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deb-goldedplus/goldlib/gall/gfilutil.h

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// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// Copyright (C) 1999-2000 Alexander S. Aganichev
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// File/disk handling functions.
// ------------------------------------------------------------------
#ifndef __gfilutil_h
#define __gfilutil_h
// ------------------------------------------------------------------
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
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#ifndef _MSC_VER
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#include <unistd.h>
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#else
#include <cstdlib>
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#include <direct.h>
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#endif
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#include <cerrno>
#include <cstdio>
#include <string>
#include <gshare.h>
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#if !defined(__UNIX__)
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#include <io.h>
#endif
// ------------------------------------------------------------------M
#if defined(__UNIX__)
#if not defined(__BEOS__)
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#define O_TEXT 0
#define O_BINARY 0
#endif
#endif
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#ifndef S_IWUSR
#define S_IWUSR S_IWRITE
#define S_IRUSR S_IREAD
#endif
#if defined(__UNIX__)
#define S_STDRW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#define S_STDRD (S_IRUSR|S_IRGRP|S_IROTH)
#else
#define S_STDRW (S_IRUSR|S_IWUSR)
#define S_STDRD S_IRUSR
#endif
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#ifndef S_ISDIR
#define S_ISDIR(st_mode) ((st_mode)&_S_IFDIR)
#endif
#ifndef S_ISREG
#define S_ISREG(st_mode) ((st_mode)&_S_IFREG)
#endif
#ifndef R_OK
#define R_OK 0
#endif
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// ------------------------------------------------------------------
#define GMAXPATH (FILENAME_MAX+1) /* ANSI C */
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// ------------------------------------------------------------------
// Standardized split/merge defines
#define GMAXDRIVE 265
#define GMAXDIR 256
#define GMAXFILE 256
#define GMAXEXT 256
#define GMAXFILEEXT 256
// ------------------------------------------------------------------
// Misc. defines
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#if defined(__MSDOS__) || defined(__OS2__) || defined(__WIN32__)
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#define GOLD_SLASH_CHR '\\' // Backslash
#define GOLD_SLASH_STR "\\"
#define GOLD_WRONG_SLASH_CHR '/' // Fwrdslash
#define GOLD_WRONG_SLASH_STR "/"
#define GOLD_SHELL_ENV "COMSPEC"
#else
#define GOLD_SLASH_CHR '/' // Fwrdslash
#define GOLD_SLASH_STR "/"
#define GOLD_WRONG_SLASH_CHR '\\' // Backslash
#define GOLD_WRONG_SLASH_STR "\\"
#define GOLD_SHELL_ENV "SHELL"
#endif
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inline bool isslash(char c) { return (c == '\\') or (c == '/'); }
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// ------------------------------------------------------------------
// Path typedefs
typedef char Path[GMAXPATH];
// ------------------------------------------------------------------
// Structure for filetime stamp checking
struct Stamp {
dword ft; // Timestamp
Path fn; // Filename
byte fc; // Filecheck
};
// ------------------------------------------------------------------
// Prototypes
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#if !defined(__GNUC__) || defined(__MINGW32__)
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#define mkdir(path,unused) mkdir(path)
#endif
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#ifdef __EMX__
#define getcwd _getcwd2
#define chdir _chdir2
#endif
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FILE* fsopen(const char* path, const char* type, int shflag);
inline FILE* fsopen(const std::string& path, const char* type, int shflag) { return fsopen(path.c_str(), type, shflag); }
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int is_dir(const char* path);
inline int is_dir(const std::string& path) { return is_dir(path.c_str()); }
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inline bool fexist(const char* filename) { return *filename ? ((access(filename, R_OK) == 0) and not is_dir(filename)) : false; }
inline bool fexist(const std::string& filename) { return fexist(filename.c_str()); }
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dword gfixstattime(time_t st_time);
dword GetFiletime(const char* file);
inline dword GetFiletime(const std::string& file) { return GetFiletime(file.c_str()); }
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inline long FiletimeCmp(const char* file1, const char* file2) { return long(GetFiletime(file1) - GetFiletime(file2)); }
inline long FiletimeCmp(const std::string& file1, const std::string& file2) { return FiletimeCmp(file1.c_str(), file2.c_str()); }
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long fsize(FILE* fp);
long GetFilesize(const char* file);
const char* AddPath(const char* path, const char* file);
inline const char* AddPath(const std::string& path, const char* file) { return AddPath(path.c_str(), file); }
inline const char* AddPath(const std::string& path, const std::string& file) { return AddPath(path.c_str(), file.c_str()); }
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void MakePathname(char* pathname, const char* path, const char* name);
void MakePathname(std::string& pathname, const std::string& path, const std::string& name);
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char* AddBackslash(char* p);
std::string& AddBackslash(std::string& p);
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char* StripBackslash(char* p);
char* PathCopy(char* dst, const char* src);
void PathCopy(std::string& dst, const char* src);
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void TouchFile(const char* __filename);
int TestLockPath(const char* __path);
void WipeFile(const char* file, int options);
const char* CleanFilename(const char* __file);
int strschg_environ(char* s);
int strschg_environ(std::string& s);
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char* MapPath(char* map, bool reverse = false);
inline char* ReMapPath(char* map) { return MapPath(map, true); };
inline long lseekset(int fh, long offset) { return lseek(fh, offset, SEEK_SET); }
inline long lseekset(int fh, long record, long recordsize) { return lseek(fh, record*recordsize, SEEK_SET); }
int gchdir(const char* dir);
// ------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
// ------------------------------------------------------------------
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#if (defined(__BORLANDC__) && defined(__OS2__)) || defined(__UNIX__) || defined(__EMX__)
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long filelength(int fh);
#endif
// ------------------------------------------------------------------
void replaceextension(char *destpath, const char *srcpath, const char *ext);
void extractdirname(char *dir, const char *path);
// ------------------------------------------------------------------
#if defined(_MSC_VER)
int lock(int handle, long offset, long length);
int unlock(int handle, long offset, long length);
#endif
// ------------------------------------------------------------------
#if defined(__DJGPP__)
#undef sopen
#endif
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#if !defined(__DJGPP__) && defined(__GNUC__)
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int lock(int handle, long offset, long length);
int unlock(int handle, long offset, long length);
inline long tell(int fh) { return lseek(fh, 0, SEEK_CUR); }
#endif
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#if !defined(__MINGW32__) && !defined(__EMX__) && defined(__GNUC__)
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inline int eof(int h) {
return tell(h) > filelength(h);
}
inline int sopen(const char* path, int access, int shflag, int mode) {
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#ifdef __UNIX__
shflag = 0;
#endif
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return open(path, access|shflag, mode);
}
#endif
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#if defined(__UNIX__) || defined(__CYGWIN__)
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inline int chsize(int handle, long size) { return ftruncate(handle, size); }
#endif
// ------------------------------------------------------------------
bool maketruepath(std::string &dirname);
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// ------------------------------------------------------------------
#ifdef __cplusplus
}
#endif
// ------------------------------------------------------------------
#endif
// ------------------------------------------------------------------