Subversion Repositories planix.SVN

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

main(int argc, char **argv)
{
        char *f, *s;
        int n;

        if(argc != 2){
                fprintf(stderr, "Usage: dirname string\n");
                exit(1);
        }
        s = argv[1];
        f = s + strlen(s) - 1;
        while(f > s && *f == '/')
                f--;
        *++f = 0;
        /* now f is after last char of string, trailing slashes removed */

        for(; f >= s; f--)
                if(*f == '/'){
                        f++;
                        break;
                }
        if(f < s) {
                *s = '.';
                s[1] = 0;
        } else {
                --f;
                while(f > s && *f == '/')
                        f--;
                f[1] = 0;
        }

        printf("%s\n", s);
        return 0;
}