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Posted to commits@nuttx.apache.org by gn...@apache.org on 2020/06/02 15:32:41 UTC
[incubator-nuttx] 02/02: libc: Implement tmpfile() function
This is an automated email from the ASF dual-hosted git repository.
gnutt pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 9ff32427bf02b646e86f23d48265e80f8853ef6b
Author: Xiang Xiao <xi...@xiaomi.com>
AuthorDate: Tue Jun 2 22:53:45 2020 +0800
libc: Implement tmpfile() function
Signed-off-by: Xiang Xiao <xi...@xiaomi.com>
Change-Id: I00bdb42006b40bf1b9bc0bb6865b9b88b4acbb7b
---
include/stdio.h | 1 +
libs/libc/stdio/Make.defs | 2 +-
libs/libc/stdio/lib_tmpfile.c | 51 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 53 insertions(+), 1 deletion(-)
diff --git a/include/stdio.h b/include/stdio.h
index 2892b52..b228fcd 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -210,6 +210,7 @@ int vdprintf(int fd, FAR const IPTR char *fmt, va_list ap);
/* Operations on paths */
+FAR FILE *tmpfile(void);
FAR char *tmpnam(FAR char *s);
FAR char *tempnam(FAR const char *dir, FAR const char *pfx);
int remove(FAR const char *path);
diff --git a/libs/libc/stdio/Make.defs b/libs/libc/stdio/Make.defs
index 4ce1a21..e00af30 100644
--- a/libs/libc/stdio/Make.defs
+++ b/libs/libc/stdio/Make.defs
@@ -60,7 +60,7 @@ CSRCS += lib_stdinstream.c lib_stdoutstream.c lib_stdsistream.c
CSRCS += lib_stdsostream.c lib_perror.c lib_feof.c lib_ferror.c
CSRCS += lib_rawinstream.c lib_rawoutstream.c lib_rawsistream.c
CSRCS += lib_rawsostream.c lib_remove.c lib_clearerr.c lib_scanf.c
-CSRCS += lib_fscanf.c lib_vfscanf.c
+CSRCS += lib_fscanf.c lib_vfscanf.c lib_tmpfile.c
endif
diff --git a/libs/libc/stdio/lib_tmpfile.c b/libs/libc/stdio/lib_tmpfile.c
new file mode 100644
index 0000000..519f159
--- /dev/null
+++ b/libs/libc/stdio/lib_tmpfile.c
@@ -0,0 +1,51 @@
+/****************************************************************************
+ * libs/libc/stdio/lib_tmpfile.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+FAR FILE *tmpfile(void)
+{
+ char path[L_tmpnam] = "/tmp/XXXXXX.tmp";
+ FAR FILE *fp = NULL;
+ int fd;
+
+ fd = mkstemp(path);
+ if (fd >= 0)
+ {
+ unlink(fd);
+ fp = fdopen(fd, "w+");
+ if (fp == NULL)
+ {
+ close(fd);
+ }
+ }
+
+ return fp;
+}