51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* getgrnam.c - This file is part of the libc-8086/grp package for ELKS,
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* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "busybox.h"
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include "grp_.h"
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struct group *getgrnam(const char *name)
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{
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int grp_fd;
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struct group *group;
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if (name == NULL) {
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errno = EINVAL;
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return NULL;
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}
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if ((grp_fd = open("/etc/group", O_RDONLY)) < 0)
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return NULL;
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while ((group = __getgrent(grp_fd)) != NULL)
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if (!strcmp(group->gr_name, name)) {
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close(grp_fd);
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return group;
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}
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close(grp_fd);
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return NULL;
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}
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