env-generic.cpp@ 24273

Last change on this file since 24273 was 21337, checked in by vboxsync, 15 years ago
IPRT,HostDrv,AddDrv: Export public IPRT symbols for the linux kernel (pain).
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1	/* $Id: env-generic.cpp 21337 2009-07-07 14:58:27Z vboxsync $ */
2	/** @file
3	* IPRT - Environment, Generic.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*
26	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
27	* Clara, CA 95054 USA or visit http://www.sun.com if you need
28	* additional information or have any questions.
29	*/
30
31
32	/*******************************************************************************
33	* Header Files *
34	*******************************************************************************/
35	#include <iprt/env.h>
36	#include "internal/iprt.h"
37
38	#include <iprt/assert.h>
39	#include <iprt/alloc.h>
40	#include <iprt/alloca.h>
41	#include <iprt/string.h>
42	#include <iprt/err.h>
43	#include "internal/magics.h"
44
45	#include <stdlib.h>
46	#if !defined(RT_OS_WINDOWS)
47	# include <unistd.h>
48	#endif
49	#ifdef RT_OS_DARWIN
50	# include <crt_externs.h>
51	#endif
52	#if defined(RT_OS_SOLARIS) \|\| defined(RT_OS_FREEBSD) \|\| defined(RT_OS_NETBSD) \|\| defined(RT_OS_OPENBSD)
53	RT_C_DECLS_BEGIN
54	extern char **environ;
55	RT_C_DECLS_END
56	#endif
57
58
59	/*******************************************************************************
60	* Defined Constants And Macros *
61	*******************************************************************************/
62	/** Macro that unlocks the specified environment block. */
63	#define RTENV_LOCK(pEnvInt) do { } while (0)
64	/** Macro that unlocks the specified environment block. */
65	#define RTENV_UNLOCK(pEnvInt) do { } while (0)
66
67
68	/*******************************************************************************
69	* Structures and Typedefs *
70	*******************************************************************************/
71	/**
72	* The internal representation of a (non-default) environment.
73	*/
74	typedef struct RTENVINTERNAL
75	{
76	/** Magic value . */
77	uint32_t u32Magic;
78	/** Number of variables in the array.
79	* This does not include the terminating NULL entry. */
80	size_t cVars;
81	/** Capacity (allocated size) of the array.
82	* This includes space for the terminating NULL element (for compatibility
83	* with the C library), so that c <= cCapacity - 1. */
84	size_t cAllocated;
85	/** Array of environment variables. */
86	char **papszEnv;
87	/** Array of environment variables in the process CP.
88	* This get (re-)constructed when RTEnvGetExecEnvP method is called. */
89	char **papszEnvOtherCP;
90	} RTENVINTERNAL, *PRTENVINTERNAL;
91
92	/** The allocation granularity of the RTENVINTERNAL::papszEnv memory. */
93	#define RTENV_GROW_SIZE 16
94
95
96	/**
97	* Internal worker that resolves the pointer to the default
98	* process environment. (environ)
99	*
100	* @returns Pointer to the default environment.
101	* This may be NULL.
102	*/
103	static const char * const *rtEnvDefault(void)
104	{
105	#ifdef RT_OS_DARWIN
106	return *(_NSGetEnviron());
107	#elif defined(RT_OS_L4)
108	/* So far, our L4 libraries do not include environment support. */
109	return NULL;
110	#else
111	return environ;
112	#endif
113	}
114
115
116	/**
117	* Internal worker that creates an environment handle with a specified capacity.
118	*
119	* @returns IPRT status code.
120	* @param ppIntEnv Where to store the result.
121	* @param cAllocated The initial array size.
122	*/
123	static int rtEnvCreate(PRTENVINTERNAL *ppIntEnv, size_t cAllocated)
124	{
125	/*
126	* Allocate environment handle.
127	*/
128	PRTENVINTERNAL pIntEnv = (PRTENVINTERNAL)RTMemAlloc(sizeof(*pIntEnv));
129	if (pIntEnv)
130	{
131	/*
132	* Pre-allocate the variable array.
