xref: /aoo41x/main/sal/osl/os2/process_impl.cxx (revision cdf0e10c)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 
29 #define INCL_DOS
30 #include <os2.h>
31 
32 #include "osl/process.h"
33 #include <osl/mutex.h>
34 
35 #ifndef INCLUDED_LIMITS_H
36 #include <limits.h>
37 #define INCLUDED_LIMITS_H
38 #endif
39 
40 #ifndef INCLUDED_PTHREAD_H
41 #include <pthread.h>
42 #define INCLUDED_PTHREAD_H
43 #endif
44 
45 #ifndef INCLUDED_STDLIB_H
46 #include <stdlib.h>
47 #define INCLUDED_STDLIB_H
48 #endif
49 
50 #ifndef INCLUDED_STRING_H
51 #include <string.h>
52 #define INCLUDED_STRING_H
53 #endif
54 #include "osl/diagnose.h"
55 #include <osl/file.h>
56 #include "osl/module.h"
57 #include "osl/thread.h"
58 #include "rtl/ustring.hxx"
59 
60 #ifndef _OSL_FILE_PATH_HELPER_H_
61 #include "file_path_helper.h"
62 #endif
63 
64 #ifndef _OSL_UUNXAPI_H_
65 #include "uunxapi.h"
66 #endif
67 
68 /***************************************
69   osl_bootstrap_getExecutableFile_Impl().
70 
71   @internal
72   @see rtl_bootstrap
73   @see #i37371#
74 
75  **************************************/
76 
77 extern "C" oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
78 	rtl_uString ** ppFileURL
79 ) SAL_THROW_EXTERN_C();
80 
81 
82 oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
83 	rtl_uString ** ppFileURL
84 ) SAL_THROW_EXTERN_C()
85 {
86     oslProcessError result = osl_Process_E_NotFound;
87     CHAR    szName[CCHMAXPATH];
88 	PPIB    ppib;
89 	PTIB    ptib;
90 	APIRET	rc;
91 
92 	rc = DosGetInfoBlocks(&ptib, &ppib);
93 	rc = DosQueryModuleName(ppib->pib_hmte, sizeof(szName), szName);
94 
95 	if (rc == 0)
96 	{
97 		rtl_uString * pAbsPath = 0;
98 
99         rtl_string2UString(
100 			&pAbsPath,
101 			szName, strlen(szName), osl_getThreadTextEncoding(),
102 			OSTRING_TO_OUSTRING_CVTFLAGS);
103 
104 		if (pAbsPath)
105 		{
106 			/* Convert from path to url. */
107 			if (osl_getFileURLFromSystemPath (pAbsPath, ppFileURL) == osl_File_E_None)
108 			{
109 				/* Success. */
110 				result = osl_Process_E_None;
111 			}
112 			rtl_uString_release (pAbsPath);
113 		}
114 	}
115 
116 	return (result);
117 }
118 
119 /***************************************
120  CommandArgs_Impl.
121  **************************************/
122 struct CommandArgs_Impl
123 {
124 	oslMutex		m_mutex;
125 	sal_uInt32      m_nCount;
126 	rtl_uString **  m_ppArgs;
127 };
128 
129 static struct CommandArgs_Impl g_command_args =
130 {
131 	osl_createMutex(),
132 	0,
133 	0
134 };
135 
136 /***************************************
137   osl_getExecutableFile().
138  **************************************/
139 oslProcessError SAL_CALL osl_getExecutableFile (rtl_uString ** ppustrFile)
140 {
141 	oslProcessError result = osl_Process_E_NotFound;
142 
143 	osl_acquireMutex(g_command_args.m_mutex);
144     OSL_ASSERT(g_command_args.m_nCount > 0);
145 	if (g_command_args.m_nCount > 0)
146 	{
147 		/* CommandArgs set. Obtain argv[0]. */
148 		rtl_uString_assign (ppustrFile, g_command_args.m_ppArgs[0]);
149 		result = osl_Process_E_None;
150 	}
151 	osl_releaseMutex(g_command_args.m_mutex);
152 
153 	return (result);
154 }
155 
156 /***************************************
157  osl_getCommandArgCount().
