CMakeLists.txt

@@ -4,7 +4,6 @@ else()
   set(CRC_LIBRARY 1)
 endif()
 
-cmake_minimum_required(VERSION 3.1)
 project(crc)
 
 if(TARGET ${PROJECT_NAME})
@@ -12,6 +11,8 @@ if(TARGET ${PROJECT_NAME})
   return()
 endif()
 
+cmake_minimum_required(VERSION 3.1)
+
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -29,6 +30,7 @@ target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_LIST_DIR})
 
 
 if (CRC_TESTS)
+
     file(GLOB SOURCE_CPP_TEST
         "unit-test/*.h"
         "unit-test/*.cpp"
@@ -41,7 +43,5 @@ if (CRC_TESTS)
 
     add_executable(${PROJECT_NAME}_test ${SOURCE_CPP_TEST})
     target_link_libraries(${PROJECT_NAME}_test PUBLIC ${PROJECT_NAME})
-    enable_testing()
-    add_test(NAME crc
-        COMMAND ${PROJECT_NAME}_test)
+
 endif()

crc/crc16.c

@@ -51,7 +51,7 @@ static const uint16_t crc16tab[256]= {
     0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
 };
 
-uint16_t crc16(const unsigned char *buf, size_t len) {
+uint16_t crc16(const char *buf, int len) {
     int counter;
     uint16_t crc = 0;
     for (counter = 0; counter < len; counter++)

crc/crc16.h

@@ -1,14 +1,12 @@
 #ifndef _CRC_CRC16_H
 #define _CRC_CRC16_H
 
+#include <stdint.h>
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus  */
 
-#include <stddef.h>
-#include <stdint.h>
-
-uint16_t crc16(const unsigned char *buf, size_t len);
+uint16_t crc16(const char *buf, int len);
 
 #ifdef __cplusplus
 }

crc/crc32.c

@@ -69,7 +69,7 @@ static uint32_t crc32_tab[] =
 };
 
 /* crc32 hash */
-uint32_t crc32(const unsigned char *s, size_t len)
+uint32_t crc32(const char* s, int len)
 {
     int i;
     uint32_t crc32val = 0;

crc/crc32.h

@@ -1,14 +1,12 @@
 #ifndef _CRC_CRC32_H
 #define _CRC_CRC32_H
 
+#include <stdint.h>
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus  */
 
-#include <stddef.h>
-#include <stdint.h>
-
-uint32_t crc32(const unsigned char *s, size_t len);
+uint32_t crc32(const char* s, int len);
 
 #ifdef __cplusplus
 }

crc/crc64.c

@@ -170,7 +170,7 @@ static const uint64_t crc64_tab[256] = {
     0x536fa08fdfd90e51ULL, 0x29b7d047efec8728ULL,
 };
 
-uint64_t crc64(const unsigned char *s, size_t l) {
+uint64_t crc64(const char *s, int l) {
     int j = 0;
     uint64_t crc = 0;
 

crc/crc64.h

@@ -1,14 +1,12 @@
 #ifndef _CRC_CRC64_H
 #define _CRC_CRC64_H
 
+#include <stdint.h>
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus  */
 
-#include <stddef.h>
-#include <stdint.h>
-
-uint64_t crc64(const unsigned char *s, size_t l);
+uint64_t crc64(const char *s, int l);
 
 #ifdef __cplusplus
 }

crc/crc8.c

@@ -87,7 +87,7 @@ static const uint8_t crc8tab_msb[256] = {
 };
 
 // LSB-first
-uint8_t crc8_lsb(const unsigned char *buf, size_t len) {
+uint8_t crc8_lsb(const char *buf, int len) {
     int counter;
     uint8_t crc = 0;
     for (counter = 0; counter < len; counter++)
@@ -96,7 +96,7 @@ uint8_t crc8_lsb(const unsigned char *buf, size_t len) {
 }
 
 // MSB-first
-uint8_t crc8_msb(const unsigned char *buf, size_t len) {
+uint8_t crc8_msb(const char *buf, int len) {
     int counter;
     uint8_t crc = 0;
     for (counter = 0; counter < len; counter++)

crc/crc8.h

@@ -1,18 +1,17 @@
 #ifndef _CRC_CRC8_H
 #define _CRC_CRC8_H
 
+#include <stdint.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus  */
 
-#include <stddef.h>
-#include <stdint.h>
-
 // LSB-first
-uint8_t crc8_lsb(const unsigned char *buf, size_t len);
+uint8_t crc8_lsb(const char *buf, int len);
 
