SphinxBase
0.6
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00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ 00002 /* ==================================================================== 00003 * Copyright (c) 1999-2004 Carnegie Mellon University. All rights 00004 * reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * 1. Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * This work was supported in part by funding from the Defense Advanced 00019 * Research Projects Agency and the National Science Foundation of the 00020 * United States of America, and the CMU Sphinx Speech Consortium. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 00023 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 00024 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00025 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY 00026 * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00028 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00029 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00030 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00031 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00032 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 * 00034 * ==================================================================== 00035 * 00036 */ 00037 /* 00038 * filename.c -- File and path name operations. 00039 * 00040 * ********************************************** 00041 * CMU ARPA Speech Project 00042 * 00043 * Copyright (c) 1999 Carnegie Mellon University. 00044 * ALL RIGHTS RESERVED. 00045 * ********************************************** 00046 * 00047 * HISTORY 00048 * $Log: filename.c,v $ 00049 * Revision 1.5 2005/06/22 03:01:07 arthchan2003 00050 * Added keyword 00051 * 00052 * Revision 1.3 2005/03/30 01:22:48 archan 00053 * Fixed mistakes in last updates. Add 00054 * 00055 * 00056 * 30-Oct-1997 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University. 00057 * Started. 00058 */ 00059 00060 00061 #include <stdio.h> 00062 #include <stdlib.h> 00063 #include <string.h> 00064 #include <assert.h> 00065 00066 #include "sphinxbase/filename.h" 00067 00068 #ifdef _MSC_VER 00069 #pragma warning (disable: 4996) 00070 #endif 00071 00072 00073 /* Strip off all leading pathname components */ 00074 void 00075 path2basename(const char *path, char *base) 00076 { 00077 int32 i, l; 00078 00079 l = strlen(path); 00080 #if defined(_WIN32) || defined(__CYGWIN__) 00081 for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i); 00082 #else 00083 for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i); 00084 #endif 00085 strcpy(base, path + i + 1); 00086 } 00087 00088 /* Return all leading pathname components */ 00089 void 00090 path2dirname(const char *path, char *dir) 00091 { 00092 int32 i, l; 00093 00094 l = strlen(path); 00095 #if defined(_WIN32) || defined(__CYGWIN__) 00096 for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i); 00097 #else 00098 for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i); 00099 #endif 00100 if (i <= 0) 00101 dir[0] = '\0'; 00102 else { 00103 memcpy(dir, path, i); 00104 dir[i] = '\0'; 00105 } 00106 } 00107 00108 00109 /* Strip off the shortest trailing .xyz suffix */ 00110 void 00111 strip_fileext(const char *path, char *root) 00112 { 00113 int32 i, l; 00114 00115 l = strlen(path); 00116 for (i = l - 1; (i >= 0) && (path[i] != '.'); --i); 00117 if (i < 0) 00118 strcpy(root, path); /* Didn't find a . */ 00119 else { 00120 strncpy(root, path, i); 00121 } 00122 } 00123 00124 /* Test if this path is absolute. */ 00125 int 00126 path_is_absolute(const char *path) 00127 { 00128 #if defined(_WIN32) && !defined(_WIN32_WCE) /* FIXME: Also SymbianOS */ 00129 return /* Starts with drive letter : \ or / */ 00130 (strlen(path) >= 3 00131 && 00132 ((path[0] >= 'A' && path[0] <= 'Z') 00133 || (path[0] >= 'a' && path[0] <= 'z')) 00134 && path[1] == ':' 00135 && (path[2] == '/' || path[2] == '\\')); 00136 #elif defined(_WIN32_WCE) 00137 return path[0] == '\\' || path[0] == '/'; 00138 #else /* Assume Unix */ 00139 return path[0] == '/'; 00140 #endif 00141 }