[C] String Retrival

sloppyjoe · **Joined:** 17 Mar 2009 21:04 **Posts:** 7

Out of my own curiousity I attempted writing a little function to retrieve strings without the use of string.h, however whenever I call the function the program crashes, here is the function:

Code:

int string(void)
{
int i; 
char string[i];

for(i=0; (i!="\n")&&(i<=2147483646); i++)
{
string[i] = getchar();
if ('string[i]'=="\b") {
                      printf("\b");
                      i--;
                      }
else printf("%c", &string[i]);
}
}

aluigi · **Posted:** 17 Mar 2009 23:26

it's normal that crashes, that code is wrong in almost each line and is not clear what it should do :)

the following function is the correct code of what I "guess" should be done by the one you pasted:

Code:

int string(void) {
    int     i;
    char    buf[1000];

    for(i = 0; i < (sizeof(buf) - 1); i++) {
        buf[i] = getchar();
        fputc(buf[i], stdout);
        if(buf[i] == '\b') i--;
        if(buf[i] == '\n') break;
    }
    buf[i] = 0;
    return(i);
}

sloppyjoe · **Joined:** 17 Mar 2009 21:04 **Posts:** 7

Thanks so much I am learning C through a code book I found in the trash pretty worn, I do not have internet access either (posting from a friends house).

Luigi Auriemma

[C] String Retrival