1 #ifndef DIR_H 2 #define DIR_H 3 4 /* $OpenBSD: dir.h,v 1.29 2013/04/23 14:32:53 espie Exp $ */ 5 /* $NetBSD: dir.h,v 1.4 1996/11/06 17:59:05 christos Exp $ */ 6 7 /* 8 * Copyright (c) 1988, 1989, 1990 The Regents of the University of California. 9 * Copyright (c) 1988, 1989 by Adam de Boor 10 * Copyright (c) 1989 by Berkeley Softworks 11 * All rights reserved. 12 * 13 * This code is derived from software contributed to Berkeley by 14 * Adam de Boor. 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 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: @(#)dir.h 8.1 (Berkeley) 6/6/93 41 */ 42 43 #include <sys/time.h> 44 45 /* dir -- 46 * Directory searching using wildcards and/or normal names... 47 * Used both for source wildcarding in the Makefile and for finding 48 * implicit sources. 49 */ 50 51 /* Dir_Init() 52 * Initialize the module. 53 */ 54 extern void Dir_Init(void); 55 56 /* 57 * Manipulating paths. By convention, the empty path always allows for 58 * finding files in the current directory. 59 */ 60 61 /* Dir_AddDiri(path, name, end); 62 * Add directory (name, end) to a search path. 63 */ 64 extern void Dir_AddDiri(Lst, const char *, const char *); 65 #define Dir_AddDir(l, n) Dir_AddDiri(l, n, NULL) 66 67 /* Dir_Concat(p1, p2); 68 * Concatenate two paths, adding dirs in p2 to the end of p1, but 69 * avoiding duplicates. 70 */ 71 extern void Dir_Concat(Lst, Lst); 72 73 /* Dir_Destroy(d); 74 * Destroy a directory in a search path. 75 */ 76 extern void Dir_Destroy(void *); 77 78 /* p2 = Dir_CopyDir(p); 79 * Return a copy of a directory. Callback to duplicate search paths. 80 */ 81 extern void *Dir_CopyDir(void *); 82 83 /* Dir_PrintPath(p); 84 * Print the directory names along a given path. 85 */ 86 extern void Dir_PrintPath(Lst); 87 88 89 /* 90 * Handling file names, and looking them up in paths 91 */ 92 93 /* fullname = Dir_FindFileComplexi(name, end, path, checkCurdirFirst) 94 * Searches for a file (name, end) on a given search path. If it exists, 95 * return the fullname of the file, otherwise NULL. 96 * The fullname is always a copy, and the caller is responsible for 97 * free()ing it. 98 * Looking for a simple name always looks in the current directory, 99 * unless checkCurdirFirst is false. 100 * For complex names, the current directory search only occurs for 101 * paths with dot in them. 102 */ 103 extern char *Dir_FindFileComplexi(const char *, const char *, Lst, bool); 104 #define Dir_FindFilei(n, e, p) Dir_FindFileComplexi(n, e, p, true) 105 #define Dir_FindFileNoDoti(n, e, p) Dir_FindFileComplexi(n, e, p, false) 106 #define Dir_FindFile(n, p) Dir_FindFilei(n, strchr(n, '\0'), p) 107 #define Dir_FindFileNoDot(n, p) Dir_FindFileNoDoti(n, strchr(n, '\0'), p) 108 109 /* stamp = Dir_MTime(gn); 110 * Return the modification time of node gn, searching along 111 * the default search path. 112 * Side effect: the path and mtime fields of gn are filled in. 113 * Return specific value if file can't be found, to be tested by 114 * is_out_of_date(). 115 */ 116 extern struct timespec Dir_MTime(GNode *); 117 118 119 120 121 /* 122 * Misc 123 */ 124 125 /* List of directories to search when looking for targets. */ 126 extern Lst defaultPath; 127 128 129 /* communication between dir.c and direxpand.c */ 130 struct PathEntry; 131 extern struct PathEntry *dot; 132 /* Handles wildcard expansion on a given directory. */ 133 extern void Dir_MatchFilesi(const char *, const char *, struct PathEntry *, 134 Lst); 135 extern char *PathEntry_name(struct PathEntry *); 136 #endif /* DIR_H */ 137