  25    but in texinfo format and sorted by function/variable name.  */
  26
  27 #include <stdio.h>
  28
  29 #ifdef DOS_NT
  30 #include <fcntl.h>              /* for O_BINARY */
  31 #include <io.h>                 /* for setmode */
  32 #endif
  33
  34 int
  35 main ()
  36 {
  37   register int ch;
  38   register int notfirst = 0;
  39
  40 #ifdef DOS_NT
  41   /* DOC is a binary file.  */
  42   if (!isatty (fileno (stdin)))
  43     setmode (fileno (stdin), O_BINARY);
  44 #endif
  45
  46   printf (".TL\n");
  47   printf ("Command Summary for GNU Emacs\n");
  48   printf (".AU\nRichard M. Stallman\n");
  49   while ((ch = getchar ()) != EOF)
  50     {
  51       if (ch == '\037')
  52         {
  53           if (notfirst)
  54             printf ("\n.DE");
  55           else
  56             notfirst = 1;
  57
  58           printf ("\n.SH\n");
  59
  60           ch = getchar ();
  61           printf (ch == 'F' ? "Function " : "Variable ");
  62
  63           while ((ch = getchar ()) != '\n')  /* Changed this line */
  64             {
  65               if (ch != EOF)
  66                   putchar (ch);
  67               else
  68                 {
  69                   ungetc (ch, stdin);
  70                   break;
  71                 }
  72             }
  73           printf ("\n.DS L\n");
  74         }
  75       else
  76         putchar (ch);
  77     }
  78   return 0;
  79 }
  80
  81 /* arch-tag: 2ba2c9b0-4157-4eba-bd9f-967e3677e35f
  82    (do not change this comment) */