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

static char *sccsid = "@(#)basename.c	4.1 (Berkeley) %G%";
#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
8c24706b BJ	1	static char *sccsid = "@(#)basename.c 4.1 (Berkeley) %G%";
	2	#include "stdio.h"
	3
	4	main(argc, argv)
	5	char **argv;
	6	{
	7	register char p1, p2, *p3;
	8
	9	if (argc < 2) {
	10	putchar('\n');
	11	exit(1);
	12	}
	13	p1 = argv[1];
	14	p2 = p1;
	15	while (*p1) {
	16	if (*p1++ == '/')
	17	p2 = p1;
	18	}
	19	if (argc>2) {
	20	for(p3=argv[2]; *p3; p3++)
	21	;
	22	while(p1>p2 && p3>argv[2])
	23	if(--p3 != --p1)
	24	goto output;
	25	*p1 = '\0';
	26	}
	27	output:
	28	puts(p2, stdout);
	29	exit(0);
	30	}