1 /* 2 * Copyright (c) 1987 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 char copyright[] = 20 "@(#) Copyright (c) 1987 Regents of the University of California.\n\ 21 All rights reserved.\n"; 22 #endif /* not lint */ 23 24 #ifndef lint 25 static char sccsid[] = "@(#)basename.c 4.6 (Berkeley) 11/29/88"; 26 #endif /* not lint */ 27 28 #include <stdio.h> 29 30 main(argc, argv) 31 int argc; 32 char **argv; 33 { 34 register char *p, *t; 35 char *base; 36 37 if (argc < 2 || argc > 3) { 38 fprintf(stderr, "usage: basename string [suffix]\n"); 39 exit(1); 40 } 41 for (p = base = *++argv; *p;) 42 if (*p++ == '/') 43 base = p; 44 if (argc == 3) { 45 for (t = *++argv; *t; ++t); 46 do { 47 if (t == *argv) { 48 *p = '\0'; 49 break; 50 } 51 } while (p >= base && *--t == *--p); 52 } 53 printf("%s\n", base); 54 exit(0); 55 } 56