payloads/libpayload/curses/PDCurses/doc/manext.c

   1 /***********************************************************************/
   2 /* MANEXT - Extract manual pages from C source code.                   */
   3 /***********************************************************************/
   4 /*
   5  * MANEXT - A program to extract manual pages from C source code.
   6  * Copyright (C) 1991-1996 Mark Hessling
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16  * General Public License for more details.
  17  *
  18  * If you make modifications to this software that you feel increases
  19  * it usefulness for the rest of the community, please email the
  20  * changes, enhancements, bug fixes as well as any and all ideas to me.
  21  * This software is going to be maintained and enhanced as deemed
  22  * necessary by the community.
  23  *
  24  * Mark Hessling <mark@rexx.org>
  25  */
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #define MAX_LINE 255
  32
  33 void display_info(void)
  34 {
  35     fprintf(stderr, "\nMANEXT 1.03 Copyright (C) 1991-1996 Mark Hessling\n"
  36                     "All rights reserved.\n"
  37                     "MANEXT is distributed under the terms of the GNU\n"
  38                     "General Public License and comes with NO WARRANTY.\n"
  39                     "See the file COPYING for details.\n"
  40                     "\nUsage: manext sourcefile [...]\n\n");
  41 }
  42
  43 int main(int argc, char **argv)
  44 {
  45     char s[MAX_LINE + 1];       /* input line */
  46     int i;
  47     FILE *fp;
  48
  49 #ifdef __EMX__
  50     _wildcard(&argc, &argv);
  51 #endif
  52     if (strcmp(argv[1], "-h") == 0)
  53     {
  54         display_info();
  55         exit(1);
  56     }
  57
  58     for (i = 1; i < argc; i++)
  59     {
  60         if ((fp = fopen(argv[i], "r")) == NULL)
  61         {
  62             fprintf(stderr, "\nCould not open %s\n", argv[i]);
  63             continue;
  64         }
  65
  66         while (!feof(fp))
  67         {
  68             if (fgets(s, (int)sizeof(s), fp) == NULL)
  69             {
  70                 if (ferror(fp) != 0)
  71                 {
  72                     fprintf(stderr, "*** Error reading %s.  Exiting.\n",
  73                             argv[i]);
  74                     exit(1);
  75                 }
  76
  77                 break;
  78             }
  79
  80             /* check for manual entry marker at beginning of line */
  81
  82             if (strncmp(s, "/*man-start*", 12) != 0)
  83                 continue;
  84
  85             /* inner loop */
  86
  87             for (;;)
  88             {
  89                 /* read next line of manual entry */
  90
  91                 if (fgets(s, (int)sizeof(s), fp) == NULL)
  92                 {
  93                     if (ferror(fp) != 0)
  94                     {
  95                         fprintf(stderr, "*** Error reading %s.  Exiting.\n",
  96                                 argv[i]);
  97                         exit(1);
  98                     }
  99
 100                     break;
 101                 }
 102
 103                 /* check for end of entry marker */
 104
 105                 if (strncmp(s, "**man-end", 9) == 0)
 106                     break;
 107
 108                 printf("%s", s);
 109             }
 110
 111             printf("\n\n-----------------------------------"
 112                    "---------------------------------------\n\n");
 113         }
 114
 115         fclose(fp);
 116     }
 117
 118     return 0;
 119 }