X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/254a21292b0ccf234ed1dbc6acd37708672ffcc0..01ad5e43bfb45c4d7622f2d615dd28a411e60367:/src/common/filefn.cpp diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp index eab5a6c4b0..1f87e838c5 100644 --- a/src/common/filefn.cpp +++ b/src/common/filefn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: filefn.cpp +// Name: src/common/filefn.cpp // Purpose: File- and directory-related functions // Author: Julian Smart // Modified by: @@ -17,24 +17,27 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "filefn.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include "wx/defs.h" #ifdef __BORLANDC__ #pragma hdrstop #endif -#include "wx/utils.h" -#include "wx/intl.h" -#include "wx/file.h" // This does include filefn.h +#include "wx/filefn.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" +#endif + +#include "wx/file.h" #include "wx/filename.h" #include "wx/dir.h" +#include "wx/tokenzr.h" + // there are just too many of those... #ifdef __VISUALC__ #pragma warning(disable:4706) // assignment within conditional expression @@ -44,7 +47,7 @@ #include #include #include -#if !defined(__WATCOMC__) +#if !wxONLY_WATCOM_EARLIER_THAN(1,4) #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif @@ -54,15 +57,8 @@ #include "wx/mac/private.h" // includes mac headers #endif -#include "wx/log.h" - -// No, Cygwin doesn't appear to have fnmatch.h after all. -#if defined(HAVE_FNMATCH_H) - #include "fnmatch.h" -#endif - #ifdef __WINDOWS__ - #include "wx/msw/wrapwin.h" + #include "wx/msw/private.h" #include "wx/msw/mslu.h" // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path() @@ -73,8 +69,18 @@ #include #endif #endif // __GNUWIN32__ + + // io.h is needed for _get_osfhandle() + // Already included by filefn.h for many Windows compilers + #if defined __MWERKS__ || defined __CYGWIN__ + #include + #endif #endif // __WINDOWS__ +#if defined(__VMS__) + #include +#endif + // TODO: Borland probably has _wgetcwd as well? #ifdef _MSC_VER #define HAVE_WGETCWD @@ -104,20 +110,24 @@ static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN]; // VisualAge C++ V4.0 cannot have any external linkage const decs // in headers included by more than one primary source // -const off_t wxInvalidOffset = (off_t)-1; +const int wxInvalidOffset = -1; #endif // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- -// we need to translate Mac filenames before passing them to OS functions +// translate the filenames before passing them to OS functions #define OS_FILENAME(s) (s.fn_str()) // ============================================================================ // implementation // ============================================================================ +// ---------------------------------------------------------------------------- +// wrappers around standard POSIX functions +// ---------------------------------------------------------------------------- + #ifdef wxNEED_WX_UNISTD_H WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf ) @@ -125,6 +135,11 @@ WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf ) return stat( wxConvFile.cWX2MB( file_name ), buf ); } +WXDLLEXPORT int wxLstat( const wxChar *file_name, wxStructStat *buf ) +{ + return lstat( wxConvFile.cWX2MB( file_name ), buf ); +} + WXDLLEXPORT int wxAccess( const wxChar *pathname, int mode ) { return access( wxConvFile.cWX2MB( pathname ), mode ); @@ -135,148 +150,160 @@ WXDLLEXPORT int wxOpen( const wxChar *pathname, int flags, mode_t mode ) return open( wxConvFile.cWX2MB( pathname ), flags, mode ); } +#endif // wxNEED_WX_UNISTD_H + +#if wxUSE_UNICODE && defined __BORLANDC__ \ + && __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551 + +// BCC 5.5 and 5.5.1 have a bug in _wopen where files are created read only +// regardless of the mode parameter. This hack works around the problem by +// setting the mode with _wchmod. +// +int wxOpen(const wchar_t *pathname, int flags, mode_t mode) +{ + int moreflags = 0; + + // we only want to fix the mode when the file is actually created, so + // when creating first try doing it O_EXCL so we can tell if the file + // was already there. + if ((flags & O_CREAT) && !(flags & O_EXCL) && (mode & wxS_IWUSR) != 0) + moreflags = O_EXCL; + + int fd = _wopen(pathname, flags | moreflags, mode); + + // the file was actually created and needs fixing + if (fd != -1 && (flags & O_CREAT) != 0 && (mode & wxS_IWUSR) != 0) + { + close(fd); + _wchmod(pathname, mode); + fd = _wopen(pathname, flags & ~(O_EXCL | O_CREAT)); + } + // the open failed, but it may have been because the added O_EXCL stopped + // the opening of an existing file, so try again without. + else if (fd == -1 && moreflags != 0) + { + fd = _wopen(pathname, flags & ~O_CREAT); + } + + return fd; +} + #endif - // wxNEED_WX_UNISTD_H // ---------------------------------------------------------------------------- // wxPathList // ---------------------------------------------------------------------------- -// IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList) - -static inline