133	*/
134	pIntEnv->u32Magic = RTENV_MAGIC;
135	pIntEnv->papszEnvOtherCP = NULL;
136	pIntEnv->cVars = 0;
137	pIntEnv->cAllocated = RT_ALIGN_Z(RT_MAX(cAllocated, RTENV_GROW_SIZE), RTENV_GROW_SIZE);
138	pIntEnv->papszEnv = (char *)RTMemAllocZ(sizeof(pIntEnv->papszEnv[0]) pIntEnv->cAllocated);
139	if (pIntEnv->papszEnv)
140	{
141	*ppIntEnv = pIntEnv;
142	return VINF_SUCCESS;
143	}
144
145	RTMemFree(pIntEnv);
146	}
147
148	return VERR_NO_MEMORY;
149	}
150
151
152	RTDECL(int) RTEnvCreate(PRTENV pEnv)
153	{
154	AssertPtrReturn(pEnv, VERR_INVALID_POINTER);
155	return rtEnvCreate(pEnv, RTENV_GROW_SIZE);
156	}
157	RT_EXPORT_SYMBOL(RTEnvCreate);
158
159
160	RTDECL(int) RTEnvDestroy(RTENV Env)
161	{
162	/*
163	* Ignore NIL_RTENV and validate input.
164	*/
165	if ( Env == NIL_RTENV
166	\|\| Env == RTENV_DEFAULT)
167	return VINF_SUCCESS;
168
169	PRTENVINTERNAL pIntEnv = Env;
170	AssertPtrReturn(pIntEnv, VERR_INVALID_HANDLE);
171	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, VERR_INVALID_HANDLE);
172
173	/*
174	* Do the cleanup.
175	*/
176	RTENV_LOCK(pIntEnv);
177	pIntEnv->u32Magic++;
178	size_t iVar = pIntEnv->cVars;
179	while (iVar-- > 0)
180	RTStrFree(pIntEnv->papszEnv[iVar]);
181	RTMemFree(pIntEnv->papszEnv);
182	pIntEnv->papszEnv = NULL;
183
184	if (pIntEnv->papszEnvOtherCP)
185	{
186	for (iVar = 0; pIntEnv->papszEnvOtherCP[iVar]; iVar++)
187	{
188	RTStrFree(pIntEnv->papszEnvOtherCP[iVar]);
189	pIntEnv->papszEnvOtherCP[iVar] = NULL;
190	}
191	RTMemFree(pIntEnv->papszEnvOtherCP);
192	pIntEnv->papszEnvOtherCP = NULL;
193	}
194
195	RTENV_UNLOCK(pIntEnv);
196	/RTCritSectDelete(&pIntEnv->CritSect) /
197	RTMemFree(pIntEnv);
198
199	return VINF_SUCCESS;
200	}
201	RT_EXPORT_SYMBOL(RTEnvDestroy);
202
203
204	RTDECL(int) RTEnvClone(PRTENV pEnv, RTENV EnvToClone)
205	{
206	/*
207	* Validate input and figure out how many variable to clone and where to get them.
208	*/
209	size_t cVars;
210	const char * const *papszEnv;
211	PRTENVINTERNAL pIntEnvToClone;
212	AssertPtrReturn(pEnv, VERR_INVALID_POINTER);
213	if (EnvToClone == RTENV_DEFAULT)
214	{
215	pIntEnvToClone = NULL;
216	papszEnv = rtEnvDefault();
217	cVars = 0;
218	if (papszEnv)
219	while (papszEnv[cVars])
220	cVars++;
221	}
222	else
223	{
224	pIntEnvToClone = EnvToClone;
225	AssertPtrReturn(pIntEnvToClone, VERR_INVALID_HANDLE);
226	AssertReturn(pIntEnvToClone->u32Magic == RTENV_MAGIC, VERR_INVALID_HANDLE);
227	RTENV_LOCK(pIntEnvToClone);
228
229	papszEnv = pIntEnvToClone->papszEnv;
230	cVars = pIntEnvToClone->cVars;
231	}
232
233	/*
234	* Create the duplicate.
