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/*
* Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2004
* Tama Communications Corporation
* #ifdef __DJGPP__
* Contributed by Jason Hood <jadoxa@yahoo.com.au>, 2001.
# #endif
*
* This file is part of GNU GLOBAL.
*
* GNU GLOBAL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU GLOBAL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#ifdef __DJGPP__
#include <fcntl.h> /* for _USE_LFN */
#endif
#include "gparam.h"
#include "path.h"
#include "strlimcpy.h"
/*
* isabspath: whether absolute path or not
*
* i) path path
* r) 1: absolute, 0: not absolute
*/
int
isabspath(p)
const char *p;
{
if (p[0] == '/')
return 1;
#if defined(_WIN32) || defined(__DJGPP__)
if (p[0] == '\\')
return 1;
if (isdrivechar(p[0]) && p[1] == ':' && (p[2] == '\\' || p[2] == '/'))
return 1;
#endif
return 0;
}
/*
* canonpath: make canonical path name.
*
* io) path path
* r) path
*
* Note: canonpath rewrite argument buffer.
*/
char *
canonpath(path)
char *path;
{
#ifdef __DJGPP__
char *p;
if (_USE_LFN) {
char name[260], sfn[13];
char *base;
/*
* Ensure we're using a complete long name, not a mixture
* of long and short.
*/
_truename(path, path);
/*
* _truename will successfully convert the path of a non-
* existant file, but it's probably still a mixture of long and
* short components - convert the path separately.
*/
if (access(path, F_OK) != 0) {
base = basename(path);
strcpy(name, base);
*base = '\0';
_truename(path, path);
strcat(path, name);
}
/*
* Convert the case of 8.3 names, as other djgpp functions do.
*/
if (!_preserve_fncase()) {
for (p = path+3, base = p-1; *base; p++) {
if (*p == '\\' || *p == '\0') {
memcpy(name, base+1, p-base-1);
name[p-base-1] = '\0';
if (!strcmp(_lfn_gen_short_fname(name, sfn), name)) {
while (++base < p)
if (*base >= 'A' && *base <= 'Z')
*base += 'a' - 'A';
} else
base = p;
}
}
}
}
/*
* Lowercase the drive letter and convert to slashes.
*/
path[0] = tolower(path[0]);
for (p = path+2; *p; ++p)
if (*p == '\\')
*p = '/';
#else
#ifdef _WIN32
char *p, *s;
p = path;
/*
* Change \ to / in a path (for DOS/Windows paths)
*/
while ((p = strchr(p, '\\')) != NULL)
*p = '/';
#ifdef __CYGWIN__
/*
* On NT with CYGWIN, getcwd can return something like
* "//c/tmp", which isn't usable. We change that to "c:/tmp".
*/
p = path;
if (p[0] == '/' && p[1] == '/' && isdrivechar(p[2]) && p[3] == '/') {
s = &p[2]; /* point drive char */
*p++ = *s++;
*p++ = ':';
while (*p++ = *s++)
;
}
#endif /* __CYGWIN__ */
#endif /* _WIN32 */
#endif /* __DJGPP__ */
return path;
}
#if (defined(_WIN32) && !defined(__CYGWIN__)) || defined(__DJGPP__)
/*
* realpath: get the complete path
*/
char *
realpath(in_path, out_path)
const char *in_path;
char *out_path;
{
#ifdef __DJGPP__
/*
* I don't use _fixpath or _truename in LFN because neither guarantee
* a complete long name. This is mainly DOS's fault, since the cwd can
* be a mixture of long and short components.
*/
if (_USE_LFN) {
strlimcpy(out_path, in_path, MAXPATHLEN);
canonpath(out_path);
} else
_fixpath(in_path, out_path);
#else
_fullpath(out_path, in_path, MAXPATHLEN);
canonpath(out_path);
#endif
return out_path;
}
#endif
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