1/* $NetBSD: str.c,v 1.1.1.2 2009/02/02 20:44:08 joerg Exp $ */ 2 3#if HAVE_CONFIG_H 4#include "config.h" 5#endif 6#include <nbcompat.h> 7#if HAVE_SYS_CDEFS_H 8#include <sys/cdefs.h> 9#endif 10__RCSID("$NetBSD: str.c,v 1.1.1.2 2009/02/02 20:44:08 joerg Exp $"); 11 12/* 13 * FreeBSD install - a package for the installation and maintainance 14 * of non-core utilities. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 25 * Jordan K. Hubbard 26 * 18 July 1993 27 * 28 * Miscellaneous string utilities. 29 * 30 */ 31 32#if HAVE_ASSERT_H 33#include <assert.h> 34#endif 35#if HAVE_ERR_H 36#include <err.h> 37#endif 38#if HAVE_FNMATCH_H 39#include <fnmatch.h> 40#endif 41#include "lib.h" 42#include "dewey.h" 43 44/* pull in definitions and macros for resizing arrays as we go */ 45#include "defs.h" 46 47/* 48 * Return the suffix portion of a path 49 */ 50const char * 51suffix_of(const char *str) 52{ 53 const char *dot; 54 55 return ((dot = strrchr(basename_of(str), '.')) == NULL) ? "" : dot + 1; 56} 57 58/* 59 * Return the filename portion of a path 60 */ 61const char * 62basename_of(const char *str) 63{ 64 const char *slash; 65 66 return ((slash = strrchr(str, '/')) == NULL) ? str : slash + 1; 67} 68 69/* 70 * Return the dirname portion of a path 71 */ 72const char * 73dirname_of(const char *path) 74{ 75 size_t cc; 76 char *s; 77 static char buf[MaxPathSize]; 78 79 if ((s = strrchr(path, '/')) == NULL) { 80 return "."; 81 } 82 if (s == path) { 83 /* "/foo" -> return "/" */ 84 return "/"; 85 } 86 cc = (size_t) (s - path); 87 if (cc >= sizeof(buf)) 88 errx(EXIT_FAILURE, "dirname_of: too long dirname: '%s'", path); 89 (void) memcpy(buf, path, cc); 90 buf[cc] = 0; 91 return buf; 92} 93 94/* 95 * Does the pkgname contain any of the special chars ("{[]?*<>")? 96 * If so, return 1, else 0 97 */ 98int 99ispkgpattern(const char *pkg) 100{ 101 return strpbrk(pkg, "<>[]?*{") != NULL; 102} 103