[PATCH v3 04/49] builtin/apply: avoid local variable shadowing 'len' parameter

[Christian Couder <christian.couder@gmail.com>]

This is just a cleanup to avoid errors when compiling with -Wshadow and
to make it safer to later move global variables into a "state" struct.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/apply.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/builtin/apply.c b/builtin/apply.c
index 705a9c8..bb8bf7f 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -2194,17 +2194,17 @@ static void update_pre_post_images(struct image *preimage,
 	fixed = preimage->buf;
 
 	for (i = reduced = ctx = 0; i < postimage->nr; i++) {
-		size_t len = postimage->line[i].len;
+		size_t l_len = postimage->line[i].len;
 		if (!(postimage->line[i].flag & LINE_COMMON)) {
 			/* an added line -- no counterparts in preimage */
-			memmove(new, old, len);
-			old += len;
-			new += len;
+			memmove(new, old, l_len);
+			old += l_len;
+			new += l_len;
 			continue;
 		}
 
 		/* a common context -- skip it in the original postimage */
-		old += len;
+		old += l_len;
 
 		/* and find the corresponding one in the fixed preimage */
 		while (ctx < preimage->nr &&
@@ -2223,11 +2223,11 @@ static void update_pre_post_images(struct image *preimage,
 		}
 
 		/* and copy it in, while fixing the line length */
-		len = preimage->line[ctx].len;
-		memcpy(new, fixed, len);
-		new += len;
-		fixed += len;
-		postimage->line[i].len = len;
+		l_len = preimage->line[ctx].len;
+		memcpy(new, fixed, l_len);
+		new += l_len;
+		fixed += l_len;
+		postimage->line[i].len = l_len;
 		ctx++;
 	}
 
-- 
2.8.3.443.gaeee61e