storing a token pointer as a string

CoreLEx · #1 06-Oct-2003, 09:08

Hello everyone,

New guy here. I've only just started learning C. I'm trying to write a program that tokenizes a string and then stores each token into a string (char[]). The token is a char pointer. Printing it to the screen without first dereferencing it is fine, as it displays the contents of its memory address. However, when I try to assign it to a string variable I get the error:

error C2440: '=' : cannot convert from 'char' to 'char [9]'

I'd appreciate any help. I've included my code below. The line with the error is in bold.

CPP / C++ / C Code:

char strTest[]="TRACKINGID: 1365 DATE: 20030901 TIME: 1200 ROUTE: 12 DRIVER: 005 STATUS: Nobody present";
	char transDate[9];
	int tokenCounter; //to keep track of tokens in a transaction

tokenCounter=0;

	// -- Tokenize single transaction line 
	char *token;
	token=strtok(strTest,":"); // : is delimeter, strTest string to be tokenized
	while(token!=NULL) //loop until last delimeter
	{
		token=strtok(NULL," "); //extract data between white spaces in token

		if(tokenCounter==0)
			transDate=*token;

		printf("%s\n",token);

		token=strtok(NULL,":"); //tokenize string 

		tokenCounter=tokenCounter+1;
	}

	return 0;

Thanks.

Garth Farley · #2 07-Oct-2003, 12:33

The problem is with this line:

CPP / C++ / C Code:

transDate=*token;

token is a pointer to a single character in the char array. It's not pointing to the whole chunk, just the first character. So you're placing a single character into the transDate array which'll take 9 chars, that's why it's failing to change a char to a char[9].

You've to loop through transDate to get the whole string to stick into the array.

GF

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