summaryrefslogtreecommitdiffstats
path: root/util/grub-menulst2cfg.c
blob: a39f8693947302fd6f2f47ea1aaba5655a3cf5c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2010  Free Software Foundation, Inc.
 *
 *  GRUB is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  GRUB is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>

#include <grub/legacy_parse.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <grub/util/misc.h>
#include <grub/misc.h>
#include <grub/i18n.h>

int
main (int argc, char **argv)
{
  FILE *in, *out;
  char *entryname = NULL;
  char *buf = NULL;
  size_t bufsize = 0;
  char *suffix = xstrdup ("");
  int suffixlen = 0;
  const char *out_fname = 0;

  grub_util_host_init (&argc, &argv);

  if (argc >= 2 && argv[1][0] == '-')
    {
      fprintf (stdout, _("Usage: %s [INFILE [OUTFILE]]\n"), argv[0]);
      return 0;
    }

  if (argc >= 2)
    {
      in = grub_util_fopen (argv[1], "r");
      if (!in)
	{
	  fprintf (stderr, _("cannot open `%s': %s"),
		   argv[1], strerror (errno));
	  return 1;
	}
    }
  else
    in = stdin;

  if (argc >= 3)
    {
      out = grub_util_fopen (argv[2], "w");
      if (!out)
	{					
	  if (in != stdin)
	    fclose (in);
	  fprintf (stderr, _("cannot open `%s': %s"),
		   argv[2], strerror (errno));
	  return 1;
	}
      out_fname = argv[2];
    }
  else
    out = stdout;

  while (1)
    {
      char *parsed;

      if (getline (&buf, &bufsize, in) < 0)
	break;

      {
	char *oldname = NULL;
	char *newsuffix;

	oldname = entryname;
	parsed = grub_legacy_parse (buf, &entryname, &newsuffix);
	if (newsuffix)
	  {
	    suffixlen += strlen (newsuffix);
	    suffix = xrealloc (suffix, suffixlen + 1);
	    strcat (suffix, newsuffix);
	  }
	if (oldname != entryname && oldname)
	  fprintf (out, "}\n\n");
	if (oldname != entryname)
	  {
	    char *escaped = grub_legacy_escape (entryname, strlen (entryname));
	    fprintf (out, "menuentry \'%s\' {\n", escaped);
	    free (escaped);
	    free (oldname);
	  }
      }

      if (parsed)
	fprintf (out, "%s%s", entryname ? "  " : "", parsed);
      free (parsed);
      parsed = NULL;
    }

  if (entryname)
    fprintf (out, "}\n\n");

  if (fwrite (suffix, 1, suffixlen, out) != suffixlen)
    {
      if (out_fname)
	grub_util_error ("cannot write to `%s': %s",
			 out_fname, strerror (errno));
      else
	grub_util_error ("cannot write to the stdout: %s", strerror (errno));
    }

  free (buf);
  free (suffix);
  free (entryname);

  if (in != stdin)
    fclose (in);
  if (out != stdout)
    fclose (out);

  return 0;
}