wxChar* MYcopystring(const wxString& s) +bool wxPathList::Add(const wxString& path) { - wxChar* copy = new wxChar[s.length() + 1]; - return wxStrcpy(copy, s.c_str()); -} + // add a path separator to force wxFileName to interpret it always as a directory + // (i.e. if we are called with '/home/user' we want to consider it a folder and + // not, as wxFileName would consider, a filename). + wxFileName fn(path + wxFileName::GetPathSeparator()); + + // add only normalized relative/absolute paths + // NB: we won't do wxPATH_NORM_DOTS in order to avoid problems when trying to + // normalize paths which starts with ".." (which can be normalized only if + // we use also wxPATH_NORM_ABSOLUTE - which we don't want to use). + if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS)) + return false; -static inline wxChar* MYcopystring(const wxChar* s) -{ - wxChar* copy = new wxChar[wxStrlen(s) + 1]; - return wxStrcpy(copy, s); + wxString toadd = fn.GetPath(); + if (Index(toadd) == wxNOT_FOUND) + wxArrayString::Add(toadd); // do not add duplicates + + return true; } -void wxPathList::Add (const wxString& path) +void wxPathList::Add(const wxArrayString &arr) { - wxStringList::Add (WXSTRINGCAST path); + for (size_t j=0; j < arr.GetCount(); j++) + Add(arr[j]); } // Add paths e.g. from the PATH environment variable -void wxPathList::AddEnvList (const wxString& envVariable) +void wxPathList::AddEnvList (const wxString& WXUNUSED_IN_WINCE(envVariable)) { // No environment variables on WinCE #ifndef __WXWINCE__ + + // The space has been removed from the tokenizers, otherwise a + // path such as "C:\Program Files" would be split into 2 paths: + // "C:\Program" and "Files"; this is true for both Windows and Unix. + static const wxChar PATH_TOKS[] = #if defined(__WINDOWS__) || defined(__OS2__) - /* - The space has been removed from the tokenizers, otherwise a - path such as "C:\Program Files" would be split into 2 paths: - "C:\Program" and "Files" - */ -// wxT(" ;"); // Don't seperate with colon in DOS (used for drive) - wxT(";"); // Don't seperate with colon in DOS (used for drive) + wxT(";"); // Don't separate with colon in DOS (used for drive) #else - wxT(" :;"); + wxT(":;"); #endif - wxChar *val = wxGetenv (WXSTRINGCAST envVariable); - if (val && *val) + wxString val; + if ( wxGetEnv(envVariable, &val) ) { - wxChar *s = MYcopystring (val); - wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr); - - if (token) - { - Add(token); - while (token) - { - if ( (token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) - != NULL ) - { - Add(token); - } - } - } - - // suppress warning about unused variable save_ptr when wxStrtok() is a - // macro which throws away its third argument - save_ptr = token; - - delete [] s; + // split into an array of string the value of the env var + wxArrayString arr = wxStringTokenize(val, PATH_TOKS); + WX_APPEND_ARRAY(*this, arr); } -#endif +#endif // !__WXWINCE__ } // Given a full filename (with path), ensure that that file can // be accessed again USING FILENAME ONLY by adding the path // to the list if not already there. -void wxPathList::EnsureFileAccessible (const wxString& path) +bool wxPathList::EnsureFileAccessible (const wxString& path) { - wxString path_only(wxPathOnly(path)); - if ( !path_only.IsEmpty() ) - { - if ( !Member(path_only) ) - Add(path_only); - } + return Add(wxPathOnly(path)); } -bool wxPathList::Member (const wxString& path) +#if WXWIN_COMPATIBILITY_2_6 +bool wxPathList::Member (const wxString& path) const { - for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext()) - { - wxString path2( node->GetData() ); - if ( -#if defined(__WINDOWS__) || defined(__OS2__) || defined(__VMS__) || defined (__WXMAC__) - // Case INDEPENDENT - path.CompareTo (path2, wxString::ignoreCase) == 0 -#else - // Case sensitive File System - path.CompareTo (path2) == 0 -#endif - ) - return true; - } - return false; + return Index(path) != wxNOT_FOUND; } +#endif -wxString wxPathList::FindValidPath (const wxString& file) +wxString wxPathList::FindValidPath (const wxString& file) const { - if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file))) - return wxString(wxFileFunctionsBuffer); - - wxChar buf[_MAXPATHLEN]; - wxStrcpy(buf, wxFileFunctionsBuffer); + // normalize the given string as it could be a path + a filename + // and not only a filename + wxFileName fn(file); + wxString strend; + + // NB: normalize without making absolute otherwise calling this function with + // e.g. "b/c.txt" would result in removing the directory 'b' and the for loop + // below would only add to the paths of this list the 'c.txt' part when doing + // the existence checks... + // NB: we don't use wxPATH_NORM_DOTS here, too (see wxPathList::Add for more info) + if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS)) + return wxEmptyString; - wxChar *filename = wxIsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf; + wxASSERT_MSG(!fn.IsDir(), wxT("Cannot search for directories; only for files")); + if (fn.IsAbsolute()) + strend = fn.GetFullName(); // search for the file name