X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b59650beee150840ba8e9f649193d979d43de0c5..bd0df01f3f59940fdbca7a3472c256be2d034ab9:/src/common/file.cpp diff --git a/src/common/file.cpp b/src/common/file.cpp index 9f2093cccd..1e3734b5d6 100644 --- a/src/common/file.cpp +++ b/src/common/file.cpp @@ -7,7 +7,7 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// // ---------------------------------------------------------------------------- @@ -27,12 +27,34 @@ #endif // standard -#if defined(__WINDOWS__) && !defined(__GNUWIN32__) +#if defined(__WXMSW__) && !defined(__GNUWIN32__) #include + + #define WIN32_LEAN_AND_MEAN + #define NOSERVICE + #define NOIME + #define NOATOM + #define NOGDI + #define NOGDICAPMASKS + #define NOMETAFILE + #define NOMINMAX + #define NOMSG + #define NOOPENFILE + #define NORASTEROPS + #define NOSCROLL + #define NOSOUND + #define NOSYSMETRICS + #define NOTEXTMETRIC + #define NOWH + #define NOCOMM + #define NOKANJI + #define NOCRYPT + #define NOMCX + #include // for GetTempFileName #elif (defined(__UNIX__) || defined(__GNUWIN32__)) #include #else - #error "Please specify the header with file functions declarations." + #error "Please specify the header with file functions declarations." #endif //Win/UNIX #include // SEEK_xxx constants @@ -65,17 +87,14 @@ #define S_IFDIR _S_IFDIR #define S_IFREG _S_IFREG - - #define S_IREAD _S_IREAD - #define S_IWRITE _S_IWRITE #else #define tell(fd) lseek(fd, 0, SEEK_CUR) #endif //_MSC_VER // there is no distinction between text and binary files under Unix -#ifdef __UNIX__ - #define O_BINARY (0) -#endif //__UNIX__ +#ifdef __UNIX__ + #define O_BINARY (0) +#endif //__UNIX__ // wxWindows #include @@ -83,6 +102,9 @@ #include #include +#ifndef MAX_PATH +#define MAX_PATH 512 +#endif // ============================================================================ // implementation of wxFile @@ -92,8 +114,8 @@ // static functions // ---------------------------------------------------------------------------- bool wxFile::Exists(const char *sz) -{ - struct stat st; +{ + struct stat st; return !access(sz, 0) && !stat(sz, &st) && (st.st_mode & S_IFREG); } @@ -105,6 +127,7 @@ bool wxFile::Exists(const char *sz) wxFile::wxFile(const char *szFileName, OpenMode mode) { m_fd = fd_invalid; + m_error = FALSE; Open(szFileName, mode); } @@ -116,11 +139,11 @@ wxFile::~wxFile() } // create the file, fail if it already exists and bOverwrite -bool wxFile::Create(const char *szFileName, bool bOverwrite) +bool wxFile::Create(const char *szFileName, bool bOverwrite, int access) { // if bOverwrite we create a new file or truncate the existing one, // otherwise we only create the new file and fail if it already exists - int fd = open(szFileName, O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL)); + int fd = open(szFileName, O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL), access); if ( fd == -1 ) { wxLogSysError("can't create file '%s'", szFileName); @@ -133,29 +156,29 @@ bool wxFile::Create(const char *szFileName, bool bOverwrite) } // open the file -bool wxFile::Open(const char *szFileName, OpenMode mode) +bool wxFile::Open(const char *szFileName, OpenMode mode, int access) { int flags = O_BINARY; switch ( mode ) { - case read: - flags |= O_RDONLY; + case read: + flags |= O_RDONLY; break; - case write: - flags |= O_WRONLY | O_CREAT | O_TRUNC; + case write: + flags |= O_WRONLY | O_CREAT | O_TRUNC; break; case write_append: flags |= O_WRONLY | O_APPEND; break; - case read_write: + case read_write: flags |= O_RDWR; break; } - int fd = open(szFileName, flags, S_IREAD | S_IWRITE); + int fd = open(szFileName, flags, access); if ( fd == -1 ) { wxLogSysError("can't