235	*/
236	PRTENVINTERNAL pIntEnv;
237	int rc = rtEnvCreate(&pIntEnv, cVars + 1 /* NULL */);
238	if (RT_SUCCESS(rc))
239	{
240	pIntEnv->cVars = cVars;
241	pIntEnv->papszEnv[pIntEnv->cVars] = NULL;
242	if (EnvToClone == RTENV_DEFAULT)
243	{
244	/* ASSUMES the default environment is in the current codepage. */
245	for (size_t iVar = 0; iVar < cVars; iVar++)
246	{
247	int rc = RTStrCurrentCPToUtf8(&pIntEnv->papszEnv[iVar], papszEnv[iVar]);
248	if (RT_FAILURE(rc))
249	{
250	pIntEnv->cVars = iVar;
251	RTEnvDestroy(pIntEnv);
252	return rc;
253	}
254	}
255	}
256	else
257	{
258	for (size_t iVar = 0; iVar < cVars; iVar++)
259	{
260	char *pszVar = RTStrDup(papszEnv[iVar]);
261	if (RT_UNLIKELY(!pszVar))
262	{
263	RTENV_UNLOCK(pIntEnvToClone);
264
265	pIntEnv->cVars = iVar;
266	RTEnvDestroy(pIntEnv);
267	return rc;
268	}
269	pIntEnv->papszEnv[iVar] = pszVar;
270	}
271	}
272
273	/* done */
274	*pEnv = pIntEnv;
275	}
276
277	if (pIntEnvToClone)
278	RTENV_UNLOCK(pIntEnvToClone);
279	return rc;
280	}
281	RT_EXPORT_SYMBOL(RTEnvClone);
282
283
284	RTDECL(int) RTEnvPutEx(RTENV Env, const char *pszVarEqualValue)
285	{
286	int rc;
287	AssertPtrReturn(pszVarEqualValue, VERR_INVALID_POINTER);
288	const char *pszEq = strchr(pszVarEqualValue, '=');
289	if (!pszEq)
290	rc = RTEnvUnsetEx(Env, pszVarEqualValue);
291	else
292	{
293	/*
294	* Make a copy of the variable name so we can terminate it
295	* properly and then pass the request on to RTEnvSetEx.
296	*/
297	const char *pszValue = pszEq + 1;
298
299	size_t cchVar = pszEq - pszVarEqualValue;
300	Assert(cchVar < 1024);
301	char pszVar = (char )alloca(cchVar + 1);
302	memcpy(pszVar, pszVarEqualValue, cchVar);
303	pszVar[cchVar] = '\0';
304
305	rc = RTEnvSetEx(Env, pszVar, pszValue);
306	}
307	return rc;
308	}
309	RT_EXPORT_SYMBOL(RTEnvPutEx);
310
311
312	RTDECL(int) RTEnvSetEx(RTENV Env, const char pszVar, const char pszValue)
313	{
314	AssertPtrReturn(pszVar, VERR_INVALID_POINTER);
315	AssertReturn(*pszVar, VERR_INVALID_PARAMETER);
316	AssertPtrReturn(pszValue, VERR_INVALID_POINTER);
317
318	int rc;
319	if (Env == RTENV_DEFAULT)
320	{
321	/*
322	* Since RTEnvPut isn't UTF-8 clean and actually expects the strings
323	* to be in the current code page (codeset), we'll do the necessary
324	* conversions here.
325	*/
326	char *pszVarOtherCP;
327	rc = RTStrUtf8ToCurrentCP(&pszVarOtherCP, pszVar);
328	if (RT_SUCCESS(rc))
329	{
330	char *pszValueOtherCP;
331	rc = RTStrUtf8ToCurrentCP(&pszValueOtherCP, pszValue);
332	if (RT_SUCCESS(rc))
333	{
334	rc = RTEnvSet(pszVarOtherCP, pszValueOtherCP);
335	RTStrFree(pszValueOtherCP);
336	}
337	RTStrFree(pszVarOtherCP);
338	}
339	}
340	else
341	{
342	PRTENVINTERNAL pIntEnv = Env;
343	AssertPtrReturn(pIntEnv, VERR_INVALID_HANDLE);
344	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, VERR_INVALID_HANDLE);
345
346	/*
347	* Create the variable string.
