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 */ 50 const char * 51 suffix_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 */ 61 const char * 62 basename_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 */ 72 const char * 73 dirname_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 */ 98 int 99 ispkgpattern(const char *pkg) 100 { 101 return strpbrk(pkg, "<>[]?*{") != NULL; 102 } 103