fix build warnings

[Junbo-Zheng]

fix build warnings

➜  /Users/junbozheng/project/cNV git:(master) ✗ cmake --build build -j16
[ 20%] Building C object CMakeFiles/cNV.dir/cJSON/cJSON_Utils.c.o
[ 60%] Building C object CMakeFiles/cNV.dir/test.c.o
[ 60%] Building C object CMakeFiles/cNV.dir/cJSON/cJSON.c.o
[ 80%] Building C object CMakeFiles/cNV.dir/nv/nv.c.o
/Users/junbozheng/project/cNV/nv/nv.c:100:32: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
            json = cJSON_Parse(nv_buffer);
                               ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:148:47: note: passing argument to parameter 'value' here
CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value);
                                              ^
/Users/junbozheng/project/cNV/nv/nv.c:244:17: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
        sprintf(nv_buffer, "%d.%d.%d.%d", *((uint32_t *)value),
                ^~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.2.sdk/usr/include/secure/_stdio.h:47:28: note: expanded from macro 'sprintf'
  __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
                           ^~~
/Users/junbozheng/project/cNV/nv/nv.c:248:44: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
            cJSON_SetValuestring(key_item, nv_buffer);
                                           ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:280:69: note: passing argument to parameter 'valuestring' here
CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring);
                                                                    ^
/Users/junbozheng/project/cNV/nv/nv.c:250:48: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
            cJSON_AddStringToObject(json, key, nv_buffer);
                                               ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:269:112: note: passing argument to parameter 'string' here
CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string);
                                                                                                               ^
/Users/junbozheng/project/cNV/nv/nv.c:255:17: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
        sprintf(nv_buffer, "%d-%d-%d-%d-%d-%d", *((uint32_t *)value),
                ^~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.2.sdk/usr/include/secure/_stdio.h:47:28: note: expanded from macro 'sprintf'
  __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
                           ^~~
/Users/junbozheng/project/cNV/nv/nv.c:261:44: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
            cJSON_SetValuestring(key_item, nv_buffer);
                                           ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:280:69: note: passing argument to parameter 'valuestring' here
CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring);
                                                                    ^
/Users/junbozheng/project/cNV/nv/nv.c:263:48: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
            cJSON_AddStringToObject(json, key, nv_buffer);
                                               ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:269:112: note: passing argument to parameter 'string' here
CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string);
                                                                                                               ^
/Users/junbozheng/project/cNV/nv/nv.c:297:31: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
    cJSON* json = cJSON_Parse(nv_buffer);
                              ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:148:47: note: passing argument to parameter 'value' here
CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value);
                                              ^
/Users/junbozheng/project/cNV/nv/nv.c:289:64: error: unused parameter 'len' [-Werror,-Wunused-parameter]
bool nv_get(const char* file, char* key, char* value, uint32_t len,
                                                               ^
/Users/junbozheng/project/cNV/test.c:341:23: error: comparison of integers of different signs: 'int' and 'unsigned long' [-Werror,-Wsign-compare]
    for (int i = 0; i < ARRAY_SIZE(score_buf); i++) {
                    ~ ^ ~~~~~~~~~~~~~~~~~~~~~/Users/junbozheng/project/cNV/nv/nv.c
:348:32: error: /Users/junbozheng/project/cNV/test.c:357comparison of integers of different signs: 'uint32_t' (aka 'unsigned int') and 'int' [-Werror,-Wsign-compare]:23
: error: comparison of integers of different signs: 'int' and 'unsigned long' [-Werror,-Wsign-compare]        for (uint32_t i = 0; i < size; i++) {

                             ~ ^ ~~~~
    for (int i = 0; i < ARRAY_SIZE(score_buf); i++) {
                    ~ ^ ~~~~~~~~~~~~~~~~~~~~~
/Users/junbozheng/project/cNV/nv/nv.c:400:31: error: passing 'uint8_t[1024]' (aka 'unsigned char[1024]') to parameter of type 'const char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Werror,-Wpointer-sign]
    cJSON* json = cJSON_Parse(nv_buffer);
                              ^~~~~~~~~
/Users/junbozheng/project/cNV/cJSON/cJSON.h:148:47: note: passing argument to parameter 'value' here
CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value);
                                              ^
2 errors generated.
11 errors generated.
make[2]: *** [CMakeFiles/cNV.dir/nv/nv.c.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [CMakeFiles/cNV.dir/test.c.o] Error 1
make[1]: *** [CMakeFiles/cNV.dir/all] Error 2
make: *** [all] Error 2

Signed-off-by: Junbo Zheng [email protected]