348	*/
349	const size_t cchVar = strlen(pszVar);
350	const size_t cchValue = strlen(pszValue);
351	char pszEntry = (char )RTMemAlloc(cchVar + cchValue + 2);
352	if (pszEntry)
353	{
354	memcpy(pszEntry, pszVar, cchVar);
355	pszEntry[cchVar] = '=';
356	memcpy(&pszEntry[cchVar + 1], pszValue, cchValue + 1);
357
358	RTENV_LOCK(pIntEnv);
359
360	/*
361	* Find the location of the variable. (iVar = cVars if new)
362	*/
363	rc = VINF_SUCCESS;
364	size_t iVar;
365	for (iVar = 0; iVar < pIntEnv->cVars; iVar++)
366	if ( !strncmp(pIntEnv->papszEnv[iVar], pszVar, cchVar)
367	&& pIntEnv->papszEnv[iVar][cchVar] == '=')
368	break;
369	if (iVar < pIntEnv->cVars)
370	{
371	/*
372	* Replace the current entry. Simple.
373	*/
374	RTMemFree(pIntEnv->papszEnv[iVar]);
375	pIntEnv->papszEnv[iVar] = pszEntry;
376	}
377	else
378	{
379	/*
380	* Adding a new variable. Resize the array if required
381	* and then insert the new value at the end.
382	*/
383	if (pIntEnv->cVars + 2 > pIntEnv->cAllocated)
384	{
385	void pvNew = RTMemRealloc(pIntEnv->papszEnv, sizeof(char ) * (pIntEnv->cAllocated + RTENV_GROW_SIZE));
386	if (!pvNew)
387	rc = VERR_NO_MEMORY;
388	else
389	{
390	pIntEnv->papszEnv = (char **)pvNew;
391	pIntEnv->cAllocated += RTENV_GROW_SIZE;
392	for (size_t iNewVar = pIntEnv->cVars; iNewVar < pIntEnv->cAllocated; iNewVar++)
393	pIntEnv->papszEnv[iNewVar] = NULL;
394	}
395	}
396	if (RT_SUCCESS(rc))
397	{
398	pIntEnv->papszEnv[iVar] = pszEntry;
399	pIntEnv->papszEnv[iVar + 1] = NULL; /* this isn't really necessary, but doesn't hurt. */
400	pIntEnv->cVars++;
401	Assert(pIntEnv->cVars == iVar + 1);
402	}
403	}
404
405	RTENV_UNLOCK(pIntEnv);
406
407	if (RT_FAILURE(rc))
408	RTMemFree(pszEntry);
409	}
410	else
411	rc = VERR_NO_MEMORY;
412	}
413	return rc;
414	}
415	RT_EXPORT_SYMBOL(RTEnvSetEx);
416
417
418	RTDECL(int) RTEnvUnsetEx(RTENV Env, const char *pszVar)
419	{
420	AssertPtrReturn(pszVar, VERR_INVALID_POINTER);
421	AssertReturn(*pszVar, VERR_INVALID_PARAMETER);
422
423	int rc;
424	if (Env == RTENV_DEFAULT)
425	{
426	/*
427	* Since RTEnvUnset isn't UTF-8 clean and actually expects the strings
428	* to be in the current code page (codeset), we'll do the necessary
429	* conversions here.
430	*/
431	char *pszVarOtherCP;
432	rc = RTStrUtf8ToCurrentCP(&pszVarOtherCP, pszVar);
433	if (RT_SUCCESS(rc))
434	{
435	rc = RTEnvUnset(pszVarOtherCP);
436	RTStrFree(pszVarOtherCP);
437	}
438	}
439	else
440	{
441	PRTENVINTERNAL pIntEnv = Env;
442	AssertPtrReturn(pIntEnv, VERR_INVALID_HANDLE);
443	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, VERR_INVALID_HANDLE);
444
445	RTENV_LOCK(pIntEnv);
446
447	/*
448	* Remove all variable by the given name.
