X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5fde6fcc9b551340a194ae4c726db5ab64b5c594..33754c4d83c59b7523a6da0c4fb21079cb60301c:/src/common/file.cpp diff --git a/src/common/file.cpp b/src/common/file.cpp index 243bdc0373..e7834e082a 100644 --- a/src/common/file.cpp +++ b/src/common/file.cpp @@ -28,7 +28,7 @@ #if wxUSE_FILE // standard -#if defined(__WXMSW__) && !defined(__GNUWIN32__) && !defined(__WXWINE__) +#if defined(__WXMSW__) && !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__WXMICROWIN__) #include #ifndef __SALFORDC__ @@ -54,12 +54,21 @@ #define NOMCX #endif - #include // for GetTempFileName #elif (defined(__UNIX__) || defined(__GNUWIN32__)) #include #ifdef __GNUWIN32__ #include #endif +#elif defined(__DOS__) + #if defined(__WATCOMC__) + #include + #elif defined(__DJGPP__) + #include + #include + #include + #else + #error "Please specify the header with file functions declarations." + #endif #elif (defined(__WXPM__)) #include #define W_OK 2 @@ -88,6 +97,9 @@ #ifndef __MWERKS__ #include // needed for stat #include // stat +#elif ( defined(__MWERKS__) && defined(__WXMSW__) ) + #include // needed for stat + #include // stat #endif #if defined(__BORLANDC__) || defined(_MSC_VER) @@ -118,10 +130,14 @@ #endif // Salford C // wxWindows -#include "wx/string.h" -#include "wx/intl.h" +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/intl.h" + #include "wx/log.h" +#endif // !WX_PRECOMP + +#include "wx/filename.h" #include "wx/file.h" -#include "wx/log.h" // ============================================================================ // implementation of wxFile @@ -136,22 +152,15 @@ bool wxFile::Exists(const wxChar *name) #if wxUSE_UNICODE && wxMBFILES wxCharBuffer fname = wxConvFile.cWC2MB(name); -#if defined(__WXMAC__) && !defined(__UNIX__) - return !access(wxUnix2MacFilename( name ) , 0) && !stat(wxUnix2MacFilename( name ), &st) && (st.st_mode & S_IFREG); -#else return !wxAccess(fname, 0) && !wxStat(wxMBSTRINGCAST fname, &st) && (st.st_mode & S_IFREG); -#endif -#else -#if defined(__WXMAC__) && !defined(__UNIX__) - return !access(wxUnix2MacFilename( name ) , 0) && !stat(wxUnix2MacFilename( name ), &st) && (st.st_mode & S_IFREG); + #else return !wxAccess(name, 0) && !wxStat(name, &st) && (st.st_mode & S_IFREG); #endif -#endif } bool wxFile::Access(const wxChar *name, OpenMode mode) @@ -195,7 +204,7 @@ bool wxFile::Create(const wxChar *szFileName, bool bOverwrite, int accessMode) #if defined(__WXMAC__) && !defined(__UNIX__) // Dominic Mazzoni [dmazzoni+@cs.cmu.edu] reports that open is still broken on the mac, so we replace // int fd = open(wxUnix2MacFilename( szFileName ), O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL), access); - int fd = creat(wxUnix2MacFilename( szFileName ), accessMode); + int fd = creat( szFileName , accessMode); #else int fd = wxOpen(wxFNCONV(szFileName), O_BINARY | O_WRONLY | O_CREAT | @@ -235,16 +244,16 @@ bool wxFile::Open(const wxChar *szFileName, OpenMode mode, int accessMode) flags |= O_WRONLY | O_CREAT | O_TRUNC; break; + case write_excl: + flags |= O_WRONLY | O_CREAT | O_EXCL; + break; + case read_write: flags |= O_RDWR; break; } -#if defined(__WXMAC__) && !defined(__UNIX__) - int fd = open(wxUnix2MacFilename( szFileName ), flags, access); -#else int fd = wxOpen(wxFNCONV(szFileName), flags ACCESS(accessMode)); -#endif if ( fd == -1 ) { wxLogSysError(_("can't open file '%s'"), szFileName); return FALSE; @@ -423,7 +432,7 @@ bool wxFile::Eof() const int iRc; -#if defined(__UNIX__) || defined(__GNUWIN32__) || defined( __MWERKS__ ) || defined(__SALFORDC__) +#if defined(__DOS__) || defined(__UNIX__) || defined(__GNUWIN32__) || defined( __MWERKS__ ) || defined(__SALFORDC__) // @@ this doesn't work, of course, on unseekable file descriptors off_t ofsCur = Tell(), ofsMax = Length(); @@ -469,76 +478,39 @@ bool wxTempFile::Open(const wxString& strName) { m_strName = strName; - // we want to create the file in the same directory as strName because - // otherwise rename() in Commit() might not work (if the files are on - // different partitions for example). Unfortunately, the only standard - // (POSIX) temp file creation function tmpnam() can't