Mercurial > hg > octave-nkf
annotate liboctave/lo-sysdep.cc @ 10250:2d47356a7a1a
use gnulib getcwd module
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 03 Feb 2010 03:07:06 -0500 |
| parents | 0522a65bcd56 |
| children | 65b41bc71f09 |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 1996, 1997, 2000, 2001, 2005, 2006, 2007, 2008 John W. Eaton |
| 2926 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2926 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2926 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 3503 | 27 #include <iostream> |
| 2926 | 28 #include <string> |
| 6321 | 29 #include <vector> |
| 2926 | 30 |
| 31 #include <sys/types.h> | |
| 32 #include <unistd.h> | |
| 33 | |
| 6321 | 34 #ifdef HAVE_FCNTL_H |
| 35 #include <fcntl.h> | |
| 36 #endif | |
| 37 | |
|
7695
eacf87a24f55
lo-sysdep.cc: include windows.h if windows and not cygwin
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
38 #if defined (__WIN32__) && ! defined (__CYGWIN__) |
|
eacf87a24f55
lo-sysdep.cc: include windows.h if windows and not cygwin
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
39 #include <windows.h> |
|
9941
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
40 #ifdef max |
|
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
41 # undef min |
|
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
42 # undef max |
|
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
43 #endif |
|
7695
eacf87a24f55
lo-sysdep.cc: include windows.h if windows and not cygwin
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
44 #endif |
|
eacf87a24f55
lo-sysdep.cc: include windows.h if windows and not cygwin
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
45 |
| 5872 | 46 #include "file-ops.h" |
| 3069 | 47 #include "lo-error.h" |
| 2926 | 48 #include "pathlen.h" |
| 6123 | 49 #include "lo-sysdep.h" |
| 6321 | 50 #include "str-vec.h" |
|
8377
25bc2d31e1bf
improve OCTAVE_LOCAL_BUFFER
Jaroslav Hajek <highegg@gmail.com>
parents:
7732
diff
changeset
|
51 #include "oct-locbuf.h" |
| 2926 | 52 |
| 3504 | 53 std::string |
| 2926 | 54 octave_getcwd (void) |
| 55 { | |
| 3504 | 56 std::string retval; |
| 3069 | 57 |
| 10250 | 58 // Using the gnulib getcwd module ensures that we have a getcwd that |
| 59 // will allocate a buffer as large as necessary if buf and size are | |
| 60 // both 0. | |
| 3069 | 61 |
| 10250 | 62 char *tmp = getcwd (0, 0); |
| 2926 | 63 |
| 64 if (tmp) | |
| 10250 | 65 { |
| 66 retval = tmp; | |
| 67 free (tmp); | |
| 68 } | |
| 3069 | 69 else |
| 70 (*current_liboctave_error_handler) ("unable to find current directory"); | |
| 2926 | 71 |
| 72 return retval; | |
| 73 } | |
| 74 | |
| 75 int | |
| 5872 | 76 octave_chdir (const std::string& path_arg) |
| 2926 | 77 { |
| 5872 | 78 std::string path = file_ops::tilde_expand (path_arg); |
| 79 | |
| 2926 | 80 #if defined (__EMX__) |
| 81 int retval = -1; | |
| 82 | |
| 83 char *tmp_path = strsave (path.c_str ()); | |
| 84 | |
| 85 if (path.length () == 2 && path[1] == ':') | |
| 86 { | |
| 87 char *upper_case_dir_name = strupr (tmp_path); | |
| 88 _chdrive (upper_case_dir_name[0]); | |
| 89 if (_getdrive () == upper_case_dir_name[0]) | |
| 90 retval = _chdir2 ("/"); | |
| 91 } | |
| 92 else | |
| 93 retval = _chdir2 (tmp_path); | |
| 94 | |
| 95 delete [] tmp_path; | |
| 96 | |
| 97 return retval; | |
| 98 #else | |
| 6244 | 99 |
| 100 #if defined (__WIN32__) && ! defined (__CYGWIN__) | |
| 101 if (path.length() == 2 && path[1] == ':') | |
| 102 path += "\\"; | |
| 103 #endif | |
| 104 | |
| 2926 | 105 return chdir (path.c_str ()); |
| 106 #endif | |
| 107 } | |
| 108 | |
| 6321 | 109 #if defined (__WIN32__) && ! defined (__CYGWIN__) |
| 110 | |
| 111 pid_t | |
| 112 octave_popen2 (const std::string& cmd, const string_vector& args, bool sync_mode, | |
| 113 int *fildes, std::string& msg) | |
| 114 { | |
| 115 pid_t pid; | |
| 116 PROCESS_INFORMATION pi; | |
| 117 STARTUPINFO si; | |
| 118 std::string command = "\"" + cmd + "\""; | |
