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