From c2288bd3cb1343d881634e674bf31f41430567cf Mon Sep 17 00:00:00 2001
From: Caolán McNamara <caolanm@redhat.com>
Date: Mon, 18 Oct 2010 15:45:17 +0100
Subject: #i112656# add osl_setEnvironment and osl_clearEnvironment

---
 sal/osl/unx/process_impl.cxx | 107 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 106 insertions(+), 1 deletion(-)

(limited to 'sal/osl/unx/process_impl.cxx')

diff --git a/sal/osl/unx/process_impl.cxx b/sal/osl/unx/process_impl.cxx
index 3855d85f63f9..b9da304c895f 100644
--- a/sal/osl/unx/process_impl.cxx
+++ b/sal/osl/unx/process_impl.cxx
@@ -51,10 +51,11 @@
 #define INCLUDED_STRING_H
 #endif
 #include "osl/diagnose.h"
-#include <osl/file.h>
+#include "osl/file.h"
 #include "osl/module.h"
 #include "osl/thread.h"
 #include "rtl/ustring.hxx"
+#include "rtl/strbuf.h"
 
 #include "file_path_helper.h"
 
@@ -320,6 +321,110 @@ oslProcessError SAL_CALL osl_getEnvironment(rtl_uString* pustrEnvVar, rtl_uStrin
     return (result);
 }
 
+/***************************************
+ osl_setEnvironment().
+ **************************************/
+oslProcessError SAL_CALL osl_setEnvironment(rtl_uString* pustrEnvVar, rtl_uString* pustrValue)
+{
+    oslProcessError  result   = osl_Process_E_Unknown;
+    rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+    rtl_String* pstr_env_var  = 0;
+    rtl_String* pstr_val  = 0;
+
+    OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
+    OSL_PRECOND(pustrValue, "osl_setEnvironment(): Invalid parameter");
+
+    rtl_uString2String(
+        &pstr_env_var,
+        rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
+        OUSTRING_TO_OSTRING_CVTFLAGS);
+
+    rtl_uString2String(
+        &pstr_val,
+        rtl_uString_getStr(pustrValue), rtl_uString_getLength(pustrValue), encoding,
+        OUSTRING_TO_OSTRING_CVTFLAGS);
+
+    if (pstr_env_var != 0 && pstr_val != 0)
+    {
+#if defined (SOLARIS)
+        rtl_String * pBuffer = NULL;
+
+        sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
+            rtl_string_getLength(pstr_env_var) + rtl_string_getLength(pstr_val) + 1,
+            pstr_env_var );
+        rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
+        rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length,
+            rtl_string_getStr(pstr_val), rtl_string_getLength(pstr_val) );
+
+        rtl_string_acquire(pBuffer); // argument to putenv must leak on success
+
+        if (putenv(rtl_string_getStr(pBuffer)) == 0)
+            result = osl_Process_E_None;
+        else
+            rtl_string_release(pBuffer);
+#else
+        if (setenv(rtl_string_getStr(pstr_env_var), rtl_string_getStr(pstr_val), 1) == 0)
+            result = osl_Process_E_None;
+#endif
+    }
+
+    if (pstr_val)
+        rtl_string_release(pstr_val);
+
+    if (pstr_env_var != 0)
+        rtl_string_release(pstr_env_var);
+
+    return (result);
+}
+
+/***************************************
+ osl_clearEnvironment().
+ **************************************/
+oslProcessError SAL_CALL osl_clearEnvironment(rtl_uString* pustrEnvVar)
+{
+    oslProcessError  result   = osl_Process_E_Unknown;
+    rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+    rtl_String* pstr_env_var  = 0;
+
+    OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
+
+    rtl_uString2String(
+        &pstr_env_var,
+        rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
+        OUSTRING_TO_OSTRING_CVTFLAGS);
+
+    if (pstr_env_var)
+    {
+#if defined (SOLARIS)
+        rtl_String * pBuffer = NULL;
+
+        sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
+            rtl_string_getLength(pstr_env_var) + 1, pstr_env_var );
+        rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
+
+        rtl_string_acquire(pBuffer); // argument to putenv must leak on success
+
+        if (putenv(rtl_string_getStr(pBuffer)) == 0)
+            result = osl_Process_E_None;
+        else
+            rtl_string_release(pBuffer);
+#elif (defined(MACOSX) || defined(NETBSD) || defined(FREEBSD))
+        //MacOSX baseline is 10.4, which has an old-school void return
+        //for unsetenv.
+        //See: http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/10.4/man3/unsetenv.3.html?useVersion=10.4
+        unsetenv(rtl_string_getStr(pstr_env_var));
+        result = osl_Process_E_None;
+#else
+        if (unsetenv(rtl_string_getStr(pstr_env_var)) == 0)
+            result = osl_Process_E_None;
+#endif
+        rtl_string_release(pstr_env_var);
+    }
+
+    return (result);
+}
+
+
 /***************************************
  osl_getProcessWorkingDir().
  **************************************/
-- 
cgit