158  **************************************/
159 sal_uInt32 SAL_CALL osl_getCommandArgCount (void)
160 {
161 	sal_uInt32 result = 0;
162 
163 	osl_acquireMutex(g_command_args.m_mutex);
164     OSL_ASSERT(g_command_args.m_nCount > 0);
165 	if (g_command_args.m_nCount > 0)
166 		result = g_command_args.m_nCount - 1;
167 	osl_releaseMutex(g_command_args.m_mutex);
168 
169 	return (result);
170 }
171 
172 /***************************************
173  osl_getCommandArg().
174  **************************************/
175 oslProcessError SAL_CALL osl_getCommandArg (sal_uInt32 nArg, rtl_uString ** strCommandArg)
176 {
177 	oslProcessError result = osl_Process_E_NotFound;
178 
179 	osl_acquireMutex(g_command_args.m_mutex);
180     OSL_ASSERT(g_command_args.m_nCount > 0);
181 	if (g_command_args.m_nCount > (nArg + 1))
182 	{
183 		rtl_uString_assign (strCommandArg, g_command_args.m_ppArgs[nArg + 1]);
184 		result = osl_Process_E_None;
185 	}
186 	osl_releaseMutex(g_command_args.m_mutex);
187 
188 	return (result);
189 }
190 
191 /***************************************
192  osl_setCommandArgs().
193  **************************************/
194 void SAL_CALL osl_setCommandArgs (int argc, char ** argv)
195 {
196     OSL_ASSERT(argc > 0);
197 	osl_acquireMutex(g_command_args.m_mutex);
198 	OSL_ENSURE (g_command_args.m_nCount == 0, "osl_setCommandArgs(): CommandArgs already set.");
199 	if (g_command_args.m_nCount == 0)
200 	{
201 		rtl_uString** ppArgs = (rtl_uString**)rtl_allocateZeroMemory (argc * sizeof(rtl_uString*));
202 		if (ppArgs != 0)
203 		{
204 			rtl_TextEncoding encoding = osl_getThreadTextEncoding();
205 			for (int i = 0; i < argc; i++)
206 			{
207 				rtl_string2UString (
208 					&(ppArgs[i]),
209 					argv[i], rtl_str_getLength (argv[i]), encoding,
210 					OSTRING_TO_OUSTRING_CVTFLAGS);
211 			}
212 			if (ppArgs[0] != 0)
213 			{
214 				/* see @ osl_getExecutableFile(). */
215 				if (rtl_ustr_indexOfChar (rtl_uString_getStr(ppArgs[0]), sal_Unicode('/')) == -1)
216 				{
217 					const rtl::OUString PATH (RTL_CONSTASCII_USTRINGPARAM("PATH"));
218 
219 					rtl_uString * pSearchPath = 0;
220 					osl_getEnvironment (PATH.pData, &pSearchPath);
221 					if (pSearchPath)
222 					{
223 						rtl_uString * pSearchResult = 0;
224 						osl_searchPath (ppArgs[0], pSearchPath, &pSearchResult);
225 						if (pSearchResult)
226 						{
227 							rtl_uString_assign (&(ppArgs[0]), pSearchResult);
228 							rtl_uString_release (pSearchResult);
229 						}
230 						rtl_uString_release (pSearchPath);
231 					}
232 				}
233 
234 				rtl_uString * pArg0 = 0;
235 				if (realpath_u (ppArgs[0], &pArg0))
236 				{
237 					osl_getFileURLFromSystemPath (pArg0, &(ppArgs[0]));
238 					rtl_uString_release (pArg0);
239 				}
240 			}
241 			g_command_args.m_nCount = argc;
242 			g_command_args.m_ppArgs = ppArgs;
243 		}
244 	}
245 	osl_releaseMutex(g_command_args.m_mutex);
246 
247 }
248 
249 /***************************************
250  osl_getEnvironment().
