From b3c89b2316672633e5f5c4bba18f799106ee2873 Mon Sep 17 00:00:00 2001
From: yuqing <yuqing@yongche.com>
Date: Thu, 6 Jul 2017 10:47:03 +0800
Subject: [PATCH] add IS_HEX_CHAR macro define

---
 src/common_define.h | 2 ++
 src/hash.c          | 4 ++--
 src/hash.h          | 4 ++--
 src/shared_func.c   | 5 -----
 4 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/common_define.h b/src/common_define.h
index b6e59ae..51cd585 100644
--- a/src/common_define.h
+++ b/src/common_define.h
@@ -116,6 +116,8 @@ extern int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
 #endif
 
 #define IS_UPPER_HEX(ch) ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F'))
+#define IS_HEX_CHAR(ch)  (IS_UPPER_HEX(ch) || (ch >= 'a' && ch <= 'f'))
+
 #define STRERROR(no) (strerror(no) != NULL ? strerror(no) : "Unkown error")
 
 #if defined(OS_LINUX)
diff --git a/src/hash.c b/src/hash.c
index ec9d50f..a1e3c7f 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -1379,14 +1379,14 @@ static unsigned int crc_table[256] = {
 		crc = crc_table[(crc ^ *pKey) & 0xFF] ^ (crc >> 8); \
 	} \
 
-int CRC32(void *key, const int key_len)
+int CRC32(const void *key, const int key_len)
 {
 	CRC32_BODY(CRC32_XINIT)
 
 	return crc ^ CRC32_XOROT;
 }
 
-int CRC32_ex(void *key, const int key_len, \
+int CRC32_ex(const void *key, const int key_len, \
 	const int init_value)
 {
 	CRC32_BODY(init_value)
diff --git a/src/hash.h b/src/hash.h
index 7e31c38..6be86cd 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -350,8 +350,8 @@ int simple_hash(const void* key, const int key_len);
 int simple_hash_ex(const void* key, const int key_len, \
 	const int init_value);
 
-int CRC32(void *key, const int key_len);
-int CRC32_ex(void *key, const int key_len, \
+int CRC32(const void *key, const int key_len);
+int CRC32_ex(const void *key, const int key_len, \
 	const int init_value);
 
 #define CRC32_FINAL(crc)  (crc ^ CRC32_XOROT)
diff --git a/src/shared_func.c b/src/shared_func.c
index 44708a6..dd7b302 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -2113,11 +2113,6 @@ char *urldecode(const char *src, const int src_len, char *dest, int *dest_len)
 
 char *urldecode_ex(const char *src, const int src_len, char *dest, int *dest_len)
 {
-#define IS_HEX_CHAR(ch) \
-	((ch >= '0' && ch <= '9') || \
-	 (ch >= 'a' && ch <= 'f') || \
-	 (ch >= 'A' && ch <= 'F'))
-
 #define HEX_VALUE(ch, value) \
 	if (ch >= '0' && ch <= '9') \
 	{ \