do it. -#if defined(__UNIX__) || defined(__WXSTUBS__)|| defined( __WXMAC__ ) - static const wxChar *szMktempSuffix = wxT("XXXXXX"); - m_strTemp << strName << szMktempSuffix; - // can use the cast because length doesn't change - mktemp(wxMBSTRINGCAST m_strTemp.mb_str()); -#elif defined(__WXPM__) - // for now just create a file - // future enhancements can be to set some extended attributes for file systems - // OS/2 supports that have them (HPFS, FAT32) and security (HPFS386) - static const wxChar *szMktempSuffix = wxT("XXX"); - m_strTemp << strName << szMktempSuffix; - ::DosCreateDir(m_strTemp.GetWriteBuf(MAX_PATH), NULL); -#else // Windows - wxString strPath; - wxSplitPath(strName, &strPath, NULL, NULL); - if ( strPath.IsEmpty() ) - strPath = wxT('.'); // GetTempFileName will fail if we give it empty string -#ifdef __WIN32__ - if ( !GetTempFileName(strPath, wxT("wx_"),0, m_strTemp.GetWriteBuf(MAX_PATH)) ) -#else - // Not sure why MSVC++ 1.5 header defines first param as BYTE - bug? - if ( !GetTempFileName((BYTE) (DWORD)(const wxChar*) strPath, wxT("wx_"),0, m_strTemp.GetWriteBuf(MAX_PATH)) ) -#endif - wxLogLastError(wxT("GetTempFileName")); - m_strTemp.UngetWriteBuf(); -#endif // Windows/Unix + m_strTemp = wxFileName::CreateTempFileName(strName, &m_file); + + if ( m_strTemp.empty() ) + { + // CreateTempFileName() failed + return FALSE; + } - int access = wxS_DEFAULT; #ifdef __UNIX__ - // create the file with the same mode as the original one under Unix - mode_t umaskOld = 0; // just to suppress compiler warning - bool changedUmask; + // the temp file should have the same permissions as the original one + mode_t mode; wxStructStat st; if ( stat(strName.fn_str(), &st) == 0 ) { - // this assumes that only lower bits of st_mode contain the access - // rights, but it's true for at least all Unices which have S_IXXXX() - // macros, so should not be less portable than using (not POSIX) - // S_IFREG &c - access = st.st_mode & 0777; - - // we want to create the file with exactly the same access rights as - // the original one, so disable the user's umask for the moment - umaskOld = umask(0); - changedUmask = TRUE; + mode = st.st_mode; } else { - // file probably didn't exist, just create with default mode _using_ - // user's umask (new files creation should respet umask) - changedUmask = FALSE; + // file probably didn't exist, just give it the default mode _using_ + // user's umask (new files creation should respect umask) + mode_t mask = umask(0777); + mode = 0666 & ~mask; + umask(mask); } -#endif // Unix - - bool ok = m_file.Open(m_strTemp, wxFile::write, access); -#ifdef __UNIX__ - if ( changedUmask ) + if ( chmod(m_strTemp.mb_str(), mode) == -1 ) { - // restore umask now that the file is created - (void)umask(umaskOld); + wxLogSysError(_("Failed to set temporary file permissions")); } #endif // Unix - return ok; + return TRUE; } // ---------------------------------------------------------------------------- @@ -555,7 +527,6 @@ bool wxTempFile::Commit() { m_file.Close(); -#if !defined(__WXMAC__) || defined(__UNIX__) if ( wxFile::Exists(m_strName) && wxRemove(m_strName) != 0 ) { wxLogSysError(_("can't remove file '%s'"), m_strName.c_str()); return FALSE; @@ -565,17 +536,6 @@ bool wxTempFile::Commit() wxLogSysError(_("can't commit changes to file '%s'"), m_strName.c_str()); return FALSE; } -#else - if ( wxFile::Exists(m_strName) && remove(wxUnix2MacFilename( m_strName )) != 0 ) { - wxLogSysError(_("can't remove file '%s'"), m_strName.c_str()); - return FALSE; - } - - if ( rename(wxUnix2MacFilename( m_strTemp ), wxUnix2MacFilename( m_strName )) != 0 ) { - wxLogSysError(_("can't commit changes to file '%s'"), m_strName.c_str()); - return FALSE; - } -#endif return TRUE; } @@ -583,14 +543,9 @@ bool wxTempFile::Commit() void wxTempFile::Discard() { m_file.Close(); -#if !defined(__WXMAC__) || defined(__UNIX__) if ( wxRemove(m_strTemp) != 0 ) wxLogSysError(_("can't remove temporary file '%s'"), m_strTemp.c_str()); -#else - if ( remove( wxUnix2MacFilename(m_strTemp.fn_str())) != 0 ) - wxLogSysError(_("can't remove temporary file '%s'"), m_strTemp.c_str()); -#endif } -#endif +#endif // wxUSE_FILE