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

#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);
}
Commit	Line	Data
9c79dca0 BJ	1	#include "stdio.h"
	2
	3	main(argc, argv)
	4	char **argv;
	5	{
	6	register char p1, p2, *p3;
	7
	8	if (argc < 2) {
	9	putchar('\n');
	10	exit(1);
	11	}
	12	p1 = argv[1];
	13	p2 = p1;
	14	while (*p1) {
	15	if (*p1++ == '/')
	16	p2 = p1;
	17	}
	18	if (argc>2) {
	19	for(p3=argv[2]; *p3; p3++)
	20	;
	21	while(p1>p2 && p3>argv[2])
	22	if(--p3 != --p1)
	23	goto output;
	24	*p1 = '\0';
	25	}
	26	output:
	27	puts(p2, stdout);
	28	exit(0);
	29	}