X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8fd0d89b7dc8ed4ed7e460ddc9b61ae4a0e63c3e..68698f0308f5c46966b7de12b34f68ec23dd3ec8:/src/unix/utilsunx.cpp diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp index f7b404b19e..d0cb4c4ae2 100644 --- a/src/unix/utilsunx.cpp +++ b/src/unix/utilsunx.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utilsunx.cpp +// Name: unix/utilsunx.cpp // Purpose: generic Unix implementation of many wx functions // Author: Vadim Zeitlin // Id: $Id$ @@ -26,7 +26,34 @@ #include "wx/process.h" #include "wx/thread.h" -#include "wx/stream.h" +#include "wx/wfstream.h" + +// not only the statfs syscall is called differently depending on platform, but +// one of its incarnations, statvfs(), takes different arguments under +// different platforms and even different versions of the same system (Solaris +// 7 and 8): if you want to test for this, don't forget that the problems only +// appear if the large files support is enabled +#ifdef HAVE_STATFS + #ifdef __BSD__ + #include + #include + #else // !__BSD__ + #include + #endif // __BSD__/!__BSD__ + + #define wxStatfs statfs +#endif // HAVE_STATFS + +#ifdef HAVE_STATVFS + #include + + #define wxStatfs statvfs +#endif // HAVE_STATVFS + +#if defined(HAVE_STATFS) || defined(HAVE_STATVFS) + // WX_STATFS_T is detected by configure + #define wxStatfs_t WX_STATFS_T +#endif #if wxUSE_GUI #include "wx/unix/execute.h" @@ -135,17 +162,57 @@ void wxUsleep(unsigned long milliseconds) // process management // ---------------------------------------------------------------------------- -int wxKill(long pid, wxSignal sig) +int wxKill(long pid, wxSignal sig, wxKillError *rc) { - return kill((pid_t)pid, (int)sig); + int err = kill((pid_t)pid, (int)sig); + if ( rc ) + { + switch ( errno ) + { + case 0: + *rc = wxKILL_OK; + break; + + case EINVAL: + *rc = wxKILL_BAD_SIGNAL; + break; + + case EPERM: + *rc = wxKILL_ACCESS_DENIED; + break; + + case ESRCH: + *rc = wxKILL_NO_PROCESS; + break; + + default: + // this goes against Unix98 docs so log it + wxLogDebug(_T("unexpected kill(2) return value %d"), err); + + // something else... + *rc = wxKILL_ERROR; + } + } + + return err; } #define WXEXECUTE_NARGS 127 -long wxExecute( const wxString& command, bool sync, wxProcess *process ) +long wxExecute( const wxString& command, int flags, wxProcess *process ) { wxCHECK_MSG( !command.IsEmpty(), 0, wxT("can't exec empty command") ); +#if wxUSE_THREADS + // fork() doesn't mix well with POSIX threads: on many systems the program + // deadlocks or crashes for some reason. Probably our code is buggy and + // doesn't do something which must be done to allow this to work, but I + // don't know what yet, so for now just warn the user (this is the least we + // can do) about it + wxASSERT_MSG( wxThread::IsMain(), + _T("wxExecute() can be called only from the main thread") ); +#endif // wxUSE_THREADS + int argc = 0; wxChar *argv[WXEXECUTE_NARGS]; wxString argument; @@ -202,7 +269,7 @@ long wxExecute( const wxString& command, bool sync, wxProcess *process ) argv[argc] = NULL; // do execute the command - long lRc = wxExecute(argv, sync, process); + long lRc = wxExecute(argv, flags, process); // clean up argc = 0; @@ -235,7 +302,7 @@ static wxString wxMakeShellCommand(const wxString& command) bool wxShell(const wxString& command) { - return wxExecute(wxMakeShellCommand(command), TRUE /* sync */) == 0; + return