BSD 4 release

[unix-history] / usr / src / cmd / basename.c

static char *sccsid = "@(#)basename.c   4.1 (Berkeley) 10/1/80";
#include        "stdio.h"

main(argc, argv)
char **argv;
{
       register char *p1, *p2, *p3;

       if (argc < 2) {
               putchar('\n');
               exit(1);
       }
       p1 = argv[1];
       p2 = p1;
       while (*p1) {
               if (*p1++ == '/')
                       p2 = p1;
       }
       if (argc>2) {
               for(p3=argv[2]; *p3; p3++) 
                       ;
               while(p1>p2 && p3>argv[2])
                       if(*--p3 != *--p1)
                               goto output;
               *p1 = '\0';
       }
output:
       puts(p2, stdout);
       exit(0);
}