| 119 HANDLE hProcess = GetCurrentProcess(), childRead, childWrite, parentRead, parentWrite; | |
| 120 DWORD pipeMode; | |
| 121 | |
| 122 ZeroMemory (&pi, sizeof (pi)); | |
| 123 ZeroMemory (&si, sizeof (si)); | |
| 124 si.cb = sizeof (si); | |
| 125 | |
| 126 if (! CreatePipe (&childRead, &parentWrite, 0, 0) || | |
| 127 ! DuplicateHandle (hProcess, childRead, hProcess, &childRead, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE)) | |
| 128 { | |
| 129 msg = "popen2: pipe creation failed"; | |
| 130 return -1; | |
| 131 } | |
| 132 if (! CreatePipe (&parentRead, &childWrite, 0, 0) || | |
| 133 ! DuplicateHandle (hProcess, childWrite, hProcess, &childWrite, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE)) | |
| 134 { | |
| 135 msg = "popen2: pipe creation failed"; | |
| 136 return -1; | |
| 137 } | |
| 138 if (! sync_mode) | |
| 139 { | |
| 140 pipeMode = PIPE_NOWAIT; | |
| 141 SetNamedPipeHandleState (parentRead, &pipeMode, 0, 0); | |
| 142 } | |
| 143 fildes[1] = _open_osfhandle (reinterpret_cast<long> (parentRead), _O_RDONLY | _O_BINARY); | |
| 144 fildes[0] = _open_osfhandle (reinterpret_cast<long> (parentWrite), _O_WRONLY | _O_BINARY); | |
| 145 si.dwFlags |= STARTF_USESTDHANDLES; | |
| 146 si.hStdInput = childRead; | |
| 147 si.hStdOutput = childWrite; | |
| 148 | |
| 149 // Ignore first arg as it is the command | |
| 150 for (int k=1; k<args.length(); k++) | |
| 151 command += " \"" + args[k] + "\""; | |
| 152 OCTAVE_LOCAL_BUFFER (char, c_command, command.length () + 1); | |
| 153 strcpy (c_command, command.c_str ()); | |
| 154 if (! CreateProcess (0, c_command, 0, 0, TRUE, 0, 0, 0, &si, &pi)) | |
| 155 { | |
| 156 msg = "popen2: process creation failed"; | |
| 157 return -1; | |
| 158 } | |
| 159 pid = pi.dwProcessId; | |
| 160 | |
| 161 CloseHandle (childRead); | |
| 162 CloseHandle (childWrite); | |
| 163 CloseHandle (pi.hProcess); | |
| 164 CloseHandle (pi.hThread); | |
| 165 | |
| 166 return pid; | |
| 167 } | |
| 168 | |
| 169 #endif | |
| 170 | |
| 171 #if defined (_MSC_VER) && ! defined (HAVE_DIRENT_H) | |
| 6093 | 172 |
| 173 // FIXME -- it would probably be better to adapt the versions of | |
| 174 // opendir, readdir, and closedir from Emacs as they appear to be more | |
| 175 // complete implementations (do the functions below work for network | |
| 176 // paths, for example)? We can probably get along without rewinddir. | |
| 177 | |
| 6123 | 178 struct __DIR |
| 6093 | 179 { |
| 180 HANDLE hnd; | |
| 181 WIN32_FIND_DATA fd; | |
| 182 int dirty; | |
| 183 struct direct d; | |
| 6123 | 184 const char *current; |
| 185 }; | |
| 6093 | 186 |
| 187 DIR * | |
| 188 opendir (const char *name) | |
| 189 { | |
| 190 DIR *d = static_cast<DIR *> (malloc (sizeof (DIR))); | |
| 191 static char buffer[MAX_PATH]; | |
| 192 | |
| 193 strncpy (buffer, name, MAX_PATH); | |
| 6208 | 194 if (buffer[strnlen(buffer, MAX_PATH)-1] != '\\') |
| 195 strncat (buffer, "\\*", MAX_PATH); | |
| 196 else | |
| 197 strncat (buffer, "*", MAX_PATH); | |
| 6093 | 198 d->current = buffer; |
| 199 d->hnd = FindFirstFile (buffer, &(d->fd)); | |
| 200 if (d->hnd == INVALID_HANDLE_VALUE) | |
| 201 return 0; | |
| 202 d->dirty = 1; | |
| 203 return d; | |
| 204 } | |
| 205 | |
| 206 void | |
| 6123 | 207 rewinddir (DIR *d) |
| 6093 | 208 { |
| 209 if (d->hnd != INVALID_HANDLE_VALUE) | |
| 210 FindClose (d->hnd); | |
| 211 d->hnd = FindFirstFile (d->current, &(d->fd)); | |
| 212 d->dirty = 1; | |
| 213 } | |
| 214 | |
| 215 void | |
| 216 closedir (DIR *d) | |
| 217 { | |
| 218 if (d->hnd != INVALID_HANDLE_VALUE) | |
| 219 FindClose (d->hnd); | |
| 220 free (d); | |
| 221 } | |
| 222 | |
| 223 struct direct * | |
| 224 readdir (DIR *d) | |
| 225 { | |
| 226 if (! d->dirty) | |
| 227 { | |
| 228 if (! FindNextFile(d->hnd, &(d->fd))) | |
| 229 return 0; | |
| 230 } | |
| 231 d->d.d_name = d->fd.cFileName; | |
| 232 d->dirty = 0; | |
| 233 return &(d->d); | |
| 234 } | |
| 235 | |
| 236 #endif |