wxExecute(wxMakeShellCommand(command), wxEXEC_SYNC) == 0; } bool wxShell(const wxString& command, wxArrayString& output) @@ -245,55 +312,48 @@ bool wxShell(const wxString& command, wxArrayString& output) return wxExecute(wxMakeShellCommand(command), output); } +// Shutdown or reboot the PC +bool wxShutdown(wxShutdownFlags wFlags) +{ + wxChar level; + switch ( wFlags ) + { + case wxSHUTDOWN_POWEROFF: + level = _T('0'); + break; + + case wxSHUTDOWN_REBOOT: + level = _T('6'); + break; + + default: + wxFAIL_MSG( _T("unknown wxShutdown() flag") ); + return FALSE; + } + + return system(wxString::Format(_T("init %c"), level).mb_str()) == 0; +} + + #if wxUSE_GUI void wxHandleProcessTermination(wxEndProcessData *proc_data) { - int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); - - // waitpid is POSIX so should be available everywhere, however on older - // systems wait() might be used instead in a loop (until the right pid - // terminates) - int status = 0; - int rc; - - // wait for child termination and if waitpid() was interrupted, try again - do + // notify user about termination if required + if ( proc_data->process ) { - rc = waitpid(pid, &status, 0); + proc_data->process->OnTerminate(proc_data->pid, proc_data->exitcode); } - while ( rc == -1 && errno == EINTR ); - - if( rc == -1 || ! (WIFEXITED(status) || WIFSIGNALED(status)) ) + // clean up + if ( proc_data->pid > 0 ) { - wxLogSysError(_("Waiting for subprocess termination failed")); - /* AFAIK, this can only happen if something went wrong within - wxGTK, i.e. due to a race condition or some serious bug. - After having fixed the order of statements in - GTK_EndProcessDetector(). (KB) - */ + delete proc_data; } else { - // notify user about termination if required - if (proc_data->process) - { - proc_data->process->OnTerminate(proc_data->pid, - WEXITSTATUS(status)); - } - // clean up - if ( proc_data->pid > 0 ) - { - delete proc_data; - } - else - { - // wxExecute() will know about it - proc_data->exitcode = status; - - proc_data->pid = 0; - } + // let wxExecute() know that the process has terminated + proc_data->pid = 0; } } @@ -303,111 +363,163 @@ void wxHandleProcessTermination(wxEndProcessData *proc_data) // wxStream classes to support IO redirection in wxExecute // ---------------------------------------------------------------------------- -class wxProcessFileInputStream : public wxInputStream -{ -public: - wxProcessFileInputStream(int fd) { m_fd = fd; } - ~wxProcessFileInputStream() { close(m_fd); } - - virtual bool Eof() const; - -protected: - size_t OnSysRead(void *buffer, size_t bufsize); +#if wxUSE_STREAMS -protected: - int m_fd; -}; +// ---------------------------------------------------------------------------- +// wxPipeInputStream: stream for reading from a pipe +// ---------------------------------------------------------------------------- -class wxProcessFileOutputStream : public wxOutputStream +class wxPipeInputStream : public wxFileInputStream { public: - wxProcessFileOutputStream(int fd) { m_fd = fd; } - ~wxProcessFileOutputStream() { close(m_fd); } + wxPipeInputStream(int fd) : wxFileInputStream(fd) { } -protected: - size_t OnSysWrite(const void *buffer, size_t bufsize); + // return TRUE if the pipe is still opened + bool IsOpened() const { return !Eof(); } -protected: - int m_fd; + // return TRUE if we have anything to read, don't block + virtual bool CanRead() const; }; -bool