From: Sascha Schumann <sas@php.net>
Date: Sun, 27 Aug 2000 09:30:15 +0000 (+0000)
Subject: Add PHP_STRLCPY macro. This macro should be used in new code instead of
X-Git-Tag: php-4.0.2~46
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=365edaddd4f8d412cd5933cf2cfc6571a12ca887;p=php

Add PHP_STRLCPY macro. This macro should be used in new code instead of
strlcpy/strlcat which are intended for fixing broken code.
---

diff --git a/main/php.h b/main/php.h
index 8b6b9dd11b..727e789f76 100644
--- a/main/php.h
+++ b/main/php.h
@@ -97,6 +97,27 @@ extern unsigned char second_arg_allow_ref[];
 #include <alloca.h>
 #endif
 
+/*
+ * This is a fast version of strlcpy which should be used, if you
+ * know the maximum size of the destination buffer and if you know
+ * the length of the source string.
+ *
+ * size is the allocated number of bytes
+ * src_size is the number of bytes excluding the NUL
+ */
+
+#define PHP_STRLCPY(dst, src, size, src_size)	\
+	{											\
+		size_t php_str_len;						\
+												\
+		if (src_size >= size)					\
+			php_str_len = size - 1;				\
+		else									\
+			php_str_len = src_size;				\
+		memcpy(dst, src, php_str_len);			\
+		dst[php_str_len] = '\0';				\
+	}
+
 #ifndef HAVE_STRLCPY
 PHPAPI size_t strlcpy(char *dst, const char *src, size_t siz);
 #endif