grub/util/grub-menulst2cfg.c

121 lines
2.6 KiB
C
Raw Normal View History

/*
* 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 <grub/legacy_parse.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <grub/util/misc.h>
int
main (int argc, char **argv)
{
FILE *in, *out;
char *entryname = NULL;
char *buf = NULL;
size_t bufsize = 0;
2010-09-12 00:55:24 +00:00
char *suffix = xstrdup ("");
int suffixlen = 0;
if (argc >= 2 && argv[1][0] == '-')
{
2010-09-11 20:18:06 +00:00
fprintf (stdout, "Usage: %s [INFILE [OUTFILE]]\n", argv[0]);
return 0;
}
if (argc >= 2)
{
in = fopen (argv[1], "r");
if (!in)
{
fprintf (stderr, "Couldn't open %s for reading: %s\n",
argv[1], strerror (errno));
return 1;
}
}
else
in = stdin;
if (argc >= 3)
{
out = fopen (argv[2], "w");
if (!out)
{
if (in != stdin)
fclose (in);
fprintf (stderr, "Couldn't open %s for writing: %s\n",
argv[2], strerror (errno));
return 1;
}
}
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)
2010-09-12 00:55:24 +00:00
{
suffixlen += strlen (newsuffix);
2010-09-12 00:55:24 +00:00
suffix = xrealloc (suffix, suffixlen + 1);
strcat (suffix, newsuffix);
2010-09-12 00:55:24 +00:00
}
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");
fwrite (suffix, 1, suffixlen, out);
free (buf);
free (suffix);
free (entryname);
if (in != stdin)
fclose (in);
if (out != stdout)
fclose (out);
return 0;
}