Add mkdtemps(3), like mkdtemp(3) but with a suffix.

OK deraadt@ tb@

6 files changed, 38 insertions, 11 deletions

diff --git a/include/stdlib.h b/include/stdlib.h
index ab8a2ae90c3..d1292e6d437 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: stdlib.h,v 1.76 2019/05/10 15:03:24 otto Exp $	*/
+/*	$OpenBSD: stdlib.h,v 1.77 2024/03/01 21:30:40 millert Exp $	*/
 /*	$NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $	*/
 
 /*-
@@ -289,6 +289,7 @@ void	setprogname(const char *);
 
 extern	 char *suboptarg;		/* getsubopt(3) external variable */
 
+char *	 mkdtemps(char *, int);
 int	 mkstemps(char *, int);
 int	 mkostemps(char *, int, int);
 
diff --git a/lib/libc/Symbols.list b/lib/libc/Symbols.list
index a6bc65f5037..251760f812e 100644
--- a/lib/libc/Symbols.list
+++ b/lib/libc/Symbols.list
@@ -1410,6 +1410,7 @@ getw
 getwc
 getwchar
 mkdtemp
+mkdtemps
 mkostemp
 mkostemps
 mkstemp
diff --git a/lib/libc/hidden/stdlib.h b/lib/libc/hidden/stdlib.h
index c890889dd47..027067eba74 100644
--- a/lib/libc/hidden/stdlib.h
+++ b/lib/libc/hidden/stdlib.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: stdlib.h,v 1.19 2024/01/19 19:45:02 millert Exp $	*/
+/*	$OpenBSD: stdlib.h,v 1.20 2024/03/01 21:30:40 millert Exp $	*/
 /*	$NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $	*/
 
 /*-
@@ -116,6 +116,7 @@ PROTO_STD_DEPRECATED(mbstowcs);
 PROTO_STD_DEPRECATED(mbtowc);
 PROTO_DEPRECATED(mergesort);
 PROTO_DEPRECATED(mkdtemp);
+PROTO_DEPRECATED(mkdtemps);
 PROTO_NORMAL(mkostemp);
 PROTO_DEPRECATED(mkostemps);
 PROTO_NORMAL(mkstemp);
diff --git a/lib/libc/shlib_version b/lib/libc/shlib_version
index 211c24639f9..198973d46b3 100644
--- a/lib/libc/shlib_version
+++ b/lib/libc/shlib_version
@@ -1,4 +1,4 @@
-major=98
+major=99
 minor=0
 # note: If changes were made to include/thread_private.h or if system calls
 # were added/changed then librthread/shlib_version must also be updated.
diff --git a/lib/libc/stdlib/mkdtemp.c b/lib/libc/stdlib/mkdtemp.c
index c33c3b4e8bb..c11501f8933 100644
--- a/lib/libc/stdlib/mkdtemp.c
+++ b/lib/libc/stdlib/mkdtemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mkdtemp.c,v 1.1 2024/01/19 19:45:02 millert Exp $ */
+/*	$OpenBSD: mkdtemp.c,v 1.2 2024/03/01 21:30:40 millert Exp $ */
 /*
  * Copyright (c) 2024 Todd C. Miller
  *
@@ -31,3 +31,11 @@ mkdtemp(char *path)
 		return path;
 	return NULL;
 }
+
+char *
+mkdtemps(char *path, int slen)
+{
+	if (__mktemp4(path, slen, 0, mkdtemp_cb) == 0)
+		return path;
+	return NULL;
+}
diff --git a/lib/libc/stdlib/mktemp.3 b/lib/libc/stdlib/mktemp.3
index d4bd7bdc91b..83b7c9eb301 100644
--- a/lib/libc/stdlib/mktemp.3
+++ b/lib/libc/stdlib/mktemp.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mktemp.3,v 1.1 2024/01/19 16:30:28 millert Exp $
+.\"	$OpenBSD: mktemp.3,v 1.2 2024/03/01 21:30:40 millert Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: January 19 2024 $
+.Dd $Mdocdate: March 1 2024 $
 .Dt MKTEMP 3
 .Os
 .Sh NAME
@@ -36,7 +36,8 @@
 .Nm mkostemp ,
 .Nm mkstemps ,
 .Nm mkostemps ,
-.Nm mkdtemp
+.Nm mkdtemp ,
+.Nm mkdtemps
 .Nd make temporary file name (unique)
 .Sh SYNOPSIS
 .In stdlib.h
@@ -48,6 +49,8 @@
 .Fn mkstemps "char *template" "int suffixlen"
 .Ft char *
 .Fn mkdtemp "char *template"
+.Ft char *
+.Fn mkdtemps "char *template" "int suffixlen"
 .In stdlib.h
 .In fcntl.h
 .Ft int
@@ -142,11 +145,19 @@ The
 function makes the same replacement to the template as in
 .Fn mktemp
 and creates the template directory, mode 0700.
+The
+.Fn mkdtemps
+function acts the same as
+.Fn mkdtemp ,
+except that it permits a suffix to exist in the template,
+similar to
+.Fn mkstemps .
 .Sh RETURN VALUES
 The
-.Fn mktemp
+.Fn mktemp ,
+.Fn mkdtemp ,
 and
-.Fn mkdtemp
+.Fn mkdtemps
 functions return a pointer to the template on success and
 .Dv NULL
 on failure.
@@ -356,9 +367,10 @@ as of
 it is no longer a part of the standard.
 .Pp
 The
-.Fn mkstemps
+.Fn mkstemps ,
+.Fn mkostemps ,
 and
-.Fn mkostemps
+.Fn mkdtemps
 functions are non-standard and should not be used if portability is required.
 .Sh HISTORY
 A
@@ -383,6 +395,10 @@ and
 .Fn mkostemps
 functions appeared in
 .Ox 5.7 .
+The
+.Fn mkdtemps
+function appeared in
+.Ox 7.5 .
 .Sh BUGS
 For
 .Fn mktemp