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