aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/mkdir.c')
-rw-r--r--sysdeps/unix/sysv/mkdir.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/mkdir.c b/sysdeps/unix/sysv/mkdir.c
new file mode 100644
index 0000000000..16713f9e48
--- /dev/null
+++ b/sysdeps/unix/sysv/mkdir.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <string.h>
+
+/* Create a directory named PATH with protections MODE. */
+int
+DEFUN(__mkdir, (path, mode), CONST char *path AND mode_t mode)
+{
+ char *cmd = __alloca (80 + strlen (path));
+ char *p;
+ int status;
+ mode_t mask;
+ int save;
+ struct stat statbuf;
+
+ if (path == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ /* Check for some errors. */
+ if (__stat (path, &statbuf) < 0)
+ {
+ if (errno != ENOENT)
+ return -1;
+ /* There is no file by that name. Good. */
+ }
+ else
+ {
+ errno = EEXIST;
+ return -1;
+ }
+
+ /* Race condition, but how else to do it? */
+ mask = __umask (0777);
+ (void) __umask (mask);
+
+ p = cmd;
+ *p++ = 'm';
+ *p++ = 'k';
+ *p++ = 'd';
+ *p++ = 'i';
+ *p++ = 'r';
+ *p++ = ' ';
+
+ mode &= ~mask;
+ *p++ = '-';
+ *p++ = 'm';
+ *p++ = ' ';
+ *p++ = ((mode & 07000) >> 9) + '0';
+ *p++ = ((mode & 0700) >> 6) + '0';
+ *p++ = ((mode & 070) >> 3) + '0';
+ *p++ = ((mode & 07)) + '0';
+ *p++ = ' ';
+
+ strcpy (p, path);
+
+ save = errno;
+ /* If system doesn't set errno, but the mkdir fails, we really
+ have no idea what went wrong. EIO is the vaguest error I
+ can think of, so I'll use that. */
+ errno = EIO;
+ status = system (cmd);
+ if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
+ {
+ errno = save;
+ return 0;
+ }
+ else
+ return -1;
+}
+
+weak_alias (__mkdir, mkdir)