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* sysdeps/unix/mkdir.c, syspdep/unix/rmdir.c: Moved from unix/sysv. They will be overridden with syscalls if extant by unix/syscalls.list. Fri Jan 19 13:28:59 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/unix/mkdir.c, syspdep/unix/rmdir.c: Moved from unix/sysv. They will be overridden with syscalls if extant by unix/syscalls.list. * Makeconfig (+gccwarn): Add -Wstrict-prototypes. * stdio-common/printf_fp.c (__printf_fp): Define with prototype. * stdio-common/vfprintf.c (_IO_helper_overflow): Likewise.
98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/* Copyright (C) 1992, 1994, 1995 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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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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DEFUN(__mkdir, (path, mode), CONST char *path AND 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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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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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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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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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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