SphinxBase  0.6
filename.c
1 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* ====================================================================
3  * Copyright (c) 1999-2004 Carnegie Mellon University. All rights
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5  *
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14  * notice, this list of conditions and the following disclaimer in
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18  * This work was supported in part by funding from the Defense Advanced
19  * Research Projects Agency and the National Science Foundation of the
20  * United States of America, and the CMU Sphinx Speech Consortium.
21  *
22  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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37 /*
38  * filename.c -- File and path name operations.
39  *
40  * **********************************************
41  * CMU ARPA Speech Project
42  *
43  * Copyright (c) 1999 Carnegie Mellon University.
44  * ALL RIGHTS RESERVED.
45  * **********************************************
46  *
47  * HISTORY
48  * $Log: filename.c,v $
49  * Revision 1.5 2005/06/22 03:01:07 arthchan2003
50  * Added keyword
51  *
52  * Revision 1.3 2005/03/30 01:22:48 archan
53  * Fixed mistakes in last updates. Add
54  *
55  *
56  * 30-Oct-1997 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University.
57  * Started.
58  */
59 
60 
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <assert.h>
65 
66 #include "sphinxbase/filename.h"
67 
68 #ifdef _MSC_VER
69 #pragma warning (disable: 4996)
70 #endif
71 
72 
73 /* Strip off all leading pathname components */
74 void
75 path2basename(const char *path, char *base)
76 {
77  int32 i, l;
78 
79  l = strlen(path);
80 #if defined(_WIN32) || defined(__CYGWIN__)
81  for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i);
82 #else
83  for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i);
84 #endif
85  strcpy(base, path + i + 1);
86 }
87 
88 /* Return all leading pathname components */
89 void
90 path2dirname(const char *path, char *dir)
91 {
92  int32 i, l;
93 
94  l = strlen(path);
95 #if defined(_WIN32) || defined(__CYGWIN__)
96  for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i);
97 #else
98  for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i);
99 #endif
100  if (i <= 0)
101  dir[0] = '\0';
102  else {
103  memcpy(dir, path, i);
104  dir[i] = '\0';
105  }
106 }
107 
108 
109 /* Strip off the shortest trailing .xyz suffix */
110 void
111 strip_fileext(const char *path, char *root)
112 {
113  int32 i, l;
114 
115  l = strlen(path);
116  for (i = l - 1; (i >= 0) && (path[i] != '.'); --i);
117  if (i < 0)
118  strcpy(root, path); /* Didn't find a . */
119  else {
120  strncpy(root, path, i);
121  }
122 }
123 
124 /* Test if this path is absolute. */
125 int
126 path_is_absolute(const char *path)
127 {
128 #if defined(_WIN32) && !defined(_WIN32_WCE) /* FIXME: Also SymbianOS */
129  return /* Starts with drive letter : \ or / */
130  (strlen(path) >= 3
131  &&
132  ((path[0] >= 'A' && path[0] <= 'Z')
133  || (path[0] >= 'a' && path[0] <= 'z'))
134  && path[1] == ':'
135  && (path[2] == '/' || path[2] == '\\'));
136 #elif defined(_WIN32_WCE)
137  return path[0] == '\\' || path[0] == '/';
138 #else /* Assume Unix */
139  return path[0] == '/';
140 #endif
141 }
SPHINXBASE_EXPORT void path2basename(const char *path, char *base)
Strip off leading path components from the given path and copy the base into base.
Definition: filename.c:75
SPHINXBASE_EXPORT void strip_fileext(const char *file, char *root)
Strip off the smallest trailing file-extension suffix and copy the rest into the given root argument...
Definition: filename.c:111
File names related operation.
SPHINXBASE_EXPORT int path_is_absolute(const char *file)
Test whether a pathname is absolute for the current OS.
Definition: filename.c:126
SPHINXBASE_EXPORT void path2dirname(const char *path, char *dir)
Strip off filename from the given path and copy the directory name into dir Caller must have allocate...
Definition: filename.c:90