From: Michael Haggerty <mhagger@alum.mit.edu>
Date: Sun, 28 Oct 2012 16:16:21 +0000 (+0100)
Subject: real_path_internal(): add comment explaining use of cwd
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=d6052abca39fc84fed4f3248be042cfb6bf635d5;p=git.git

real_path_internal(): add comment explaining use of cwd

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
---

diff --git a/abspath.c b/abspath.c
index a7ab8e908..f8a526f39 100644
--- a/abspath.c
+++ b/abspath.c
@@ -35,7 +35,14 @@ static const char *real_path_internal(const char *path, int die_on_error)
 {
 	static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
 	char *retval = NULL;
+
+	/*
+	 * If we have to temporarily chdir(), store the original CWD
+	 * here so that we can chdir() back to it at the end of the
+	 * function:
+	 */
 	char cwd[1024] = "";
+
 	int buf_index = 1;
 
 	int depth = MAXDEPTH;