and ignore the path part + else + strend = fn.GetFullPath(); - for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext()) + for (size_t i=0; iGetData(); - wxStrcpy (wxFileFunctionsBuffer, path); - wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1]; - if (ch != wxT('\\') && ch != wxT('/')) - wxStrcat (wxFileFunctionsBuffer, wxT("/")); - wxStrcat (wxFileFunctionsBuffer, filename); -#ifdef __WINDOWS__ - wxUnix2DosFilename (wxFileFunctionsBuffer); -#endif - if (wxFileExists (wxFileFunctionsBuffer)) - { - return wxString(wxFileFunctionsBuffer); // Found! - } - } // for() + wxString strstart = Item(i); + if (!strstart.IsEmpty() && strstart.Last() != wxFileName::GetPathSeparator()) + strstart += wxFileName::GetPathSeparator(); + + if (wxFileExists(strstart + strend)) + return strstart + strend; // Found! + } - return wxEmptyString; // Not found + return wxEmptyString; // Not found } -wxString wxPathList::FindAbsoluteValidPath (const wxString& file) +wxString wxPathList::FindAbsoluteValidPath (const wxString& file) const { wxString f = FindValidPath(file); if ( f.empty() || wxIsAbsolutePath(f) ) return f; - wxString buf; - wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN); + wxString buf = ::wxGetCwd(); if ( !wxEndsWithPathSeparator(buf) ) { @@ -287,25 +314,56 @@ wxString wxPathList::FindAbsoluteValidPath (const wxString& file) return buf; } +// ---------------------------------------------------------------------------- +// miscellaneous global functions (TOFIX!) +// ---------------------------------------------------------------------------- + +static inline wxChar* MYcopystring(const wxString& s) +{ + wxChar* copy = new wxChar[s.length() + 1]; + return wxStrcpy(copy, s.c_str()); +} + +static inline wxChar* MYcopystring(const wxChar* s) +{ + wxChar* copy = new wxChar[wxStrlen(s) + 1]; + return wxStrcpy(copy, s); +} + + bool wxFileExists (const wxString& filename) { +#if defined(__WXPALMOS__) + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) // we must use GetFileAttributes() instead of the ANSI C functions because // it can cope with network (UNC) paths unlike them -#if defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD ret = ::GetFileAttributes(filename); return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY); #else // !__WIN32__ + #ifndef S_ISREG + #define S_ISREG(mode) ((mode) & S_IFREG) + #endif wxStructStat st; - return wxStat(filename, &st) == 0 && (st.st_mode & S_IFREG); +#ifndef wxNEED_WX_UNISTD_H + return (wxStat( filename.fn_str() , &st) == 0 && S_ISREG(st.st_mode)) +#ifdef __OS2__ + || (errno == EACCES) // if access is denied something with that name + // exists and is opened in exclusive mode. +#endif + ; +#else + return wxStat( filename , &st) == 0 && S_ISREG(st.st_mode); +#endif #endif // __WIN32__/!__WIN32__ } bool wxIsAbsolutePath (const wxString& filename) { - if (filename != wxT("")) + if (!filename.empty()) { #if defined(__WXMAC__) && !defined(__DARWIN__) // Classic or Carbon CodeWarrior like @@ -342,32 +400,31 @@ wxIsAbsolutePath (const wxString& filename) void wxStripExtension(wxChar *buffer) { - int len = wxStrlen(buffer); - int i = len-1; - while (i > 0) - { - if (buffer[i] == wxT('.')) + int len = wxStrlen(buffer); + int i = len-1; + while (i > 0) { - buffer[i] = 0; - break; + if (buffer[i] == wxT('.')) + { + buffer[i] = 0; + break; + } + i --; } - i --; - } } void wxStripExtension(wxString& buffer) { - size_t len = buffer.Length(); - size_t i = len-1; - while (i > 0) - { - if (buffer.GetChar(i) == wxT('.')) + //RN: Be careful about the handling the case where + //buffer.length() == 0 + for(size_t i = buffer.length() - 1; i != wxString::npos; --i) { - buffer = buffer.Left(i); - break; + if (buffer.GetChar(i) == wxT('.')) + { + buffer = buffer.Left(i); + break; + } } - i --; - } } // Destructive removal of /./ and /../ stuff @@ -426,28 +483,38 @@ wxChar *wxRealPath (wxChar *path) return path; } +wxString wxRealPath(const wxString& path) +{ + wxChar *buf1=MYcopystring(path); + wxChar *buf2=wxRealPath(buf1); + wxString buf(buf2); + delete [] buf1; + return buf; +} + + // Must be destroyed wxChar *wxCopyAbsolutePath(const wxString& filename) { - if (filename == wxT("")) - return (wxChar *) NULL; + if (filename.empty()) + return (wxChar *) NULL; - if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) { - wxChar buf[_MAXPATHLEN]; - buf[0] = wxT('\0'); - wxGetWorkingDirectory(buf, WXSIZEOF(buf)); - wxChar ch = buf[wxStrlen(buf) - 1]; + if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) + { + wxString buf = ::wxGetCwd(); + wxChar ch = buf.Last(); #ifdef __WXMSW__ - if (ch != wxT('\\') && ch != wxT('/')) - wxStrcat(buf, wxT("\\")); + if (ch != wxT('\\') && ch != wxT('/')) + buf << wxT("\\"); #else - if (ch != wxT('/')) - wxStrcat(buf, wxT("/")); + if (ch != wxT('/')) + buf << wxT("/"); #endif - wxStrcat(buf, wxFileFunctionsBuffer); - return MYcopystring( wxRealPath(buf) ); - } - return MYcopystring( wxFileFunctionsBuffer ); + buf << wxFileFunctionsBuffer; + buf = wxRealPath( buf ); + return MYcopystring( buf ); + } + return MYcopystring( wxFileFunctionsBuffer ); } /*- @@ -536,7 +603,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name) while ((*d++ = *s) != 0) { # ifndef __WXMSW__ if (*s == wxT('\\')) { - if ((*(d - 1) = *++s)) { + if ((*(d - 1) = *++s)!