X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=b8d0d77c3ba94091d753714d54b8181ce7c395ac;hp=3a8406d9c9fd1454a0807c8584bae78aa1b2f543;hb=3889b355ca075111a717da36946c779b7474a63d;hpb=26a0b7e457d1dd7e0e40d866d28de00c5d1cfa54

diff --git a/fd.c b/fd.c
index 3a8406d9..b8d0d77c 100644
--- a/fd.c
+++ b/fd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2014 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -162,13 +162,13 @@ __printf_2_3 int write_va_buffer(int fd, const char *fmt, ...)
  *
  * If \a rfds is not \p NULL and the (non-blocking) file descriptor \a fd is
  * not set in \a rfds, this function returns early without doing anything.
- * Otherwise The function tries to read up to \a sz bytes from \a fd. As for
- * xwrite(), EAGAIN is not considered an error condition. However, EOF
- * is.
+ * Otherwise The function tries to read up to \a sz bytes from \a fd, where \a
+ * sz is the sum of the lengths of all vectors in \a iov. As for xwrite(),
+ * \p EAGAIN is not considered an error condition. However, \p EOF is.
  *
  * \return Zero or a negative error code. If the underlying call to readv(2)
  * returned zero (indicating an end of file condition) or failed for some
- * reason other than \p EAGAIN, a negative return value is returned.
+ * reason other than \p EAGAIN, a negative error code is returned.
  *
  * In any case, \a num_bytes contains the number of bytes that have been
  * successfully read from \a fd (zero if the first readv() call failed with
@@ -526,6 +526,7 @@ static int para_opendir(const char *dirname, DIR **dir, int *cwd)
 {
 	int ret;
 
+	*dir = NULL;
 	if (cwd) {
 		ret = para_open(".", O_RDONLY, 0);
 		if (ret < 0)