filename.c
/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 1999-2004 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
*/
/*
* filename.c -- File and path name operations.
*
* **********************************************
* CMU ARPA Speech Project
*
* Copyright (c) 1999 Carnegie Mellon University.
* ALL RIGHTS RESERVED.
* **********************************************
*
* HISTORY
* $Log: filename.c,v $
* Revision 1.5 2005/06/22 03:01:07 arthchan2003
* Added keyword
*
* Revision 1.3 2005/03/30 01:22:48 archan
* Fixed mistakes in last updates. Add
*
*
* 30-Oct-1997 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University.
* Started.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "sphinxbase/filename.h"
#ifdef _MSC_VER
#pragma warning (disable: 4996)
#endif
/* Strip off all leading pathname components */
void
path2basename(const char *path, char *base)
{
int32 i, l;
l = strlen(path);
#if defined(_WIN32) || defined(__CYGWIN__)
for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i);
#else
for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i);
#endif
strcpy(base, path + i + 1);
}
/* Return all leading pathname components */
void
path2dirname(const char *path, char *dir)
{
int32 i, l;
l = strlen(path);
#if defined(_WIN32) || defined(__CYGWIN__)
for (i = l - 1; (i >= 0) && !(path[i] == '/' || path[i] == '\\'); --i);
#else
for (i = l - 1; (i >= 0) && !(path[i] == '/'); --i);
#endif
if (i <= 0)
dir[0] = '\0';
else {
memcpy(dir, path, i);
dir[i] = '\0';
}
}
/* Strip off the shortest trailing .xyz suffix */
void
strip_fileext(const char *path, char *root)
{
int32 i, l;
l = strlen(path);
for (i = l - 1; (i >= 0) && (path[i] != '.'); --i);
if (i < 0)
strcpy(root, path); /* Didn't find a . */
else {
strncpy(root, path, i);
}
}
/* Test if this path is absolute. */
int
path_is_absolute(const char *path)
{
#if defined(_WIN32) && !defined(_WIN32_WCE) /* FIXME: Also SymbianOS */
return /* Starts with drive letter : \ or / */
(strlen(path) >= 3
&&
((path[0] >= 'A' && path[0] <= 'Z')
|| (path[0] >= 'a' && path[0] <= 'z'))
&& path[1] == ':'
&& (path[2] == '/' || path[2] == '\\'));
#elif defined(_WIN32_WCE)
return path[0] == '\\' || path[0] == '/';
#else /* Assume Unix */
return path[0] == '/';
#endif
}
path2basename
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
strip_fileext
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
filename.h
File names related operation.
path_is_absolute
SPHINXBASE_EXPORT int path_is_absolute(const char *file)
Test whether a pathname is absolute for the current OS.
Definition: filename.c:126
path2dirname
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