=0) { s++; continue; } else @@ -585,7 +652,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name) if (nm[1] == SEP || nm[1] == 0) { /* ~/filename */ // FIXME: wxGetUserHome could return temporary storage in Unicode mode - if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) { + if ((s = WXSTRINGCAST wxGetUserHome(wxEmptyString)) != NULL) { if (*++nm) nm++; } @@ -602,11 +669,14 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name) nnm = *s ? s + 1 : s; *s = 0; // FIXME: wxGetUserHome could return temporary storage in Unicode mode - if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) { - if (was_sep) /* replace only if it was there: */ - *s = SEP; + if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) + { + if (was_sep) /* replace only if it was there: */ + *s = SEP; s = NULL; - } else { + } + else + { nm = nnm; s = home; } @@ -640,11 +710,13 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name) The call wxExpandPath can convert these back! */ wxChar * -wxContractPath (const wxString& filename, const wxString& envname, const wxString& user) +wxContractPath (const wxString& filename, + const wxString& WXUNUSED_IN_WINCE(envname), + const wxString& user) { static wxChar dest[_MAXPATHLEN]; - if (filename == wxT("")) + if (filename.empty()) return (wxChar *) NULL; wxStrcpy (dest, WXSTRINGCAST filename); @@ -656,7 +728,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin const wxChar *val; #ifndef __WXWINCE__ wxChar *tcp; - if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL && + if (!envname.empty() && (val = wxGetenv (WXSTRINGCAST envname)) != NULL && (tcp = wxStrstr (dest, val)) != NULL) { wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val)); @@ -680,7 +752,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin if (wxStrncmp(dest, val, len) == 0) { wxStrcpy(wxFileFunctionsBuffer, wxT("~")); - if (user != wxT("")) + if (!user.empty()) wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user); wxStrcat(wxFileFunctionsBuffer, dest + len); wxStrcpy (dest, wxFileFunctionsBuffer); @@ -772,14 +844,14 @@ wxPathOnly (wxChar *path) // Return just the directory, or NULL if no directory wxString wxPathOnly (const wxString& path) { - if (path != wxT("")) + if (!path.empty()) { wxChar buf[_MAXPATHLEN]; // Local copy wxStrcpy (buf, WXSTRINGCAST path); - int l = path.Length(); + int l = path.length(); int i = l - 1; // Search backward for a backward or forward slash @@ -825,7 +897,7 @@ wxString wxPathOnly (const wxString& path) } #endif } - return wxString(wxT("")); + return wxEmptyString; } // Utility for converting delimiters in DOS filenames to UNIX style @@ -853,13 +925,19 @@ wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathCompon } CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle); CFRelease( fullURLRef ) ; - return wxMacCFStringHolder(cfString).AsString(wxLocale::GetSystemEncoding()); + CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString); + CFRelease( cfString ); + CFStringNormalize(cfMutableString,kCFStringNormalizationFormC); + return wxMacCFStringHolder(cfMutableString).AsString(); } OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef ) { OSStatus err = noErr ; - CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, wxMacCFStringHolder(path ,wxLocale::GetSystemEncoding() ) , kDefaultPathStyle, false); + CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxMacCFStringHolder(path)); + CFStringNormalize(cfMutableString,kCFStringNormalizationFormD); + CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false); + CFRelease( cfMutableString ); if ( NULL != url ) { if ( CFURLGetFSRef(url, fsRef) == false ) @@ -878,9 +956,14 @@ wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname ) CFStringRef cfname = CFStringCreateWithCharacters( kCFAllocatorDefault, uniname->unicode, uniname->length ); - return wxMacCFStringHolder(cfname).AsString() ; + CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfname); + CFRelease( cfname ); + CFStringNormalize(cfMutableString,kCFStringNormalizationFormC); + return wxMacCFStringHolder(cfMutableString).AsString() ; } +#ifndef __LP64__ + wxString wxMacFSSpec2MacFilename( const FSSpec *spec ) { FSRef fsRef ; @@ -898,6 +981,7 @@ void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec ) wxMacPathToFSRef( path , &fsRef ) ; err = FSRefMakeFSSpec( &fsRef , spec ) ; } +#endif #endif // __WXMAC__ @@ -940,39 +1024,38 @@ wxUnix2DosFilename (wxChar *WXUNUSED(s) ) bool wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3) { - wxString outfile; - if ( !wxGetTempFileName( wxT("cat"), outfile) ) - return false; - - FILE *fp1 wxDUMMY_INITIALIZE(NULL); - FILE *fp2 = NULL; - FILE *fp3 = NULL; - // Open the inputs and outputs - if ((fp1 = wxFopen ( file1, wxT("rb"))) == NULL || - (fp2 = wxFopen ( file2, wxT("rb"))) == NULL || - (fp3 = wxFopen ( outfile, wxT("wb"))) == NULL) +#if wxUSE_FILE + + wxFile in1(file1), in2(file2); + wxTempFile out(file3); + + if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() ) + return false; + + ssize_t ofs; + unsigned char buf[1024]; + + for( int i=0; i<2; i++) { - if (fp1) - fclose (fp1); - if (fp2) - fclose (fp2); - if (fp3) - fclose (fp3); - return false; + wxFile *in = i==0 ? &in1 : &in2; + do{ + if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false; + if ( ofs > 0 ) + if ( !out.Write(buf,ofs) ) + return false; + } while ( ofs == (ssize_t)WXSIZEOF(buf) ); } - int ch; - while ((ch = getc (fp1)) != EOF) - (void) putc (ch, fp3); - fclose (fp1); + return out.Commit(); - while ((ch = getc (fp2)) != EOF) - (void) putc (ch, fp3); - fclose (fp2); +#else - fclose (fp3); - bool result = wxRenameFile(outfile, file3); - return result; + wxUnusedVar(file1); + wxUnusedVar(file2); + wxUnusedVar(file3); + return false; + +#endif } // Copy files @@ -992,9 +1075,12 @@ wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite) return false; } #elif defined(__OS2__) - if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 ) + if ( ::DosCopy((PSZ)file1.c_str(), (PSZ)file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 ) return false; -#else // !Win32 +#elif defined(__PALMOS__) + // TODO with http://www.palmos.com/dev/support/docs/protein_books/Memory_Databases_Files/ + return false; +#elif wxUSE_FILE // !Win32 wxStructStat fbuf; // get permissions of file1 @@ -1065,22 +1151,42 @@ wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite) return false; } #endif // OS/2 || Mac + +#else // !Win32 && ! wxUSE_FILE + + // impossible to simulate with wxWidgets API + wxUnusedVar(file1); + wxUnusedVar(file2); + wxUnusedVar(overwrite); + return false; + #endif // __WXMSW__ && __WIN32__ return true; } bool -wxRenameFile (const wxString& file1, const wxString& file2) +wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite) { -#ifndef __WXWINCE__ + if ( !overwrite && wxFileExists(file2) ) + { + wxLogSysError + ( + _("Failed to rename the file '%s' to '%s' because the destination file already exists."), + file1.c_str(), file2.c_str() + ); + + return false; + } + +#if !defined(__WXWINCE__) && !defined(__WXPALMOS__) // Normal system call if ( wxRename (file1, file2) == 0 ) return true; #endif // Try to copy - if (wxCopyFile(file1, file2)) { + if (wxCopyFile(file1, file2, overwrite)) { wxRemoveFile(file1); return true; } @@ -1096,20 +1202,25 @@ bool wxRemoveFile(const wxString& file) || defined(__DMC__) \ || defined(__GNUWIN32__) \ || (defined(__MWERKS__) && defined(__MSL__)) - int res = wxRemove(file); + int res = wxRemove(file); #elif defined(__WXMAC__) - int res = unlink(wxFNCONV(file)); + int res = unlink(wxFNCONV(file)); +#elif defined(__WXPALMOS__) + int res = 1; + // TODO with VFSFileDelete() #else - int res = unlink(OS_FILENAME(file)); + int res = unlink(OS_FILENAME(file)); #endif - return res == 0; + return res == 0; } bool wxMkdir(const wxString& dir, int perm) { -#if defined(__WXMAC__) && !defined(__UNIX__) - return (mkdir( wxFNCONV(dir) , 0 ) == 0); +#if defined(__WXPALMOS__) + return false; +#elif defined(__WXMAC__) && !defined(__UNIX__) + return (mkdir( wxFNCONV(dir) , 0 ) == 0); #else // !Mac const wxChar *dirname = dir.c_str(); @@ -1123,6 +1234,7 @@ bool wxMkdir(const wxString& dir, int perm) if ( mkdir(wxFNCONV(dirname), perm) != 0 ) #endif #elif defined(__OS2__) + wxUnusedVar(perm); if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's?? #elif defined(__DOS__) #if defined(__WATCOMC__) @@ -1134,11 +1246,11 @@ bool wxMkdir(const wxString& dir, int perm) #error "Unsupported DOS compiler!" #endif #else // !MSW, !DOS and !OS/2 VAC++ - (void)perm; + wxUnusedVar(perm); #ifdef __WXWINCE__ if ( !CreateDirectory(dirname, NULL) ) #else - if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 ) + if ( wxMkDir(dir.fn_str()) != 0 ) #endif #endif // !MSW/MSW { @@ -1153,30 +1265,29 @@ bool wxMkdir(const wxString& dir, int perm) bool wxRmdir(const wxString& dir, int WXUNUSED(flags)) { -#ifdef __VMS__ +#if defined(__VMS__) return false; //to be changed since rmdir exists in VMS7.x #elif defined(__OS2__) return (::DosDeleteDir((PSZ)dir.c_str()) == 0); -#else - -#ifdef __WXWINCE__ - return (CreateDirectory(dir, NULL) != 0); +#elif defined(__WXWINCE__) + return (RemoveDirectory(dir) != 0); +#elif defined(__WXPALMOS__) + // TODO with VFSFileRename() + return false; #else return (wxRmDir(OS_FILENAME(dir)) == 0); #endif - -#endif } // does the path exists? (may have or not '/' or '\\' at the end) -bool wxPathExists(const wxChar *pszPathName) +bool wxDirExists(const wxChar *pszPathName) { wxString strPath(pszPathName); #if defined(__WINDOWS__) || defined(__OS2__) // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists, // so remove all trailing backslashes from the path - but don't do this for - // the pathes "d:\" (which are different from "d:") nor for just "\" + // the paths "d:\" (which are different from "d:") nor for just "\" while ( wxEndsWithPathSeparator(strPath) ) { size_t len = strPath.length(); @@ -1193,11 +1304,21 @@ bool wxPathExists(const wxChar *pszPathName) strPath << _T('.'); #endif -#if defined(__WIN32__) && !defined(__WXMICROWIN__) +#if defined(__WXPALMOS__) + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) // stat() can't cope with network paths DWORD ret = ::GetFileAttributes(strPath); return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY); +#elif defined(__OS2__) + FILESTATUS3 Info = {{0}}; + APIRET rc = ::DosQueryPathInfo((PSZ)(WXSTRINGCAST strPath), FIL_STANDARD, + (void*) &Info, sizeof(FILESTATUS3)); + + return ((rc == NO_ERROR) && (Info.attrFile & FILE_DIRECTORY)) || + (rc == ERROR_SHARING_VIOLATION); + // If we got a sharing violation, there must be something with this name. #else // !