How to pass only one variable of the structure to the function?

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i am trying to pass the particular value of the structure.
below is the structure

typedef struct msg_format
{
char *phone_number[MAX_FIELDS];
char *message[2];
}message_format;

and i am trying to pass value message[1]; only one variable

What I have tried:

i had tried like this in code.

int compare_with_whitelist_number(message_format storage1)
{
        int i,j=1;
        char temp[10];
         char value[20];
        for(i = 0; i < MAX_FIELDS; i++){
                while(j <= WHITELIST_NUMBER)
                {
                        sprintf(temp, "Number%d",j);
                        get_xml_content(FILE_NAME, PARENT_NODE ,temp,value);
                        if(storage1.phone_number[i] == value)
                        {
                                DEBUG("valid whitelist number:pointing to message\n");
                                check_with_message_format(storage1.message[i]);
                                return SUCCESS;

                        }

                        else
                                j++;
                }
        }
        return FAILURE;
}

its is right or wrong i don't please suggest how to pass that value in function and how can i get that value in the function operation

int check_with_message_format(?)<pre>

Posted 11-Dec-19 22:28pm

Member 14684448

Updated 11-Dec-19 22:40pm

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KarstenK · Answer 1 · 2019-12-11T22:39:00

Solution 1

It is very easy by accessing the member of the struct. Tip use & operator for not copying struct memory.

C++

int check_with_message_format(struct msg_format &input)

Your phone number comparison isnt working use strcmp() function.

Posted 11-Dec-19 22:39pm

KarstenK

Shao Voon Wong · Answer 2 · 2019-12-11T22:40:00

Solution 2

Try

C++

int check_with_message_format(char *message);

According to your code snippet, your phone_number and message array member better have the same number of elements.

C++

typedef struct msg_format
{
    char *phone_number[MAX_FIELDS];
    char *message[MAX_FIELDS];
} message_format;

Posted 11-Dec-19 22:40pm

Shao Voon Wong