builtin/apply: avoid local variable shadowing 'len' parameter

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>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/apply.c b/builtin/apply.c
index 705a9c8bd1f20a87a6fb450a404c9170e2b8ca58..bb8bf7f0e3b711fe8f874d1218746440b38d8d92 100644 (file)
--- 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++;
        }