segmentation fault

This is a discussion on segmentation fault within the C Programming forums, part of the General Programming Boards category; Hello! I written a procedure that is supposed to only include one blank where there are more thatn one space. ...

  1. #1
    Registered User
    Join Date
    Dec 2002
    Posts
    27

    Unhappy segmentation fault

    Hello!

    I written a procedure that is supposed to only include one blank
    where there are more thatn one space.
    Example "A' ' ' 'D' ' 'E' 'FG' 'R' 'G' ' 'T"
    should be "A D E FG R G T"
    (' ' stands for space )
    It works in turbo c but not in linux
    I get segmentation fault all the time.
    What have i done wrong


    Here is the code
    Code:
    char *noDoublespace(char str[]){
    	int flag_isspace=0;
    	int i=0,y=0;
    	while(str[i]){
    		if(str[i]==' ' && !flag_isspace){
    			flag_isspace=1;
    			str[y]=str[i];
    			y++;
    		}
    		else if(str[i]!=' '){
    			flag_isspace=0;
    			str[y]=str[i];
    			y++;
    		}
    	i++;
    	}
    	str[y]='\0';
    }
    "Can i really learn this? If i cant, why bother?"

  2. #2
    Registered User
    Join Date
    Dec 2002
    Posts
    27
    I do it the second way.
    like this
    Code:
    noDoublespace(str);
    
    printf("%s\n",str);
    and have declared char *str="somethin...";
    "Can i really learn this? If i cant, why bother?"

  3. #3
    Registered User
    Join Date
    Dec 2002
    Posts
    27
    Ok, thanks for the help.
    Now i see the big picture.
    "Can i really learn this? If i cant, why bother?"

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