From 29974f773776e40a2cd5563bd7a83fd960651c3f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Wed, 12 Aug 2015 07:31:41 +0900
Subject: [PATCH] kbuild: fixdep: optimize code slightly
If the target string matches "CONFIG_", move the pointer p
forward. This saves several 7-chars adjustments.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
scripts/basic/fixdep.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index b30406860b..46cc1b3e5d 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -251,7 +251,8 @@ static void parse_config_file(const char *map, size_t len)
continue;
if (memcmp(p, "CONFIG_", 7))
continue;
- for (q = p + 7; q < map + len; q++) {
+ p += 7;
+ for (q = p; q < map + len; q++) {
if (!(isalnum(*q) || *q == '_'))
goto found;
}
@@ -260,9 +261,9 @@ static void parse_config_file(const char *map, size_t len)
found:
if (!memcmp(q - 7, "_MODULE", 7))
q -= 7;
- if( (q-p-7) < 0 )
+ if (q - p < 0)
continue;
- use_config(p+7, q-p-7);
+ use_config(p, q - p);
}
}
--
2.39.5