__WIN32__ wxStructStat st; @@ -1214,8 +1335,8 @@ bool wxPathExists(const wxChar *pszPathName) // Get a temporary filename, opening and closing the file. wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf) { - wxString filename = wxFileName::CreateTempFileName(prefix); - if ( filename.empty() ) + wxString filename; + if ( !wxGetTempFileName(prefix, filename) ) return NULL; if ( buf ) @@ -1228,9 +1349,16 @@ wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf) bool wxGetTempFileName(const wxString& prefix, wxString& buf) { +#if wxUSE_FILE buf = wxFileName::CreateTempFileName(prefix); return !buf.empty(); +#else // !wxUSE_FILE + wxUnusedVar(prefix); + wxUnusedVar(buf); + + return false; +#endif // wxUSE_FILE/!wxUSE_FILE } // Get first file name matching given wild card. @@ -1241,7 +1369,7 @@ static wxString gs_dirPath; wxString wxFindFirstFile(const wxChar *spec, int flags) { wxSplitPath(spec, &gs_dirPath, NULL, NULL); - if ( gs_dirPath.IsEmpty() ) + if ( gs_dirPath.empty() ) gs_dirPath = wxT("."); if ( !wxEndsWithPathSeparator(gs_dirPath ) ) gs_dirPath << wxFILE_SEP_PATH; @@ -1266,7 +1394,7 @@ wxString wxFindFirstFile(const wxChar *spec, int flags) wxString result; gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags); - if ( result.IsEmpty() ) + if ( result.empty() ) { wxDELETE(gs_dir); return result; @@ -1282,7 +1410,7 @@ wxString wxFindNextFile() wxString result; gs_dir->GetNext(&result); - if ( result.IsEmpty() ) + if ( result.empty() ) { wxDELETE(gs_dir); return result; @@ -1293,12 +1421,22 @@ wxString wxFindNextFile() // Get current working directory. -// If buf is NULL, allocates space using new, else -// copies into buf. -wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) +// If buf is NULL, allocates space using new, else copies into buf. +// wxGetWorkingDirectory() is obsolete, use wxGetCwd() +// wxDoGetCwd() is their common core to be moved +// to wxGetCwd() once wxGetWorkingDirectory() will be removed. +// Do not expose wxDoGetCwd in headers! + +wxChar *wxDoGetCwd(wxChar *buf, int sz) { -#ifdef __WXWINCE__ - return NULL; +#if defined(__WXPALMOS__) + // TODO + if(buf && sz>0) buf[0] = _T('\0'); + return buf; +#elif defined(__WXWINCE__) + // TODO + if(buf && sz>0) buf[0] = _T('\0'); + return buf; #else if ( !buf ) { @@ -1315,16 +1453,12 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) bool needsANSI = true; #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU - // This is not legal code as the compiler - // is allowed destroy the wxCharBuffer. - // wxCharBuffer c_buffer(sz); - // char *cbuf = (char*)(const char*)c_buffer; char cbuf[_MAXPATHLEN]; #endif #ifdef HAVE_WGETCWD #if wxUSE_UNICODE_MSLU - if ( wxGetOsVersion() != wxWIN95 ) + if ( wxGetOsVersion() != wxOS_WINDOWS_9X ) #else char *cbuf = NULL; // never really used because needsANSI will always be false #endif @@ -1362,7 +1496,7 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) ,cbuf + 3 ,(PULONG)&sz ); - cbuf[0] = 'A' + (ulDriveNum - 1); + cbuf[0] = char('A' + (ulDriveNum - 1)); cbuf[1] = ':'; cbuf[2] = '\\'; ok = rc == 0; @@ -1404,7 +1538,13 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) #if defined( __CYGWIN__ ) && defined( __WINDOWS__ ) // another example of DOS/Unix mix (Cygwin) wxString pathUnix = buf; +#if wxUSE_UNICODE + char bufA[_MAXPATHLEN]; + cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA); + wxConvFile.MB2WC(buf, bufA, sz); +#else cygwin_conv_to_full_win32_path(pathUnix, buf); +#endif // wxUSE_UNICODE #endif // __CYGWIN__ } @@ -1418,19 +1558,31 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) // __WXWINCE__ } -wxString wxGetCwd() +#if WXWIN_COMPATIBILITY_2_6 +wxChar *wxGetWorkingDirectory(wxChar *buf, int sz) { - wxChar *buffer = new wxChar[_MAXPATHLEN]; - wxGetWorkingDirectory(buffer, _MAXPATHLEN); - wxString str( buffer ); - delete [] buffer; + return wxDoGetCwd(buf,sz); +} +#endif // WXWIN_COMPATIBILITY_2_6 +wxString wxGetCwd() +{ + wxString str; + wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN); return str; } bool wxSetWorkingDirectory(const wxString& d) { #if defined(__OS2__) + if (d[1] == ':') + { + ::DosSetDefaultDisk(1 + wxToupper(d[0]) - _T('A')); + // do not call DosSetCurrentDir when just changing drive, + // since it requires e.g. "d:." instead of "d:"! + if (d.length() == 2) + return true; + } return (::DosSetCurrentDir((PSZ)d.c_str()) == 0); #elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__) return (chdir(wxFNSTRINGCAST d.fn_str()) == 0); @@ -1439,6 +1591,7 @@ bool wxSetWorkingDirectory(const wxString& d) #ifdef __WIN32__ #ifdef __WXWINCE__ // No equivalent in WinCE + wxUnusedVar(d); return false; #else return (bool)(SetCurrentDirectory(d) != 0); @@ -1547,54 +1700,27 @@ void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName, wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt); } +#if wxUSE_DATETIME + time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename) { -#ifdef __WXWINCE__ - FILETIME creationTime, lastAccessTime, lastWriteTime; - HANDLE fileHandle = ::CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, - 0, FILE_ATTRIBUTE_NORMAL, 0); - if (fileHandle == INVALID_HANDLE_VALUE) - return 0; - else - { - if (GetFileTime(fileHandle, & creationTime, & lastAccessTime, & lastWriteTime)) - { - CloseHandle(fileHandle); - - wxDateTime dateTime; - FILETIME ftLocal; - if ( !::FileTimeToLocalFileTime(&lastWriteTime, &ftLocal) ) - { - wxLogLastError(_T("FileTimeToLocalFileTime")); - } - - SYSTEMTIME st; - if ( !::FileTimeToSystemTime(&ftLocal, &st) ) - { - wxLogLastError(_T("FileTimeToSystemTime")); - } - - dateTime.Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear, - st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); - return dateTime.GetTicks(); - } - else - return 0; - } -#else - wxStructStat buf; - wxStat( filename, &buf); + wxDateTime mtime; + if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) ) + return (time_t)-1; - return buf.st_mtime; -#endif + return mtime.GetTicks(); } +#endif // wxUSE_DATETIME + // Parses the filterStr, returning the number of filters. // Returns 0 if none or if there's a problem. // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg" -int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, wxArrayString& descriptions, wxArrayString& filters) +int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, + wxArrayString& descriptions, + wxArrayString& filters) { descriptions.Clear(); filters.Clear(); @@ -1690,7 +1816,7 @@ int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, wxArrayStr // autocompletion for( size_t j = 0 ; j < descriptions.GetCount() ; j++ ) { - if ( descriptions[j] == wxEmptyString && filters[j] != wxEmptyString ) + if ( descriptions[j].empty() && !filters[j].empty() ) { descriptions[j].Printf(_("Files (%s)"), filters[j].c_str()); } @@ -1699,6 +1825,152 @@ int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, wxArrayStr return filters.GetCount(); } +#if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__)) +static bool wxCheckWin32Permission(const wxString& path, DWORD access) +{ + // quoting the MSDN: "To obtain a handle to a directory, call the + // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this + // doesn't work under Win9x/ME but then it's not needed there anyhow + bool isdir = wxDirExists(path); + if ( isdir && wxGetOsVersion() == wxOS_WINDOWS_9X ) + { + // FAT directories always allow all access, even if they have the + // readonly flag set + return true; + } + + HANDLE h = ::CreateFile + ( + path.c_str(), + access, + FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, + NULL, + OPEN_EXISTING, + isdir ? FILE_FLAG_BACKUP_SEMANTICS : 0, + NULL + ); + if ( h != INVALID_HANDLE_VALUE ) + CloseHandle(h); + + return h != INVALID_HANDLE_VALUE; +} +#endif // __WINDOWS__ + +bool wxIsWritable(const wxString &path) +{ +#if defined( __UNIX__ ) || defined(__OS2__) + // access() will take in count also symbolic links + return access(wxConvFile.cWX2MB(path), W_OK) == 0; +#elif defined( __WINDOWS__ ) + return wxCheckWin32Permission(path, GENERIC_WRITE); +#else + wxUnusedVar(path); + // TODO + return false; +#endif +} + +bool wxIsReadable(const wxString &path) +{ +#if defined( __UNIX__ ) || defined(__OS2__) + // access() will take in count also symbolic links + return access(wxConvFile.cWX2MB(path), R_OK) == 0; +#elif defined( __WINDOWS__ ) + return wxCheckWin32Permission(path, GENERIC_READ); +#else + wxUnusedVar(path); + // TODO + return false; +#endif +} + +bool wxIsExecutable(const wxString &path) +{ +#if defined( __UNIX__ ) || defined(__OS2__) + // access() will take in count also symbolic links + return access(wxConvFile.cWX2MB(path), X_OK) == 0; +#elif defined( __WINDOWS__ ) + return wxCheckWin32Permission(path, GENERIC_EXECUTE); +#else + wxUnusedVar(path); + // TODO + return false; +#endif +} + +// Return the type of an open file +// +// Some file types on some platforms seem seekable but in fact are not. +// The main use of this function is to allow such cases to be detected +// (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK). +// +// This is important for the archive streams, which benefit greatly from +// being able to seek on a stream, but which will produce corrupt archives +// if they unknowingly seek on a non-seekable stream. +// +// wxFILE_KIND_DISK is a good catch all return value, since other values +// disable features of the archive