61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
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/* get_disk_name.c */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <grub/util/misc.h>
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char *
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grub_util_get_disk_name (int disk, char *name)
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{
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int p[2];
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char *line = NULL;
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int zero = 0;
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int len;
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pipe (p);
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switch (fork ())
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{
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case -1:
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perror ("fork");
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exit (1);
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case 0:
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close (1);
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dup (p[1]);
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close (p[0]);
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close (p[1]);
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execlp ("ofpathname", "ofpathname", "-a", name, NULL);
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perror ("execlp");
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default:
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close (0);
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dup (p[0]);
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close (p[0]);
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close (p[1]);
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}
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len = getline (&line, &zero, stdin);
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if (len < 2)
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grub_util_error ("ofpathname didn't print a meaningful alias name");
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line[len - 1] = '\0';
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return line;
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}
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