Re: trouble getting c-chars from NSString
Re: trouble getting c-chars from NSString
- Subject: Re: trouble getting c-chars from NSString
- From: Julien Palmas <email@hidden>
- Date: Thu, 31 Mar 2005 12:11:26 +0900
if you want to get a cString from a NSString and do something with it after, you should use
NSString *test = @"a string";
char *aChar;
aChar = (char *)malloc(sizeof([test cString]+1));
[test getCString:aChar];
On Mar 31, 2005, at 11:49 AM, Daniel Child wrote:
Hi All,
Sorry, I am a newbie and I only did a tiny bit of C, so this question is pretty basic. I am trying to convert an NSString to a C-String so that I can remove certain characters. Somehow I don't seem to be able to get the cString returned from the [NSString cString] method to be assigned to a character array.
Here's what I have at this point.
NSString *original = @<some string of characters that contains digits> e.g. asd5sd
char *origChars = [original cString]; // my c-string
*charPtr;
char charArray[];
char newWord[]; // a word without numbers
int numCharsInNewWord
If I try to assign origChars to either *charPtr or charArray, I get an error. What I'm hoping to do is to get a word that is devoid of numbers.
numCharsInNewWord = 0;
while (charPtr != '\0') {
if (charPtr >= '\0' && charPtr <= '\9')
; // don't copy digits
else
newWord[numCharsInNewWord++];
charPtr++;
}
Thanks in advance!
Daniel
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