449	*/
450	rc = VINF_ENV_VAR_NOT_FOUND;
451	const size_t cchVar = strlen(pszVar);
452	size_t iVar;
453	for (iVar = 0; iVar < pIntEnv->cVars; iVar++)
454	if ( !strncmp(pIntEnv->papszEnv[iVar], pszVar, cchVar)
455	&& pIntEnv->papszEnv[iVar][cchVar] == '=')
456	{
457	RTMemFree(pIntEnv->papszEnv[iVar]);
458	pIntEnv->cVars--;
459	if (pIntEnv->cVars > 0)
460	pIntEnv->papszEnv[iVar] = pIntEnv->papszEnv[pIntEnv->cVars];
461	pIntEnv->papszEnv[pIntEnv->cVars] = NULL;
462	rc = VINF_SUCCESS;
463	/* no break, there could be more. */
464	}
465
466	RTENV_UNLOCK(pIntEnv);
467	}
468	return rc;
469
470	}
471	RT_EXPORT_SYMBOL(RTEnvUnsetEx);
472
473
474	RTDECL(int) RTEnvGetEx(RTENV Env, const char pszVar, char pszValue, size_t cbValue, size_t *pcchActual)
475	{
476	AssertPtrReturn(pszVar, VERR_INVALID_POINTER);
477	AssertPtrNullReturn(pszValue, VERR_INVALID_POINTER);
478	AssertPtrNullReturn(pcchActual, VERR_INVALID_POINTER);
479	AssertReturn(pcchActual \|\| (pszValue && cbValue), VERR_INVALID_PARAMETER);
480
481	if (pcchActual)
482	*pcchActual = 0;
483	int rc;
484	if (Env == RTENV_DEFAULT)
485	{
486	/*
487	* Since RTEnvGet isn't UTF-8 clean and actually expects the strings
488	* to be in the current code page (codeset), we'll do the necessary
489	* conversions here.
490	*/
491	char *pszVarOtherCP;
492	rc = RTStrUtf8ToCurrentCP(&pszVarOtherCP, pszVar);
493	if (RT_SUCCESS(rc))
494	{
495	const char *pszValueOtherCP = RTEnvGet(pszVarOtherCP);
496	RTStrFree(pszVarOtherCP);
497	if (pszValueOtherCP)
498	{
499	char *pszValueUtf8;
500	rc = RTStrCurrentCPToUtf8(&pszValueUtf8, pszValueOtherCP);
501	if (RT_SUCCESS(rc))
502	{
503	rc = VINF_SUCCESS;
504	size_t cch = strlen(pszValueUtf8);
505	if (pcchActual)
506	*pcchActual = cch;
507	if (pszValue && cbValue)
508	{
509	if (cch < cbValue)
510	memcpy(pszValue, pszValueUtf8, cch + 1);
511	else
512	rc = VERR_BUFFER_OVERFLOW;
513	}
514	}
515	}
516	else
517	rc = VERR_ENV_VAR_NOT_FOUND;
518	}
519	}
520	else
521	{
522	PRTENVINTERNAL pIntEnv = Env;
523	AssertPtrReturn(pIntEnv, VERR_INVALID_HANDLE);
524	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, VERR_INVALID_HANDLE);
525
526	RTENV_LOCK(pIntEnv);
527
528	/*
529	* Locate the first variable and return it to the caller.
530	*/
531	rc = VERR_ENV_VAR_NOT_FOUND;
532	const size_t cchVar = strlen(pszVar);
533	size_t iVar;
534	for (iVar = 0; iVar < pIntEnv->cVars; iVar++)
535	if ( !strncmp(pIntEnv->papszEnv[iVar], pszVar, cchVar)
536	&& pIntEnv->papszEnv[iVar][cchVar] == '=')
537	{
538	rc = VINF_SUCCESS;
539	const char *pszValueOrg = pIntEnv->papszEnv[iVar] + cchVar + 1;
540	size_t cch = strlen(pszValueOrg);
541	if (pcchActual)
542	*pcchActual = cch;
543	if (pszValue && cbValue)
544	{
545	if (cch < cbValue)
546	memcpy(pszValue, pszValueOrg, cch + 1);
547	else
548	rc = VERR_BUFFER_OVERFLOW;
549	}
550	break;
551	}
552
553	RTENV_UNLOCK(pIntEnv);
554	}
555	return rc;
556
557	}
558	RT_EXPORT_SYMBOL(RTEnvGetEx);
559
560
561	RTDECL(bool) RTEnvExistEx(RTENV Env, const char *pszVar)
562	{
563	AssertPtrReturn(pszVar, false);
564
565	bool fExist = false;
566	if (Env == RTENV_DEFAULT)
567	{
568	/*
569	* Since RTEnvExist isn't UTF-8 clean and actually expects the strings
570	* to be in the current code page (codeset), we'll do the necessary
571	* conversions here.