open file '%s'", szFileName); @@ -190,29 +213,30 @@ bool wxFile::Close() // read off_t wxFile::Read(void *pBuf, off_t nCount) { - wxCHECK_RET( (pBuf != NULL) && IsOpened(), 0 ); + wxCHECK( (pBuf != NULL) && IsOpened(), 0 ); int iRc = ::read(m_fd, pBuf, nCount); if ( iRc == -1 ) { wxLogSysError("can't read from file descriptor %d", m_fd); - return ofsInvalid; + return wxInvalidOffset; } else return (uint)iRc; } // write -bool wxFile::Write(const void *pBuf, uint nCount) +uint wxFile::Write(const void *pBuf, uint nCount) { - wxCHECK_RET( (pBuf != NULL) && IsOpened(), 0 ); + wxCHECK( (pBuf != NULL) && IsOpened(), 0 ); int iRc = ::write(m_fd, pBuf, nCount); if ( iRc == -1 ) { wxLogSysError("can't write to file descriptor %d", m_fd); - return FALSE; + m_error = TRUE; + return 0; } else - return TRUE; + return iRc; } // flush @@ -235,21 +259,21 @@ bool wxFile::Flush() // ---------------------------------------------------------------------------- // seek -off_t wxFile::Seek(off_t ofs, SeekMode mode) +off_t wxFile::Seek(off_t ofs, wxSeekMode mode) { wxASSERT( IsOpened() ); int flag = -1; switch ( mode ) { - case FromStart: + case wxFromStart: flag = SEEK_SET; break; - case FromCurrent: + case wxFromCurrent: flag = SEEK_CUR; break; - case FromEnd: + case wxFromEnd: flag = SEEK_END; break; @@ -260,7 +284,7 @@ off_t wxFile::Seek(off_t ofs, SeekMode mode) int iRc = lseek(m_fd, ofs, flag); if ( iRc == -1 ) { wxLogSysError("can't seek on file descriptor %d", m_fd); - return ofsInvalid; + return wxInvalidOffset; } else return (off_t)iRc; @@ -274,7 +298,7 @@ off_t wxFile::Tell() const int iRc = tell(m_fd); if ( iRc == -1 ) { wxLogSysError("can't get seek position on file descriptor %d", m_fd); - return ofsInvalid; + return wxInvalidOffset; } else return (off_t)iRc; @@ -290,7 +314,7 @@ off_t wxFile::Length() const #else int iRc = tell(m_fd); if ( iRc != -1 ) { - // @ have to use const_cast :-( + // @ have to use const_cast :-( int iLen = ((wxFile *)this)->SeekEnd(); if ( iLen != -1 ) { // restore old position @@ -307,7 +331,7 @@ off_t wxFile::Length() const if ( iRc == -1 ) { wxLogSysError("can't find length of file on file descriptor %d", m_fd); - return ofsInvalid; + return wxInvalidOffset; } else return (off_t)iRc; @@ -324,7 +348,7 @@ bool wxFile::Eof() const // @@ this doesn't work, of course, on unseekable file descriptors off_t ofsCur = Tell(), ofsMax = Length(); - if ( ofsCur == ofsInvalid || ofsMax == ofsInvalid ) + if ( ofsCur == wxInvalidOffset || ofsMax == wxInvalidOffset ) iRc = -1; else iRc = ofsCur == ofsMax; @@ -366,7 +390,7 @@ wxTempFile::wxTempFile(const wxString& strName) 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 @@ -374,12 +398,22 @@ bool wxTempFile::Open(const wxString& strName) #ifdef __UNIX__ static const char *szMktempSuffix = "XXXXXX"; m_strTemp << strName << szMktempSuffix; - mktemp((char *)m_strTemp.c_str()); // @@@ even if the length doesn't change - //m_strTemp.UngetWriteBuf(); + mktemp((char *)m_strTemp.c_str()); // will do because length doesn't change #else // Windows - m_strTemp = tmpnam(NULL); + wxString strPath; + wxSplitPath(strName, &strPath, NULL, NULL); + if ( strPath.IsEmpty() ) + strPath = '.'; // GetTempFileName will fail if we give it empty string +#ifdef __WIN32__ + if ( !GetTempFileName(strPath, "wx_",0, m_strTemp.GetWriteBuf(MAX_PATH)) ) +#else + // Not sure why MSVC++ 1.5 header defines first param as BYTE - bug? + if ( !GetTempFileName((BYTE) (const char*) strPath, "wx_",0, m_strTemp.GetWriteBuf(MAX_PATH)) ) +#endif + wxLogLastError("GetTempFileName"); + m_strTemp.UngetWriteBuf(); #endif // Windows/Unix - + return m_file.Open(m_strTemp, wxFile::write); }