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-rw-r--r--sysdeps/unix/mkdir.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/sysdeps/unix/mkdir.c b/sysdeps/unix/mkdir.c
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+/* 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)