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[RFA] Implement mkdtemp


This patch implements mkdtemp.  I wasn't sure if a mkdtemp_r function was
required or not but implementing one would be trivial.

Ok to apply?

cgf

2005-05-19  Christopher Faylor  <cgf@timesys.com>

	* libc/stdio/mktemp.c (_gettemp): Make a directory when doopen is zero,
	else make a file.
	(mkdtemp): New function.

Index: libc/stdio/mktemp.c
===================================================================
RCS file: /cvs/uberbaum/newlib/libc/stdio/mktemp.c,v
retrieving revision 1.8
diff -u -p -r1.8 mktemp.c
--- libc/stdio/mktemp.c	23 Apr 2004 20:01:55 -0000	1.8
+++ libc/stdio/mktemp.c	20 May 2005 03:03:50 -0000
@@ -152,8 +152,11 @@ _DEFUN(_gettemp, (ptr, path, doopen),
     {
       if (doopen)
 	{
-	  if ((*doopen = _open_r (ptr, path, O_CREAT | O_EXCL | O_RDWR, 0600))
-	      >= 0)
+	  if (*doopen)
+	    *doopen = _open_r (ptr, path, O_CREAT | O_EXCL | O_RDWR, 0600);
+	  else
+	    *doopen = mkdir (path, 0700);
+	  if (*doopen  >= 0)
 	    return 1;
 #if defined(__CYGWIN__)
 	  if (ptr->_errno != EEXIST && ptr->_errno != EACCES)
@@ -194,7 +197,7 @@ _DEFUN(_mkstemp_r, (ptr, path),
        struct _reent *ptr _AND
        char *path)
 {
-  int fd;
+  int fd = 1;
 
   return (_gettemp (ptr, path, &fd) ? fd : -1);
 }
@@ -213,7 +216,7 @@ int
 _DEFUN(mkstemp, (path),
        char *path)
 {
-  int fd;
+  int fd = 1;
 
   return (_gettemp (_REENT, path, &fd) ? fd : -1);
 }
@@ -225,4 +228,12 @@ _DEFUN(mktemp, (path),
   return (_gettemp (_REENT, path, (int *) NULL) ? path : (char *) NULL);
 }
 
+char *
+_DEFUN(mkdtemp, (path),
+       char *path)
+{
+  int fd = 0;
+
+  return (_gettemp (_REENT, path, &fd) ? path : NULL);
+}
 #endif /* ! defined (_REENT_ONLY) */


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