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/* -*- 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "sphinxbase/filename.h"
#ifdef _MSC_VER
#pragma warning (disable: 4996)
#endif
const char *
path2basename(const char *path)
{
const char *result;
#if defined(_WIN32) || defined(__CYGWIN__)
result = strrchr(path, '\\');
#else
result = strrchr(path, '/');
#endif
return (result == NULL ? path : result + 1);
}
/* Return all leading pathname components */
void
path2dirname(const char *path, char *dir)
{
size_t 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] = '.';
dir[1] = '\0';
} else {
memcpy(dir, path, i);
dir[i] = '\0';
}
}
/* Strip off the shortest trailing .xyz suffix */
void
strip_fileext(const char *path, char *root)
{
size_t 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
}
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