251  **************************************/
252 oslProcessError SAL_CALL osl_getEnvironment(rtl_uString* pustrEnvVar, rtl_uString** ppustrValue)
253 {
254 	oslProcessError  result   = osl_Process_E_NotFound;
255 	rtl_TextEncoding encoding = osl_getThreadTextEncoding();
256 	rtl_String* pstr_env_var  = 0;
257 
258 	OSL_PRECOND(pustrEnvVar, "osl_getEnvironment(): Invalid parameter");
259 	OSL_PRECOND(ppustrValue, "osl_getEnvironment(): Invalid parameter");
260 
261 	rtl_uString2String(
262 		&pstr_env_var,
263 		rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
264 		OUSTRING_TO_OSTRING_CVTFLAGS);
265 	if (pstr_env_var != 0)
266 	{
267 		const char* p_env_var = getenv (rtl_string_getStr (pstr_env_var));
268 		if (p_env_var != 0)
269 		{
270 			rtl_string2UString(
271 				ppustrValue,
272 				p_env_var, strlen(p_env_var), encoding,
273 				OSTRING_TO_OUSTRING_CVTFLAGS);
274 			OSL_ASSERT(*ppustrValue != NULL);
275 
276 			result = osl_Process_E_None;
277 		}
278 		rtl_string_release(pstr_env_var);
279 	}
280 
281 	return (result);
282 }
283 
284 /***************************************
285  osl_setEnvironment().
286  **************************************/
287 oslProcessError SAL_CALL osl_setEnvironment(rtl_uString* pustrEnvVar, rtl_uString* pustrValue)
288 {
289 	oslProcessError  result   = osl_Process_E_Unknown;
290 	rtl_TextEncoding encoding = osl_getThreadTextEncoding();
291 	rtl_String* pstr_env_var  = 0;
292 	rtl_String* pstr_val  = 0;
293 
294 	OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
295 	OSL_PRECOND(pustrValue, "osl_setEnvironment(): Invalid parameter");
296 
297 	rtl_uString2String(
298 		&pstr_env_var,
299 		rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
300 		OUSTRING_TO_OSTRING_CVTFLAGS);
301 
302 	rtl_uString2String(
303 		&pstr_val,
304 		rtl_uString_getStr(pustrValue), rtl_uString_getLength(pustrValue), encoding,
305 		OUSTRING_TO_OSTRING_CVTFLAGS);
306 
307 	if (pstr_env_var != 0 && pstr_val != 0)
308 	{
309 		//Can't determine if OS/2 EMX has a working setenv or not, so use putenv,
310 		//feel free to use setenv here if its available and works
311 		rtl_String * pBuffer = NULL;
312 
313 		sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
314 			rtl_string_getLength(pstr_env_var) + rtl_string_getLength(pstr_val) + 1,
315 			pstr_env_var );
316 		rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
317 		rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length,
318 			rtl_string_getStr(pstr_val), rtl_string_getLength(pstr_val) );
319 
320 		rtl_string_acquire(pBuffer); // argument to putenv must leak on success
321 
322 		if (putenv(rtl_string_getStr(pBuffer)) == 0)
323 			result = osl_Process_E_None;
324 		else
325 			rtl_string_release(pBuffer);
326 	}
327 
328 	if (pstr_val)
329 		rtl_string_release(pstr_val);
330 
331 	if (pstr_env_var != 0)
332 		rtl_string_release(pstr_env_var);
333 
334 	return (result);
335 }
336 
337 /***************************************
338  osl_clearEnvironment().