wxProcessFileInputStream::Eof() const +bool wxPipeInputStream::CanRead() const { if ( m_lasterror == wxSTREAM_EOF ) - return TRUE; + return FALSE; // check if there is any input available struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 0; + const int fd = m_file->fd(); + fd_set readfds; FD_ZERO(&readfds); - FD_SET(m_fd, &readfds); - switch ( select(m_fd + 1, &readfds, NULL, NULL, &tv) ) + FD_SET(fd, &readfds); + switch ( select(fd + 1, &readfds, NULL, NULL, &tv) ) { case -1: wxLogSysError(_("Impossible to get child process input")); // fall through case 0: - return TRUE; + return FALSE; default: wxFAIL_MSG(_T("unexpected select() return value")); // still fall through case 1: - // input available: check if there is any - return wxInputStream::Eof(); + // input available -- or maybe not, as select() returns 1 when a + // read() will complete without delay, but it could still not read + // anything + return !Eof(); } } -size_t wxProcessFileInputStream::OnSysRead(void *buffer, size_t bufsize) +// define this to let wxexec.cpp know that we know what we're doing +#define _WX_USED_BY_WXEXECUTE_ +#include "../common/execcmn.cpp" + +#endif // wxUSE_STREAMS + +// ---------------------------------------------------------------------------- +// wxPipe: this encapsulates pipe() system call +// ---------------------------------------------------------------------------- + +class wxPipe { - int ret = read(m_fd, buffer, bufsize); - if ( ret == 0 ) +public: + // the symbolic names for the pipe ends + enum Direction { - m_lasterror = wxSTREAM_EOF; - } - else if ( ret == -1 ) + Read, + Write + }; + + enum { - m_lasterror = wxSTREAM_READ_ERROR; - ret = 0; - } - else + INVALID_FD = -1 + }; + + // default ctor doesn't do anything + wxPipe() { m_fds[Read] = m_fds[Write] = INVALID_FD; } + + // create the pipe, return TRUE if ok, FALSE on error + bool Create() { - m_lasterror = wxSTREAM_NOERROR; + if ( pipe(m_fds) == -1 ) + { + wxLogSysError(_("Pipe creation failed")); + + return FALSE; + } + + return TRUE; } - return ret; -} + // return TRUE if we were created successfully + bool IsOk() const { return m_fds[Read] != INVALID_FD; } -size_t wxProcessFileOutputStream::OnSysWrite(const void *buffer, size_t bufsize) -{ - int ret = write(m_fd, buffer, bufsize); - if ( ret == -1 ) + // return the descriptor for one of the pipe ends + int operator[](Direction which) const + { + wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_fds), + _T("invalid pipe index") ); + + return m_fds[which]; + } + + // detach a descriptor, meaning that the pipe dtor won't close it, and + // return it + int Detach(Direction which) { - m_lasterror = wxSTREAM_WRITE_ERROR; - ret = 0; + wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_fds), + _T("invalid pipe index") ); + + int fd = m_fds[which]; + m_fds[which] = INVALID_FD; + + return fd; } - else + + // close the pipe descriptors + void Close() { - m_lasterror = wxSTREAM_NOERROR; + for ( size_t n = 0; n < WXSIZEOF(m_fds); n++ ) + { + if ( m_fds[n] != INVALID_FD ) + close(m_fds[n]); + } } - return ret; -} + // dtor closes the pipe descriptors + ~wxPipe() { Close(); } + +private: + int m_fds[2]; +}; + +// ---------------------------------------------------------------------------- +// wxExecute: the real worker function +// ---------------------------------------------------------------------------- + +#ifdef __VMS + #pragma message disable