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

static char *sccsid = "@(#)basename.c	4.2 (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
38582a33 KM	1	static char *sccsid = "@(#)basename.c 4.2 (Berkeley) %G%";
	2
	3	#include <stdio.h>
8c24706b BJ	4
	5	main(argc, argv)
	6	char **argv;
	7	{
	8	register char p1, p2, *p3;
	9
	10	if (argc < 2) {
	11	putchar('\n');
	12	exit(1);
	13	}
	14	p1 = argv[1];
	15	p2 = p1;
	16	while (*p1) {
	17	if (*p1++ == '/')
	18	p2 = p1;
	19	}
	20	if (argc>2) {
	21	for(p3=argv[2]; *p3; p3++)
	22	;
	23	while(p1>p2 && p3>argv[2])
	24	if(--p3 != --p1)
	25	goto output;
	26	*p1 = '\0';
	27	}
	28	output:
	29	puts(p2, stdout);
	30	exit(0);
	31	}