339  **************************************/
340 oslProcessError SAL_CALL osl_clearEnvironment(rtl_uString* pustrEnvVar)
341 {
342 	oslProcessError  result   = osl_Process_E_Unknown;
343 	rtl_TextEncoding encoding = osl_getThreadTextEncoding();
344 	rtl_String* pstr_env_var  = 0;
345 
346 	OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
347 
348 	rtl_uString2String(
349 		&pstr_env_var,
350 		rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
351 		OUSTRING_TO_OSTRING_CVTFLAGS);
352 
353 	if (pstr_env_var)
354 	{
355 		//Can't determine if OS/2 EMX has a working unsetenv or not, so use putenv,
356 		//feel free to use unsetenv here if its available and works
357 		rtl_String * pBuffer = NULL;
358 
359 		sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
360 			rtl_string_getLength(pstr_env_var) + 1, pstr_env_var );
361 		rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
362 
363 		rtl_string_acquire(pBuffer); // argument to putenv must leak on success
364 
365 		if (putenv(rtl_string_getStr(pBuffer)) == 0)
366 			result = osl_Process_E_None;
367 		else
368 			rtl_string_release(pBuffer);
369 
370 		rtl_string_release(pstr_env_var);
371 	}
372 
373 	return (result);
374 }
375 
376 /***************************************
377  osl_getProcessWorkingDir().
378  **************************************/
379 oslProcessError SAL_CALL osl_getProcessWorkingDir(rtl_uString **ppustrWorkingDir)
380 {
381     oslProcessError result = osl_Process_E_Unknown;
382 	char buffer[PATH_MAX];
383 
384 	OSL_PRECOND(ppustrWorkingDir, "osl_getProcessWorkingDir(): Invalid parameter");
385 
386     if (getcwd (buffer, sizeof(buffer)) != 0)
387     {
388         rtl_uString* ustrTmp = 0;
389 
390         rtl_string2UString(
391 			&ustrTmp,
392 			buffer, strlen(buffer), osl_getThreadTextEncoding(),
393 			OSTRING_TO_OUSTRING_CVTFLAGS);
394         if (ustrTmp != 0)
395         {
396 			if (osl_getFileURLFromSystemPath (ustrTmp, ppustrWorkingDir) == osl_File_E_None)
397 				result = osl_Process_E_None;
398 			rtl_uString_release (ustrTmp);
399 		}
400 	}
401 
402     return (result);
403 }
404 
405 /******************************************************************************
406  *
407  *              new functions to set/return the current process locale
408  *
409  *****************************************************************************/
410 
411 struct ProcessLocale_Impl
412 {
413 	oslMutex		m_mutex;
414 	rtl_Locale *    m_pLocale;
415 };
416 
417 static struct ProcessLocale_Impl g_process_locale =
418 {
419 	osl_createMutex(),
420 	0
421 };
422 
423 extern "C" void _imp_getProcessLocale( rtl_Locale ** );
424 extern "C" int  _imp_setProcessLocale( rtl_Locale * );
425 
426 /**********************************************
427  osl_getProcessLocale().
428  *********************************************/
429 oslProcessError SAL_CALL osl_getProcessLocale( rtl_Locale ** ppLocale )
430 {
431     OSL_PRECOND(ppLocale, "osl_getProcessLocale(): Invalid parameter.");
432 
433     osl_acquireMutex(g_process_locale.m_mutex);
434 
435     if (g_process_locale.m_pLocale == 0)
436         _imp_getProcessLocale (&(g_process_locale.m_pLocale));
437     *ppLocale = g_process_locale.m_pLocale;
438 
439     osl_releaseMutex(g_process_locale.m_mutex);
440 
441     return (osl_Process_E_None);
442 }
443 
444 /**********************************************
445  osl_setProcessLocale().
446  *********************************************/
447 oslProcessError SAL_CALL osl_setProcessLocale( rtl_Locale * pLocale )
448 {
449     oslProcessError result = osl_Process_E_Unknown;
450 
451     OSL_PRECOND(pLocale, "osl_setProcessLocale(): Invalid parameter.");
452 
453     osl_acquireMutex(g_process_locale.m_mutex);
454     if (_imp_setProcessLocale (pLocale) == 0)
455     {
456         g_process_locale.m_pLocale = pLocale;
457         result = osl_Process_E_None;
458     }
459     osl_releaseMutex(g_process_locale.m_mutex);
460 
461     return (result);
462 }
463 
464