From c03e8721128fa7803d40dd07084f7650e88c7355 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Wed, 26 Dec 2007 20:56:55 +0000
Subject: save a bit of code with *strchrnul = '\0' trick

function                                             old     new   delta
nextline                                              59      55      -4
include_conf                                         902     898      -4
read_config                                          414     406      -8
fsck_main                                           1880    1869     -11

---
 networking/udhcp/files.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'networking/udhcp')

diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 63c9064..491b887 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -332,14 +332,12 @@ int read_config(const char *file)
 
 	while (fgets(buffer, READ_CONFIG_BUF_SIZE, in)) {
 		char debug_orig[READ_CONFIG_BUF_SIZE];
-		char *p;
 
 		lm++;
-		p = strchr(buffer, '\n');
-		if (p) *p = '\0';
-		if (ENABLE_FEATURE_UDHCP_DEBUG) strcpy(debug_orig, buffer);
-		p = strchr(buffer, '#');
-		if (p) *p = '\0';
+		*strchrnul(buffer, '\n') = '\0';
+		if (ENABLE_FEATURE_UDHCP_DEBUG)
+			strcpy(debug_orig, buffer);
+		*strchrnul(buffer, '#') = '\0';
 
 		token = strtok(buffer, " \t");
 		if (!token) continue;
-- 
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