Base.subproj/CFSystemDirectories.c

   1 /*
   2  * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*      CFSystemDirectories.c
  24         Copyright 1997-2002, Apple, Inc. All rights reserved.
  25         Responsibility: Ali Ozer
  26 */
  27
  28 /*
  29         This file defines CFCopySearchPathForDirectoriesInDomains().
  30         On MacOS 8, this function returns empty array.
  31         On Mach, it calls the System.framework enumeration functions.
  32         On Windows, it calls the enumeration functions defined here.
  33 */
  34
  35 #include <CoreFoundation/CFPriv.h>
  36 #include "CFInternal.h"
  37
  38 #if defined(__MACH__)
  39
  40 /* We use the System framework implementation on Mach.
  41 */
  42 #include <libc.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <NSSystemDirectories.h>
  46
  47 CFSearchPathEnumerationState __CFStartSearchPathEnumeration(CFSearchPathDirectory dir, CFSearchPathDomainMask domainMask) {
  48     return NSStartSearchPathEnumeration(dir, domainMask);
  49 }
  50
  51 CFSearchPathEnumerationState __CFGetNextSearchPathEnumeration(CFSearchPathEnumerationState state, uint8_t *path, CFIndex pathSize) {
  52     CFSearchPathEnumerationState result;
  53     // NSGetNextSearchPathEnumeration requires a MAX_PATH size
  54     if (pathSize < PATH_MAX) {
  55         uint8_t tempPath[PATH_MAX];
  56         result = NSGetNextSearchPathEnumeration(state, tempPath);
  57         strlcpy(path, tempPath, pathSize);
  58     } else {
  59         result = NSGetNextSearchPathEnumeration(state, path);
  60     }
  61     return result;
  62 }
  63
  64 #endif
  65
  66
  67 #if defined(__MACH__) || defined(__WIN32__)
  68
  69 CFArrayRef CFCopySearchPathForDirectoriesInDomains(CFSearchPathDirectory directory, CFSearchPathDomainMask domainMask, Boolean expandTilde) {
  70     CFMutableArrayRef array;
  71     CFSearchPathEnumerationState state;
  72     CFIndex homeLen = -1;
  73     char cPath[CFMaxPathSize], home[CFMaxPathSize];
  74
  75     array = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
  76     state = __CFStartSearchPathEnumeration(directory, domainMask);
  77     while ((state = __CFGetNextSearchPathEnumeration(state, cPath, sizeof(cPath)))) {
  78         CFURLRef url = NULL;
  79         if (expandTilde && (cPath[0] == '~')) {
  80             if (homeLen < 0) {
  81                 CFURLRef homeURL = CFCopyHomeDirectoryURLForUser(NULL);
  82                 if (homeURL) {
  83                     CFURLGetFileSystemRepresentation(homeURL, true, home, CFMaxPathSize);
  84                     homeLen = strlen(home);
  85                     CFRelease(homeURL);
  86                 }
  87             }
  88             if (homeLen + strlen(cPath) < CFMaxPathSize) {
  89                 home[homeLen] = '\0';
  90                 strcat(home, &cPath[1]);
  91                 url = CFURLCreateFromFileSystemRepresentation(NULL, home, strlen(home), true);
  92             }
  93         } else {
  94             url = CFURLCreateFromFileSystemRepresentation(NULL, cPath, strlen(cPath), true);
  95         }
  96         if (url) {
  97             CFArrayAppendValue(array, url);
  98             CFRelease(url);
  99         }
 100     }
 101     return array;
 102 }
 103
 104 #endif
 105
 106 #undef numDirs
 107 #undef numApplicationDirs
 108 #undef numLibraryDirs
 109 #undef numDomains
 110 #undef invalidDomains
 111 #undef invalidDomains
 112