572	*/
573	char *pszVarOtherCP;
574	int rc = RTStrUtf8ToCurrentCP(&pszVarOtherCP, pszVar);
575	if (RT_SUCCESS(rc))
576	{
577	fExist = RTEnvExist(pszVarOtherCP);
578	RTStrFree(pszVarOtherCP);
579	}
580	}
581	else
582	{
583	PRTENVINTERNAL pIntEnv = Env;
584	AssertPtrReturn(pIntEnv, false);
585	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, false);
586
587	RTENV_LOCK(pIntEnv);
588
589	/*
590	* Simple search.
591	*/
592	const size_t cchVar = strlen(pszVar);
593	for (size_t iVar = 0; iVar < pIntEnv->cVars; iVar++)
594	if ( !strncmp(pIntEnv->papszEnv[iVar], pszVar, cchVar)
595	&& pIntEnv->papszEnv[iVar][cchVar] == '=')
596	{
597	fExist = true;
598	break;
599	}
600
601	RTENV_UNLOCK(pIntEnv);
602	}
603	return fExist;
604	}
605	RT_EXPORT_SYMBOL(RTEnvExistEx);
606
607
608	RTDECL(char const * const *) RTEnvGetExecEnvP(RTENV Env)
609	{
610	const char * const *papszRet;
611	if (Env == RTENV_DEFAULT)
612	{
613	papszRet = rtEnvDefault();
614	if (!papszRet)
615	{
616	static const char * const s_papszDummy[2] = { NULL, NULL };
617	papszRet = &s_papszDummy[0];
618	}
619	}
620	else
621	{
622	PRTENVINTERNAL pIntEnv = Env;
623	AssertPtrReturn(pIntEnv, NULL);
624	AssertReturn(pIntEnv->u32Magic == RTENV_MAGIC, NULL);
625
626	RTENV_LOCK(pIntEnv);
627
628	/*
629	* Free any old envp.
630	*/
631	if (pIntEnv->papszEnvOtherCP)
632	{
633	for (size_t iVar = 0; pIntEnv->papszEnvOtherCP[iVar]; iVar++)
634	{
635	RTStrFree(pIntEnv->papszEnvOtherCP[iVar]);
636	pIntEnv->papszEnvOtherCP[iVar] = NULL;
637	}
638	RTMemFree(pIntEnv->papszEnvOtherCP);
639	pIntEnv->papszEnvOtherCP = NULL;
640	}
641
642	/*
643	* Construct a new envp with the strings in the process code set.
644	*/
645	char **papsz;
646	papszRet = pIntEnv->papszEnvOtherCP = papsz = (char *)RTMemAlloc(sizeof(char ) * (pIntEnv->cVars + 1));
647	if (papsz)
648	{
649	papsz[pIntEnv->cVars] = NULL;
650	for (size_t iVar = 0; iVar < pIntEnv->cVars; iVar++)
651	{
652	int rc = RTStrUtf8ToCurrentCP(&papsz[iVar], pIntEnv->papszEnv[iVar]);
653	if (RT_FAILURE(rc))
654	{
655	/* RTEnvDestroy / we cleans up later. */
656	papsz[iVar] = NULL;
657	AssertRC(rc);
658	papszRet = NULL;
659	break;
660	}
661	}
662	}
663
664	RTENV_UNLOCK(pIntEnv);
665	}
666	return papszRet;
667	}
668	RT_EXPORT_SYMBOL(RTEnvGetExecEnvP);

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source: vbox/trunk/src/VBox/Runtime/generic/env-generic.cpp@ 24273

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