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From: Sebastian Huber <sh@sourceware.org>
To: newlib-cvs@sourceware.org
Subject: [newlib-cygwin] Add generic implementation of fdopendir()
X-Act-Checkin: newlib-cygwin
X-Git-Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
X-Git-Refname: refs/heads/master
X-Git-Oldrev: ab4fdab5d555504a90191959546142f797913d84
X-Git-Newrev: 103b055035fea328f8bc7826801760fb1c055683
X-SW-Source: 2018-q4/txt/msg00015.txt.bz2

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=103b055035fea328f8bc7826801760fb1c055683

commit 103b055035fea328f8bc7826801760fb1c055683
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Mon Oct 8 13:52:14 2018 +0200

    Add generic implementation of fdopendir()
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/posix/opendir.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/newlib/libc/posix/opendir.c b/newlib/libc/posix/opendir.c
index 650cbfe..2cf1ba5 100644
--- a/newlib/libc/posix/opendir.c
+++ b/newlib/libc/posix/opendir.c
@@ -43,17 +43,11 @@ static char sccsid[] = "@(#)opendir.c	5.11 (Berkeley) 2/23/91";
 #include <unistd.h>
 #include <sys/lock.h>
 
-/*
- * open a directory.
- */
-DIR *
-opendir (const char *name)
+static DIR *
+_opendir_common(int fd)
 {
 	DIR *dirp;
-	int fd;
 
-	if ((fd = open(name, O_RDONLY | O_DIRECTORY | O_CLOEXEC)) == -1)
-		return NULL;
 	if ((dirp = (DIR *)malloc(sizeof(DIR))) == NULL) {
 		close (fd);
 		return NULL;
@@ -87,4 +81,23 @@ opendir (const char *name)
 	return dirp;
 }
 
+DIR *
+opendir(const char *name)
+{
+	int fd;
+
+	if ((fd = open(name, O_RDONLY | O_DIRECTORY | O_CLOEXEC)) == -1)
+		return (NULL);
+	return (_opendir_common(fd));
+}
+
+DIR *
+fdopendir(int fd)
+{
+
+	if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
+		return (NULL);
+	return (_opendir_common(fd));
+}
+
 #endif /* ! HAVE_OPENDIR */