termidx.c

   1 /* $MirOS: contrib/code/jupp/termidx.c,v 1.5 2014/03/04 23:04:12 tg Exp $ */
   2 /*
   3  *      Program to generate termcap index file
   4  *      Copyright
   5  *              (C) 1992 Joseph H. Allen
   6  *
   7  * This file is part of JOE (Joe's Own Editor)
   8  */
   9 #include "config.h"
  10 #include "types.h"
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14
  15 static void gen(unsigned char *s, FILE *fd)
  16 {
  17         int c, x;
  18         off_t addr = 0, oaddr;
  19
  20       loop:
  21         while (c = getc(fd), c == ' ' || c == '\t' || c == '#')
  22                 do {
  23                         c = getc(fd);
  24                 } while (!(c == -1 || c == '\n'));
  25         if (c == -1)
  26                 return;
  27         if (c == '\n')
  28                 goto loop;
  29         oaddr = addr;
  30 #ifdef HAVE_FSEEKO
  31         addr = ftello(fd) - 1;
  32 #else
  33         /* well, SOL */
  34         addr = ftell(fd) - 1;
  35 #endif
  36         ungetc(c, fd);
  37         s[x = 0] = 0;
  38         while (1) {
  39                 c = getc(fd);
  40                 if (c == -1 || c == '\n') {
  41                         if (x != 0 && s[x - 1] == '\\')
  42                                 --x;
  43                         if (x) {
  44                                 int y, z, flg;
  45
  46                                 s[x] = 0;
  47                                 z = 0;
  48                                 flg = 0;
  49                                 do {
  50                                         for (y = z; s[y] && s[y] != '|' && s[y] != ':'; ++y) ;
  51                                         c = s[y];
  52                                         s[y] = 0;
  53                                         if (strlen((char *)(s + z)) > 2 && !strchr((char *)(s + z), ' ') && !strchr((char *)(s + z), '\t')) {
  54                                                 if(flg)
  55                                                         putchar(' ');
  56                                                 fputs((char *)(s + z), stdout);
  57                                                 flg = 1;
  58                                         }
  59                                         s[y] = c;
  60                                         z = y + 1;
  61                                 } while (c && c != ':');
  62                                 if (flg)
  63                                         printf(" %lX\n",
  64                                             (unsigned long)(addr - oaddr));
  65                         }
  66                         goto loop;
  67                 } else if (c == '\r')
  68                         /* do nothing */ ;
  69                 else
  70                         s[x++] = c;
  71         }
  72 }
  73
  74 int main(int argc, char *argv[])
  75 {
  76         unsigned char array[65536];
  77
  78         gen(array, stdin);
  79         return(0);
  80 }