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From 42d1b23fc0f3748b8bf474e456d6c44aa7e563fd Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 14 Nov 2012 00:30:54 -0500
Subject: [PATCH] libc/stdlib: add mkostemp helpers
Some projects (like udev) are starting to use this.
Imported from glibc.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
include/stdlib.h | 23 +++++++++++++++++++++++
libc/stdlib/Makefile.in | 4 ++--
libc/stdlib/mkostemp.c | 32 ++++++++++++++++++++++++++++++++
libc/stdlib/mkostemp64.c | 33 +++++++++++++++++++++++++++++++++
4 files changed, 90 insertions(+), 2 deletions(-)
create mode 100644 libc/stdlib/mkostemp.c
create mode 100644 libc/stdlib/mkostemp64.c
diff --git a/include/stdlib.h b/include/stdlib.h
index 354fc66..79ccc55 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -652,6 +652,29 @@ extern int mkstemp64 (char *__template) __nonnull ((1)) __wur;
extern char *mkdtemp (char *__template) __THROW __nonnull ((1)) __wur;
#endif
+#ifdef __USE_GNU
+/* Generate a unique temporary file name from TEMPLATE similar to
+ mkstemp. But allow the caller to pass additional flags which are
+ used in the open call to create the file..
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int mkostemp (char *__template, int __flags) __nonnull ((1)) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (mkostemp, (char *__template, int __flags), mkostemp64)
+ __nonnull ((1)) __wur;
+# else
+# define mkostemp mkostemp64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int mkostemp64 (char *__template, int __flags) __nonnull ((1)) __wur;
+# endif
+
+#endif
+
__BEGIN_NAMESPACE_STD
/* Execute the given line as a shell command.
diff --git a/libc/stdlib/Makefile.in b/libc/stdlib/Makefile.in
index 3166b8e..b92f7ce 100644
--- a/libc/stdlib/Makefile.in
+++ b/libc/stdlib/Makefile.in
@@ -12,7 +12,7 @@ include $(top_srcdir)libc/stdlib/malloc-simple/Makefile.in
include $(top_srcdir)libc/stdlib/malloc-standard/Makefile.in
CSRC-y := \
- abort.c getenv.c mkdtemp.c realpath.c canonicalize.c mkstemp.c \
+ abort.c getenv.c mkdtemp.c realpath.c canonicalize.c mkstemp.c mkostemp.c \
rand.c random.c random_r.c setenv.c div.c ldiv.c lldiv.c \
getpt.c drand48-iter.c jrand48.c \
jrand48_r.c lcong48.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
@@ -21,7 +21,7 @@ CSRC-y := \
CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_memalign.c
CSRC-$(UCLIBC_HAS_PTY) += grantpt.c unlockpt.c ptsname.c
CSRC-$(UCLIBC_HAS_ARC4RANDOM) += arc4random.c
-CSRC-$(UCLIBC_HAS_LFS) += mkstemp64.c
+CSRC-$(UCLIBC_HAS_LFS) += mkstemp64.c mkostemp64.c
CSRC-$(UCLIBC_HAS_FLOATS) += drand48.c drand48_r.c erand48.c erand48_r.c
CSRC-$(if $(findstring yy,$(UCLIBC_HAS_FLOATS)$(UCLIBC_SUSV3_LEGACY)),y) += \
gcvt.c
diff --git a/libc/stdlib/mkostemp.c b/libc/stdlib/mkostemp.c
new file mode 100644
index 0000000..93b50fc
--- /dev/null
+++ b/libc/stdlib/mkostemp.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998-2012 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../misc/internals/tempname.h"
+
+/* Generate a unique temporary file name from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the filename unique.
+ Then open the file and return a fd. */
+int
+mkostemp (template, flags)
+ char *template;
+ int flags;
+{
+ return __gen_tempname (template, __GT_FILE, flags);
+}
diff --git a/libc/stdlib/mkostemp64.c b/libc/stdlib/mkostemp64.c
new file mode 100644
index 0000000..5509d8c
--- /dev/null
+++ b/libc/stdlib/mkostemp64.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2000-2012 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "../misc/internals/tempname.h"
+
+/* Generate a unique temporary file name from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the filename unique.
+ Then open the file and return a fd. */
+int
+mkostemp64 (template, flags)
+ char *template;
+ int flags;
+{
+ return __gen_tempname (template, __GT_BIGFILE, flags | O_LARGEFILE);
+}
--
1.8.3.3
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