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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/dirent/readdir_r.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/dirent/readdir_r.c')
-rw-r--r--src/dirent/readdir_r.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/dirent/readdir_r.c b/src/dirent/readdir_r.c
new file mode 100644
index 00000000..58f60325
--- /dev/null
+++ b/src/dirent/readdir_r.c
@@ -0,0 +1,30 @@
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "__dirent.h"
+#include "libc.h"
+
+int readdir_r(DIR *dir, struct dirent *buf, struct dirent **result)
+{
+	struct dirent *de;
+	int errno_save = errno;
+	int ret;
+	
+	LOCK(&dir->lock);
+	errno = 0;
+	de = readdir(dir);
+	if ((ret = errno)) {
+		UNLOCK(&dir->lock);
+		return ret;
+	}
+	errno = errno_save;
+	if (de) memcpy(buf, de, de->d_reclen);
+	else buf = NULL;
+
+	UNLOCK(&dir->lock);
+	*result = buf;
+	return 0;
+}
+
+LFS64_2(readdir_r, readdir64_r);