Thread: *char comditional matching problem

  1. #1
    Registered User
    Join Date
    Mar 2004

    *char comditional matching problem

    let's say this code:

    char bufferx[] = "abc~defghi"
    char buf[111];
    char *a_full_parm(const char *bufferx)
    	int i =0;
    	int j = 0;
    	int bkm;
    	for(i=0; i< 256; i++)  
    		if (bufferx[i] == '~')
    			bkm= i;
    			for(j=0; j < bkm ; j++)
    				buf[j] = bufferx[j];
    			buf[j] = '\0';
    			return buf;

    how i need to match it

    if (full_parm(buffer ) == "abc") <=== BIG PROBLEM
    {do something}

    but i cant match it coz itz not exactly the same??
    do i need to do casting??
    how do i go about doing the matching to "abc" here?

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    Read about strcmp() in your manual pages
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

  3. #3
    Confused Magos's Avatar
    Join Date
    Sep 2001
    Or use std::string, since it has overloaded the == and != operators.

    Give a man a fish and you feed him for a day.
    Teach a man to fish and you feed him for a lifetime.

  4. #4
    vae victus! skorman00's Avatar
    Join Date
    Nov 2003
    you can't compare a char* to a hardcoded string in this fashion. Your logic is right, but things aren't happening as you would like them to.

    Take Salem's advice.

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