codeunreachable +#endif long wxExecute(wxChar **argv, - bool sync, + int flags, wxProcess *process) { // for the sync execution, we return -1 to indicate failure, but for async - // cse we return 0 which is never a valid PID - long errorRetCode = sync ? -1 : 0; + // case we return 0 which is never a valid PID + // + // we define this as a macro, not a variable, to avoid compiler warnings + // about "ERROR_RETURN_CODE value may be clobbered by fork()" + #define ERROR_RETURN_CODE ((flags & wxEXEC_SYNC) ? -1 : 0) - wxCHECK_MSG( *argv, errorRetCode, wxT("can't exec empty command") ); + wxCHECK_MSG( *argv, ERROR_RETURN_CODE, wxT("can't exec empty command") ); #if wxUSE_UNICODE int mb_argc = 0; @@ -432,147 +544,180 @@ long wxExecute(wxChar **argv, wxChar **mb_argv = argv; #endif // Unicode/ANSI -#if wxUSE_GUI +#if wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) // create pipes - int end_proc_detect[2]; - if ( pipe(end_proc_detect) == -1 ) + wxPipe pipeEndProcDetect; + if ( !pipeEndProcDetect.Create() ) { - wxLogSysError( _("Pipe creation failed") ); wxLogError( _("Failed to execute '%s'\n"), *argv ); ARGS_CLEANUP; - return errorRetCode; + return ERROR_RETURN_CODE; } -#endif // wxUSE_GUI +#endif // wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) // pipes for inter process communication - int pipeIn[2], // stdin - pipeOut[2], // stdout - pipeErr[2]; // stderr - - pipeIn[0] = pipeIn[1] = - pipeOut[0] = pipeOut[1] = - pipeErr[0] = pipeErr[1] = -1; + wxPipe pipeIn, // stdin + pipeOut, // stdout + pipeErr; // stderr if ( process && process->IsRedirected() ) { - if ( pipe(pipeIn) == -1 || pipe(pipeOut) == -1 || pipe(pipeErr) == -1 ) + if ( !pipeIn.Create() || !pipeOut.Create() || !pipeErr.Create() ) { -#if wxUSE_GUI - // free previously allocated resources - close(end_proc_detect[0]); - close(end_proc_detect[1]); -#endif // wxUSE_GUI - - wxLogSysError( _("Pipe creation failed") ); wxLogError( _("Failed to execute '%s'\n"), *argv ); ARGS_CLEANUP; - return errorRetCode; + return ERROR_RETURN_CODE; } } // fork the process -#ifdef HAVE_VFORK - pid_t pid = vfork(); + // + // NB: do *not* use vfork() here, it completely breaks this code for some + // reason under Solaris (and maybe others, although not under Linux) + // But on OpenVMS we do not have fork so we have to use vfork and + // cross our fingers that it works. +#ifdef __VMS + pid_t pid = vfork(); #else - pid_t pid = fork(); + pid_t pid = fork(); #endif - - if ( pid == -1 ) // error? + if ( pid == -1 ) // error? { -#if wxUSE_GUI - close(end_proc_detect[0]); - close(end_proc_detect[1]); - close(pipeIn[0]); - close(pipeIn[1]); - close(pipeOut[0]); - close(pipeOut[1]); - close(pipeErr[0]); - close(pipeErr[1]); -#endif // wxUSE_GUI - wxLogSysError( _("Fork failed") ); ARGS_CLEANUP; - return errorRetCode; + return ERROR_RETURN_CODE; } else if ( pid == 0 ) // we're in child { -#if wxUSE_GUI - close(end_proc_detect[0]); // close reading side -#endif // wxUSE_GUI - // These lines close the open file descriptors to to avoid any // input/output which might block the process or irritate the user. If // one wants proper IO for the subprocess, the right thing to do is to // start an xterm executing it. - if ( !sync ) + if ( !