Changeset 16508 in vbox for trunk

Timestamp:

Feb 4, 2009 11:25:49 AM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

42424

Message:

fixed RTEnvUnset for Windows hosts

File:

• trunk/src/VBox/Runtime/r3/posix/env-posix.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r3/posix/env-posix.cpp

@@ -101 +101 @@
     /* Ok, try remove it. */
 #ifdef RT_OS_WINDOWS
-    /* Windows does not have unsetenv() */
-    if (!putenv((char *)pszVar))
+    /* Windows does not have unsetenv(). Clear the environment variable according to the MSN docs. */
+    char *pszBuf;
+    int rc = RTStrAPrintf(&pszBuf, "%s=", pszVar);
+    if (RT_FAILURE(rc))
+        return rc;
+    rc = putenv(pszBuf);
+    RTStrFree(pszBuf);
+    if (!rc)
         return VINF_SUCCESS;
 #else
-    /* This is the preferred function as putenv() like used
-     * above does neither work on Solaris nor on Darwin. */
+    /* This is the preferred function as putenv() like used above does neither work on Solaris nor on Darwin. */
     if (!unsetenv((char*)pszVar))
         return VINF_SUCCESS;