streams. Some other value must be returned +// for a file type that appears seekable but isn't. +// +// Known examples: +// * Pipes on Windows +// * Files on VMS with a record format other than StreamLF +// +wxFileKind wxGetFileKind(int fd) +{ +#if defined __WXMSW__ && !defined __WXWINCE__ && defined wxGetOSFHandle + switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE) + { + case FILE_TYPE_CHAR: + return wxFILE_KIND_TERMINAL; + case FILE_TYPE_DISK: + return wxFILE_KIND_DISK; + case FILE_TYPE_PIPE: + return wxFILE_KIND_PIPE; + } + + return wxFILE_KIND_UNKNOWN; + +#elif defined(__UNIX__) + if (isatty(fd)) + return wxFILE_KIND_TERMINAL; + + struct stat st; + fstat(fd, &st); + + if (S_ISFIFO(st.st_mode)) + return wxFILE_KIND_PIPE; + if (!S_ISREG(st.st_mode)) + return wxFILE_KIND_UNKNOWN; + + #if defined(__VMS__) + if (st.st_fab_rfm != FAB$C_STMLF) + return wxFILE_KIND_UNKNOWN; + #endif + + return wxFILE_KIND_DISK; + +#else + #define wxFILEKIND_STUB + (void)fd; + return wxFILE_KIND_DISK; +#endif +} + +wxFileKind wxGetFileKind(FILE *fp) +{ + // Note: The watcom rtl dll doesn't have fileno (the static lib does). + // Should be fixed in version 1.4. +#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4) + (void)fp; + return wxFILE_KIND_DISK; +#elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__) + return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN; +#else + return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN; +#endif +} + //------------------------------------------------------------------------ // wild character routines @@ -1726,130 +1998,111 @@ bool wxIsWild( const wxString& pattern ) * Written By Douglas A. Lewis * * The match procedure is public domain code (from ircII's reg.c) +* but modified to suit our tastes (RN: No "%" syntax I guess) */ bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) { - if (text.empty()) + if (text.empty()) + { + /* Match if both are empty. */ + return pat.empty(); + } + + const wxChar *m = pat.c_str(), + *n = text.c_str(), + *ma = NULL, + *na = NULL; + int just = 0, + acount = 0, + count = 0; + + if (dot_special && (*n == wxT('.'))) + { + /* Never match so that hidden Unix files + * are never found. */ + return false; + } + + for (;;) + { + if (*m == wxT('*')) { - /* Match if both are empty. */ - return pat.empty(); + ma = ++m; + na = n; + just = 1; + acount = count; } - - const wxChar *m = pat.c_str(), - *n = text.c_str(), - *ma = NULL, - *na = NULL, - *mp = NULL, - *np = NULL; - int just = 0, - pcount = 0, - acount = 0, - count = 0; - - if (dot_special && (*n == wxT('.'))) + else if (*m == wxT('?')) { - /* Never match so that hidden Unix files - * are never found. */ + m++; + if (!*n++) return false; } - - for (;;) + else { - if (*m == wxT('*')) - { - ma = ++m; - na = n; - just = 1; - mp = NULL; - acount = count; - } - else if (*m == wxT('?')) + if (*m == wxT('\\')) + { + m++; + /* Quoting "nothing" is a bad thing */ + if (!*m) + return false; + } + if (!*m) + { + /* + * If we are out of both strings or we just + * saw a wildcard, then we can say we have a + * match + */ + if (!*n) + return true; + if (just) + return true; + just = 0; + goto not_matched; + } + /* + * We could check for *n == NULL at this point, but + * since it's more common to have a character there, + * check to see if they match first (m and n) and + * then if they don't match, THEN we can check for + * the NULL of n + */ + just = 0; + if (*m == *n) + { + m++; + count++; + n++; + } + else + { + + not_matched: + + /* + * If there are no more characters in the + * string, but we still need to find another + * character (*m != NULL), then it will be + * impossible to match it + */ + if (!*n) + return false; + + if (ma) { - m++; - if (!*n++) - return false; + m = ma; + n = ++na; + count = acount; } else - { - if (*m == wxT('\\')) - { - m++; - /* Quoting "nothing" is a bad thing */ - if (!*m) - return false; - } - if (!*m) - { - /* - * If we are out of both strings or we just - * saw a wildcard, then we can say we have a - * match - */ - if (!*n) - return true; - if (just) - return true; - just = 0; - goto not_matched; - } - /* - * We could check for *n == NULL at this point, but - * since it's more common to have a character there, - * check to see if they match first (m and n) and - * then if they don't match, THEN we can check for - * the NULL of n - */ - just = 0; - if (*m == *n) - { - m++; - if (*n == wxT(' ')) - mp = NULL; - count++; - n++; - } - else - { - - not_matched: - - /* - * If there are no more characters in the - * string, but we still need to find another - * character (*m != NULL), then it will be - * impossible to match it - */ - if (!*n) - return false; - if (mp) - { - m = mp; - if (*np == wxT(' ')) - { - mp = NULL; - goto check_percent; - } - n = ++np; - count = pcount; - } - else - check_percent: - - if (ma) - { - m = ma; - n = ++na; - count = acount; - } - else - return false; - } - } + return false; + } } + } } - #ifdef __VISUALC__ #pragma warning(default:4706) // assignment within conditional expression #endif // VC++