(flags & wxEXEC_SYNC) ) { for ( int fd = 0; fd < FD_SETSIZE; fd++ ) { - if ( fd == pipeIn[0] || fd == pipeOut[1] || fd == pipeErr[1] -#if wxUSE_GUI - || fd == end_proc_detect[1] -#endif // wxUSE_GUI + if ( fd == pipeIn[wxPipe::Read] + || fd == pipeOut[wxPipe::Write] + || fd == pipeErr[wxPipe::Write] +#if wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) + || fd == pipeEndProcDetect[wxPipe::Write] +#endif // wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) ) { // don't close this one, we still need it continue; } - // leave stderr opened too, it won't do any hurm + // leave stderr opened too, it won't do any harm if ( fd != STDERR_FILENO ) close(fd); } } - // redirect stdio, stdout and stderr - if ( pipeIn[0] != -1 ) +#if !defined(__VMS) && !defined(__EMX__) + if ( flags & wxEXEC_MAKE_GROUP_LEADER ) + { + // Set process group to child process' pid. Then killing -pid + // of the parent will kill the process and all of its children. + setsid(); + } +#endif // !__VMS + +#if wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) + // reading side can be safely closed but we should keep the write one + // opened + pipeEndProcDetect.Detach(wxPipe::Write); + pipeEndProcDetect.Close(); +#endif // wxUSE_GUI && !(defined(__DARWIN__) && defined(__WXMAC__)) + + // redirect stdin, stdout and stderr + if ( pipeIn.IsOk() ) { - if ( dup2(pipeIn[0], STDIN_FILENO) == -1 || - dup2(pipeOut[1], STDOUT_FILENO) == -1 || - dup2(pipeErr[1], STDERR_FILENO) == -1 ) + if ( dup2(pipeIn[wxPipe::Read], STDIN_FILENO) == -1 || + dup2(pipeOut[wxPipe::Write], STDOUT_FILENO) == -1 || + dup2(pipeErr[wxPipe::Write], STDERR_FILENO) == -1 ) { wxLogSysError(_("Failed to redirect child process input/output")); } - close(pipeIn[0]); - close(pipeOut[1]); - close(pipeErr[1]); + pipeIn.Close(); + pipeOut.Close(); + pipeErr.Close(); } execvp (*mb_argv, mb_argv); + fprintf(stderr, "execvp("); + for ( char **ppc = mb_argv; *ppc; ppc++ ) + fprintf(stderr, "%s%s", ppc == mb_argv ? "" : ", ", *ppc); + fprintf(stderr, ") failed with error %d!\n", errno); + // there is no return after successful exec() _exit(-1); + + // some compilers complain about missing return - of course, they + // should know that exit() doesn't return but what else can we do if + // they don't? + // + // and, sure enough, other compilers complain about unreachable code + // after exit() call, so we can just always have return here... +#if defined(__VMS) || defined(__INTEL_COMPILER) + return 0; +#endif } else // we're in parent { ARGS_CLEANUP; - // pipe initialization: construction of the wxStreams + // prepare for IO redirection + +#if wxUSE_STREAMS + // the input buffer bufOut is connected to stdout, this is why it is + // called bufOut and not bufIn + wxStreamTempInputBuffer bufOut, + bufErr; +#endif // wxUSE_STREAMS + if ( process && process->IsRedirected() ) { - // These two streams are relative to this process. - wxOutputStream *outStream = new wxProcessFileOutputStream(pipeIn[1]); - wxInputStream *inStream = new wxProcessFileInputStream(pipeOut[0]); - wxInputStream *errStream = new wxProcessFileInputStream(pipeErr[0]); +#if wxUSE_STREAMS + wxOutputStream *inStream = + new wxFileOutputStream(pipeIn.Detach(wxPipe::Write)); + + wxPipeInputStream *outStream = + new wxPipeInputStream(pipeOut.Detach(wxPipe::Read)); - close(pipeIn[0]); // close reading side - close(pipeOut[1]); // close writing side - close(pipeErr[1]); // close writing side + wxPipeInputStream *errStream = + new wxPipeInputStream(pipeErr.Detach(wxPipe::Read)); - process->SetPipeStreams(inStream, outStream, errStream); + process->SetPipeStreams(outStream, inStream, errStream); + + bufOut.Init(outStream); + bufErr.Init(errStream); +#endif // wxUSE_STREAMS } -#if wxUSE_GUI + if ( pipeIn.IsOk() ) + { + pipeIn.Close(); + pipeOut.Close(); + pipeErr.Close(); + } + +#if wxUSE_GUI && !defined(__WXMICROWIN__) wxEndProcessData *data = new wxEndProcessData; - if ( sync ) + // wxAddProcessCallback is now (with DARWIN) allowed to call the + // callback function directly if the process terminates before + // the callback can be added to the run loop. Set up the data. + if ( flags & wxEXEC_SYNC ) { // we may have process for capturing the program output, but it's // not used in wxEndProcessData in the case of sync execution @@ -580,16 +725,47 @@ long wxExecute(wxChar **argv, // sync execution: indicate it by negating the pid data->pid = -pid; - data->tag = wxAddProcessCallback(data, end_proc_detect[0]); + } + else + { + // async execution, nothing special to do - caller will be + // notified about the process termination if process != NULL, data + // will be deleted in GTK_EndProcessDetector + data->process = process; + data->pid = pid; + } + + +#if defined(__DARWIN__) && defined(__WXMAC__) + data->tag = wxAddProcessCallbackForPid(data,pid); +#else + data->tag = wxAddProcessCallback + ( + data, + pipeEndProcDetect.Detach(wxPipe::Read) + ); - close(end_proc_detect[1]); // close writing side + pipeEndProcDetect.Close(); +#endif // defined(__DARWIN__) && defined(__WXMAC__) + if ( flags & wxEXEC_SYNC ) + { wxBusyCursor bc; wxWindowDisabler wd; - // it will be set to 0 from GTK_EndProcessDetector - while (data->pid != 0) + // data->pid will be set to 0 from GTK_EndProcessDetector when the + // process terminates + while ( data->pid != 0 ) + { +#if wxUSE_STREAMS + bufOut.Update(); + bufErr.Update(); +#endif // wxUSE_STREAMS + + // give GTK+ a chance to call GTK_EndProcessDetector here and + // also repaint the GUI wxYield(); + } int exitcode = data->exitcode; @@ -599,19 +775,12 @@ long wxExecute(wxChar **argv, } else // async execution { - // async execution, nothing special to do - caller will be - // notified about the process termination if process != NULL, data - // will be deleted in GTK_EndProcessDetector - data->process = process; - data->pid = pid; - data->tag = wxAddProcessCallback(data, end_proc_detect[0]); - - close(end_proc_detect[1]); // close writing side - return pid; } #else // !wxUSE_GUI - wxASSERT_MSG( sync, wxT("async execution not supported yet") ); + + wxASSERT_MSG( flags & wxEXEC_SYNC, + wxT("async execution not supported yet") ); int exitcode = 0; if ( waitpid(pid, &exitcode, 0) == -1 || !WIFEXITED(exitcode) ) @@ -622,15 +791,15 @@ long wxExecute(wxChar **argv, return exitcode; #endif // wxUSE_GUI } + + return ERROR_RETURN_CODE; +} + #ifdef __VMS - // VMS does not recognise exit as a return and complains about - // a missing return - // I think VMS is wrong in this - // JJ - return 0; + #pragma message enable codeunreachable #endif -} +#undef ERROR_RETURN_CODE #undef ARGS_CLEANUP // ---------------------------------------------------------------------------- @@ -640,13 +809,13 @@ long wxExecute(wxChar **argv, const wxChar* wxGetHomeDir( wxString *home ) { *home = wxGetUserHome( wxString() ); - wxString tmp; + wxString tmp; if ( home->IsEmpty() ) *home = wxT("/"); #ifdef __VMS - tmp = *home; - if ( tmp.Last() != wxT(']')) - if ( tmp.Last() != wxT('/')) *home << wxT('/'); + tmp = *home; + if ( tmp.Last() != wxT(']')) + if ( tmp.Last() != wxT('/')) *home << wxT('/'); #endif return home->c_str(); } @@ -665,7 +834,12 @@ char *wxGetUserHome( const wxString &user ) if ((ptr = wxGetenv(wxT("HOME"))) != NULL) { +#if wxUSE_UNICODE + wxWCharBuffer buffer( ptr ); + return buffer; +#else return ptr; +#endif } if ((ptr = wxGetenv(wxT("USER"))) != NULL || (ptr = wxGetenv(wxT("LOGNAME"))) != NULL) { @@ -806,14 +980,16 @@ bool wxGetUserName(wxChar *buf, int sz) return FALSE; } +#ifndef __WXMAC__ wxString wxGetOsDescription() { #ifndef WXWIN_OS_DESCRIPTION #error WXWIN_OS_DESCRIPTION should be defined in config.h by configure #else - return WXWIN_OS_DESCRIPTION; + return wxString::FromAscii( WXWIN_OS_DESCRIPTION ); #endif } +#endif // this function returns the GUI toolkit version in GUI programs, but OS // version in non-GUI ones @@ -840,6 +1016,11 @@ int wxGetOsVersion(int *majorVsn, int *minorVsn) #endif // !wxUSE_GUI +unsigned long wxGetProcessId() +{ + return (unsigned long)getpid(); +} + long wxGetFreeMemory() { #if defined(__LINUX__) @@ -869,15 +1050,68 @@ long wxGetFreeMemory() return -1; } +bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) +{ +#if defined(HAVE_STATFS) || defined(HAVE_STATVFS) + // the case to "char *" is needed for AIX 4.3 + wxStatfs_t fs; + if ( wxStatfs((char *)(const char*)path.fn_str(), &fs) != 0 ) + { + wxLogSysError( wxT("Failed to get file system statistics") ); + + return FALSE; + } + + // under Solaris we also have to use f_frsize field instead of f_bsize + // which is in general a multiple of f_frsize +#ifdef HAVE_STATVFS + wxLongLong blockSize = fs.f_frsize; +#else // HAVE_STATFS + wxLongLong blockSize = fs.f_bsize; +#endif // HAVE_STATVFS/HAVE_STATFS + + if ( pTotal ) + { + *pTotal = wxLongLong(fs.f_blocks) * blockSize; + } + + if ( pFree ) + { + *pFree = wxLongLong(fs.f_bavail) * blockSize; + } + + return TRUE; +#else // !HAVE_STATFS && !HAVE_STATVFS + return FALSE; +#endif // HAVE_STATFS +} + // ---------------------------------------------------------------------------- // env vars // ---------------------------------------------------------------------------- +bool wxGetEnv(const wxString& var, wxString *value) +{ + // wxGetenv is defined as getenv() + wxChar *p = wxGetenv(var); + if ( !p ) + return FALSE; + + if ( value ) + { + *value = p; + } + + return TRUE; +} + bool wxSetEnv(const wxString& variable, const wxChar *value) { #if defined(HAVE_SETENV) - return setenv(variable.mb_str(), value ? wxString(value).mb_str().data() - : NULL, 1 /* overwrite */) == 0; + return setenv(variable.mb_str(), + value ? (const char *)wxString(value).mb_str() + : NULL, + 1 /* overwrite */) == 0; #elif defined(HAVE_PUTENV) wxString s = variable; if ( value ) @@ -904,7 +1138,7 @@ bool wxSetEnv(const wxString& variable, const wxChar *value) #include -static void wxFatalSignalHandler(wxTYPE_SA_HANDLER) +extern "C" void wxFatalSignalHandler(wxTYPE_SA_HANDLER) { if ( wxTheApp ) { @@ -973,6 +1207,8 @@ bool wxHandleFatalExceptions(bool doit) // error and debug output routines (deprecated, use wxLog) // ---------------------------------------------------------------------------- +#if WXWIN_COMPATIBILITY_2_2 + void wxDebugMsg( const char *format, ... ) { va_list ap; @@ -999,3 +1235,5 @@ void wxFatalError( const wxString &msg, const wxString &title ) exit(3); // the same exit code as for abort() } +#endif // WXWIN_COMPATIBILITY_2_2 +