 // MSB-first
-uint8_t crc8_msb(const unsigned char *buf, size_t len);
+uint8_t crc8_msb(const char *buf, int len);
 
 #ifdef __cplusplus
 }

crc/crc_poly.h

@@ -1,12 +1,12 @@
 #ifndef _CRC_CRC_POLY_H
 #define _CRC_CRC_POLY_H
 
+#include <stdint.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus  */
 
-#include <stdint.h>
-
 // LSB-first
 uint8_t crc8_poly_lsb(uint8_t poly, uint8_t value);
 

crc/crchash.cpp

@@ -12,27 +12,27 @@
 namespace common {
     uint16_t Hash16(const std::string& key)
     {
-        return crc16(reinterpret_cast<const unsigned char *>(key.c_str()), key.size());
+        return crc16(key.c_str(), key.size());
     }
-    uint16_t Hash16(const unsigned char *cpKey, const size_t iKeyLen)
+    uint16_t Hash16(const char* cpKey, const int iKeyLen)
     {
         return crc16(cpKey, iKeyLen);
     }
 
     uint32_t Hash32(const std::string& key)
     {
-        return crc32(reinterpret_cast<const unsigned char *>(key.c_str()), key.size());
+        return crc32(key.c_str(), key.size());
     }
-    uint32_t Hash32(const unsigned char *cpKey, const size_t iKeyLen)
+    uint32_t Hash32(const char* cpKey, const int iKeyLen)
     {
         return crc32(cpKey, iKeyLen);
     }
 
     uint64_t Hash64(const std::string& key)
     {
-        return crc64(reinterpret_cast<const unsigned char *>(key.c_str()), key.size());
+        return crc64(key.c_str(), key.size());
     }
-    uint64_t Hash64(const unsigned char *cpKey, size_t iKeyLen)
+    uint64_t Hash64(const char* cpKey, const int iKeyLen)
     {
         return crc64(cpKey, iKeyLen);
     }

crc/crchash.h

@@ -8,19 +8,18 @@
 #ifndef _COMMON_CRC_CRCHASH_H_
 #define _COMMON_CRC_CRCHASH_H_
 #include <string>
-#include <cstdint>
-
+#include <stdint.h>
 namespace common {
     // string => 0x0000-0xffff
     uint16_t Hash16(const std::string& key);
-    uint16_t Hash16(const unsigned char *cpKey, size_t iKeyLen);
+    uint16_t Hash16(const char* cpKey, const int iKeyLen);
 
     // string => 0x00000000-0xffffffff
     uint32_t Hash32(const std::string& key);
-    uint32_t Hash32(const unsigned char *cpKey, size_t iKeyLen);
+    uint32_t Hash32(const char* cpKey, const int iKeyLen);
 
     // string => 0x0000000000000000-0xffffffffffffffff
     uint64_t Hash64(const std::string& key);
-    uint64_t Hash64(const unsigned char *cpKey, size_t iKeyLen);
+    uint64_t Hash64(const char* cpKey, const int iKeyLen);    
 } // namespace common
 #endif  // _COMMON_CRC_CRCHASH_H_

unit-test/Makefile

@@ -1,6 +1,5 @@
 PROJECT = unittest
 
-CXX=gcc -g -std=c++11
 CC=gcc -g
 
 SHARED_FLAG = -fPIC -shared
@@ -43,7 +42,7 @@ install :
 	cp unittest ../test
 
 %.o : %.cpp
-	$(CXX) $(INC) -c $< -o $@
+	$(CC) $(INC) -c $< -o $@
 %.o : %.c
 	$(CC) $(INC) -c $< -o $@
 %.o : %.cc

unit-test/crc_test.cpp

@@ -6,30 +6,26 @@
 */
 
 #include "ut/test_harness.h"
-#include "crc/crc8.h"
-#include "crc/crc16.h"
-#include "crc/crc32.h"
-#include "crc/crc64.h"
-#include "crc/crc_poly.h"
-#include <cstring>
+#include "../crc/crc8.h"
+#include "../crc/crc16.h"
+#include "../crc/crc32.h"
+#include "../crc/crc64.h"
+#include "../crc/crc_poly.h"
+#include <iostream>
+#include <string.h>
 
