OpenCores
URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [readline/] [examples/] [rlcat.c] - Blame information for rev 24

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn
/*
2
 * rlcat - cat(1) using readline
3
 *
4
 * usage: rlcat
5
 */
6
 
7
/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
8
 
9
   This file is part of the GNU Readline Library, a library for
10
   reading lines of text with interactive input and history editing.
11
 
12
   The GNU Readline Library is free software; you can redistribute it
13
   and/or modify it under the terms of the GNU General Public License
14
   as published by the Free Software Foundation; either version 2, or
15
   (at your option) any later version.
16
 
17
   The GNU Readline Library is distributed in the hope that it will be
18
   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
19
   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
   GNU General Public License for more details.
21
 
22
   The GNU General Public License is often shipped with GNU software, and
23
   is generally kept in a file called COPYING or LICENSE.  If you do not
24
   have a copy of the license, write to the Free Software Foundation,
25
   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
26
 
27
#if defined (HAVE_CONFIG_H)
28
#  include <config.h>
29
#endif
30
 
31
#ifdef HAVE_UNISTD_H
32
#  include <unistd.h>
33
#endif
34
 
35
#include <sys/types.h>
36
#include "posixstat.h"
37
 
38
#include <stdio.h>
39
#include <ctype.h>
40
#include <string.h>
41
#include <errno.h>
42
 
43
#ifdef HAVE_STDLIB_H
44
#  include <stdlib.h>
45
#else 
46
extern void exit();
47
#endif
48
 
49
#ifndef errno
50
extern int errno;
51
#endif
52
 
53
#if defined (READLINE_LIBRARY)
54
#  include "readline.h"
55
#  include "history.h"
56
#else
57
#  include <readline/readline.h>
58
#  include <readline/history.h>
59
#endif
60
 
61
extern int optind;
62
extern char *optarg;
63
 
64
static int stdcat();
65
 
66
static char *progname;
67
static int vflag;
68
 
69
static void
70
usage()
71
{
72
  fprintf (stderr, "%s: usage: %s [-vEVN] [filename]\n", progname, progname);
73
}
74
 
75
int
76
main (argc, argv)
77
     int argc;
78
     char **argv;
79
{
80
  char *temp;
81
  int opt, Vflag, Nflag;
82
 
83
  progname = strrchr(argv[0], '/');
84
  if (progname == 0)
85
    progname = argv[0];
86
  else
87
    progname++;
88
 
89
  vflag = Vflag = Nflag = 0;
90
  while ((opt = getopt(argc, argv, "vEVN")) != EOF)
91
    {
92
      switch (opt)
93
        {
94
        case 'v':
95
          vflag = 1;
96
          break;
97
        case 'V':
98
          Vflag = 1;
99
          break;
100
        case 'E':
101
          Vflag = 0;
102
          break;
103
        case 'N':
104
          Nflag = 1;
105
          break;
106
        default:
107
          usage ();
108
          exit (2);
109
        }
110
    }
111
 
112
  argc -= optind;
113
  argv += optind;
114
 
115
  if (isatty(0) == 0 || argc || Nflag)
116
    return stdcat(argc, argv);
117
 
118
  rl_variable_bind ("editing-mode", Vflag ? "vi" : "emacs");
119
  while (temp = readline (""))
120
    {
121
      if (*temp)
122
        add_history (temp);
123
      printf ("%s\n", temp);
124
    }
125
 
126
  return (ferror (stdout));
127
}
128
 
129
static int
130
fcopy(fp)
131
     FILE *fp;
132
{
133
  int c;
134
  char *x;
135
 
136
  while ((c = getc(fp)) != EOF)
137
    {
138
      if (vflag && isascii ((unsigned char)c) && isprint((unsigned char)c) == 0)
139
        {
140
          x = rl_untranslate_keyseq (c);
141
          if (fputs (x, stdout) != 0)
142
            return 1;
143
        }
144
      else if (putchar (c) == EOF)
145
        return 1;
146
    }
147
  return (ferror (stdout));
148
}
149
 
150
int
151
stdcat (argc, argv)
152
     int argc;
153
     char **argv;
154
{
155
  int  i, fd, r;
156
  char *s;
157
  FILE *fp;
158
 
159
  if (argc == 0)
160
    return (fcopy(stdin));
161
 
162
  for (i = 0, r = 1; i < argc; i++)
163
    {
164
      if (*argv[i] == '-' && argv[i][1] == 0)
165
        fp = stdin;
166
      else
167
        {
168
          fp = fopen (argv[i], "r");
169
          if (fp == 0)
170
            {
171
              fprintf (stderr, "%s: %s: cannot open: %s\n", progname, argv[i], strerror(errno));
172
              continue;
173
            }
174
        }
175
      r = fcopy (fp);
176
      if (fp != stdin)
177
        fclose(fp);
178
    }
179
  return r;
180
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.