1 bc7cb1a1 2003-11-23 devnull #include <u.h>
 2 bc7cb1a1 2003-11-23 devnull #include <libc.h>
 3 bc7cb1a1 2003-11-23 devnull 
 4 bc7cb1a1 2003-11-23 devnull void
 5 bc7cb1a1 2003-11-23 devnull main(int argc, char *argv[])
 6 bc7cb1a1 2003-11-23 devnull {
 7 bc7cb1a1 2003-11-23 devnull 	char *pr;
 8 bc7cb1a1 2003-11-23 devnull 	int n, dflag;
 9 bc7cb1a1 2003-11-23 devnull 
10 bc7cb1a1 2003-11-23 devnull 	dflag = 0;
11 bc7cb1a1 2003-11-23 devnull 	if(argc>1 && strcmp(argv[1], "-d") == 0){
12 bc7cb1a1 2003-11-23 devnull 		--argc;
13 bc7cb1a1 2003-11-23 devnull 		++argv;
14 bc7cb1a1 2003-11-23 devnull 		dflag = 1;
15 bc7cb1a1 2003-11-23 devnull 	}
16 bc7cb1a1 2003-11-23 devnull 	if(argc < 2 || argc > 3){
17 bc7cb1a1 2003-11-23 devnull 		fprint(2, "usage: basename [-d] string [suffix]\n");
18 bc7cb1a1 2003-11-23 devnull 		exits("usage");
19 bc7cb1a1 2003-11-23 devnull 	}
20 bc7cb1a1 2003-11-23 devnull 	pr = utfrrune(argv[1], '/');
21 bc7cb1a1 2003-11-23 devnull 	if(dflag){
22 bc7cb1a1 2003-11-23 devnull 		if(pr){
23 bc7cb1a1 2003-11-23 devnull 			*pr = 0;
24 bc7cb1a1 2003-11-23 devnull 			print("%s\n", argv[1]);
25 bc7cb1a1 2003-11-23 devnull 			exits(0);
26 bc7cb1a1 2003-11-23 devnull 		}
27 bc7cb1a1 2003-11-23 devnull 		print(".\n");
28 bc7cb1a1 2003-11-23 devnull 		exits(0);
29 bc7cb1a1 2003-11-23 devnull 	}
30 bc7cb1a1 2003-11-23 devnull 	if(pr)
31 bc7cb1a1 2003-11-23 devnull 		pr++;
32 bc7cb1a1 2003-11-23 devnull 	else
33 bc7cb1a1 2003-11-23 devnull 		pr = argv[1];
34 bc7cb1a1 2003-11-23 devnull 	if(argc==3){
35 bc7cb1a1 2003-11-23 devnull 		n = strlen(pr)-strlen(argv[2]);
36 bc7cb1a1 2003-11-23 devnull 		if(n >= 0 && !strcmp(pr+n, argv[2]))
37 bc7cb1a1 2003-11-23 devnull 			pr[n] = 0;
38 bc7cb1a1 2003-11-23 devnull 	}
39 bc7cb1a1 2003-11-23 devnull 	print("%s\n", pr);
40 bc7cb1a1 2003-11-23 devnull 	exits(0);
41 bc7cb1a1 2003-11-23 devnull }