 TEST(CRC8Test, BasicTest)
 {
     const char* inData = "123456789";
     uint8_t expect = 0xa2;
-    EXPECT_EQ(crc8_msb(reinterpret_cast<const unsigned char *>(inData), 9), expect);
+    EXPECT_EQ(crc8_msb(inData, 9), expect);
 
     const char* data = "Hello World!!!";
     expect = 0x68;
-    EXPECT_EQ(crc8_msb(reinterpret_cast<const unsigned char *>(data), strlen(data)), expect);
+    EXPECT_EQ(crc8_msb(data, strlen(data)), expect);
 
     expect = 0x2c;
-    EXPECT_EQ(crc8_lsb(reinterpret_cast<const unsigned char *>(data), strlen(data)), expect);
-
-    const uint8_t buffer[] = {0xb0, 0, 0, 0, 0, 0, 0};
-
-    expect = 0x1a;
-    EXPECT_EQ(crc8_lsb(buffer, sizeof(buffer)), expect);
+    EXPECT_EQ(crc8_lsb(data, strlen(data)), expect);
 }
 
 TEST(CRC16Test, BasicTest)
@@ -37,7 +33,7 @@ TEST(CRC16Test, BasicTest)
     const char* inData = "123456789";
     uint16_t expect = 0x31C3;
 
-    EXPECT_EQ(crc16(reinterpret_cast<const unsigned char *>(inData), 9), expect);
+    EXPECT_EQ(crc16(inData, 9), expect);
 }
 
 TEST(CRC32Test, BasicTest)
@@ -45,7 +41,7 @@ TEST(CRC32Test, BasicTest)
     const char* inData = "123456789";
     uint32_t expect = 0xCBF43926;
 
-    EXPECT_EQ(crc32(reinterpret_cast<const unsigned char *>(inData), 9), expect);
+    EXPECT_EQ(crc32(inData, 9), expect);
 }
 
 TEST(CRC64Test, BasicTest)
@@ -53,7 +49,7 @@ TEST(CRC64Test, BasicTest)
     const char* inData = "123456789";
 
     uint64_t expect = 0xe9c6d914c4b8d9caL;
-    EXPECT_EQ(crc64(reinterpret_cast<const unsigned char *>(inData), 9), expect);
+    EXPECT_EQ(crc64(inData, 9), expect);
 }
 
 TEST(CRC8PolyTest, BasicTest)

unit-test/ut/test_harness.cpp

@@ -1,9 +1,12 @@
 #include "test_harness.h"
 
-#include <vector>
 #include <string>
-#include <cstring>
-#include <ctime>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <vector>
 
 namespace common {
     namespace test {
@@ -77,15 +80,9 @@ namespace common {
                 startMs_, endMs, endMs - startMs_);
         }
         long TestPerfomence::NowMs() {
-            timespec timeNow{};
-
-            if (timespec_get(&timeNow, TIME_UTC) != TIME_UTC)
-            {
-                fputs("timespec_get failed!", stderr);
-                return 0;
-            }
-
-            return static_cast<long>(timeNow.tv_sec * 1000 + timeNow.tv_nsec / 1000);
+            struct timeval timeNow;
+            gettimeofday(&timeNow, NULL);
+            return (timeNow.tv_sec) * 1000 + timeNow.tv_usec / 1000;
         }
 
     }

unit-test/ut/test_harness.h

@@ -48,7 +48,7 @@ class Tester {
         fname_, line_, ss_.str().c_str());
       fprintf(stderr, "\033[0m");
       errCount++;
-      exit(1);
+      //exit(1);
     }
   }
 
@@ -64,7 +64,7 @@ class Tester {
   template <class X, class Y>                           \
   Tester& name(const X& x, const Y& y) {                \
     if (! (x op y)) {                                   \
-      ss_ << " failed: Expect:" << std::hex << uint64_t {x} << (" " #op " ") << "Actual:" << std::hex << uint64_t {y};    \
+      ss_ << " failed: Expect:" << x << (" " #op " ") << "Actual:" << y;    \
       ok_ = false;                                                   \
     }                                                   \
     return *this;                                       \