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98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/* Copyright (C) 1992, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stddef.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <sys/wait.h>
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#include <string.h>
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/* Create a directory named PATH with protections MODE. */
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int
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__mkdir (path, mode)
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const char *path;
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mode_t mode;
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{
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char *cmd = __alloca (80 + strlen (path));
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char *p;
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int status;
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mode_t mask;
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int save;
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struct stat statbuf;
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if (path == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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/* Check for some errors. */
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if (__stat (path, &statbuf) < 0)
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{
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if (errno != ENOENT)
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return -1;
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/* There is no file by that name. Good. */
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}
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else
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{
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__set_errno (EEXIST);
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return -1;
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}
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/* Race condition, but how else to do it? */
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mask = __umask (0777);
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(void) __umask (mask);
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p = cmd;
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*p++ = 'm';
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*p++ = 'k';
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*p++ = 'd';
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*p++ = 'i';
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*p++ = 'r';
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*p++ = ' ';
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mode &= ~mask;
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*p++ = '-';
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*p++ = 'm';
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*p++ = ' ';
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*p++ = ((mode & 07000) >> 9) + '0';
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*p++ = ((mode & 0700) >> 6) + '0';
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*p++ = ((mode & 070) >> 3) + '0';
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*p++ = ((mode & 07)) + '0';
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*p++ = ' ';
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strcpy (p, path);
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save = errno;
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/* If system doesn't set errno, but the mkdir fails, we really
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have no idea what went wrong. EIO is the vaguest error I
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can think of, so I'll use that. */
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__set_errno (EIO);
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status = system (cmd);
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if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
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{
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__set_errno (save);
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return 0;
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}
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else
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return -1;
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}
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weak_alias (__mkdir, mkdir)
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