Changeset 936 in vbox for trunk/src/VBox/Runtime/r3/posix

Timestamp:

Feb 15, 2007 8:58:51 PM (18 years ago)

Author:

vboxsync

Message:

RTEnv (incomplete).

File:

• trunk/src/VBox/Runtime/r3/posix/env-posix.cpp (copied) (copied from trunk/src/VBox/Runtime/generic/RTAssertDoBreakpoint-generic.cpp ) (2 diffs)

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

@@ -1 +1 @@
 /* $Id$ */
 /** @file
- * InnoTek Portable Runtime - Assertions, generic RTAssertDoBreakpoint.
+ * InnoTek Portable Runtime - Environment, Posix.
  */
 
@@ -24 +24 @@
 *   Header Files                                                               *
 *******************************************************************************/
-#include <iprt/assert.h>
+#include <iprt/env.h>
+#include <iprt/string.h>
+
+#include <stdlib.h>
+#include <errno.h>
 
 
 /**
- * Overridable function that decides whether assertions executes the breakpoint or not. 
+ * Gets an environment variable (getenv).
  * 
- * The generic implementation will return true.
+ * The caller is responsible for ensuring that nobody changes the environment 
+ * while it's using the returned string pointer!
  * 
- * @returns true if the breakpoint should be hit, false if it should be ignored.
- * @remark  The RTDECL() makes this a bit difficult to override on windows. Sorry.
+ * @returns Pointer to read only string on success, NULL if the variable wasn't found.
+ * 
+ * @param   pszVar      The environment variable name.
  */
-RTDECL(bool)    RTAssertDoBreakpoint(void)
+RTDECL(const char *) RTEnvGet(const char *pszVar)
 {
-    return true;
+    return getenv(pszVar);
 }
 
+
+/**
+ * Puts an variable=value string into the environment (putenv).
+ * 
+ * @returns IPRT status code. Typical error is VERR_NO_MEMORY.
+ * 
+ * @param   pszVarEqualValue    The variable '=' value string. If the value and '=' is 
+ *                              omitted, the variable is removed from the environment.
+ */
+RTDECL(int) RTEnvPut(const char *pszVarEqualValue)
+{
+    /** @todo putenv is a memory leak. deal with this on a per system basis. */
+    if (!putenv((char *)pszVarEqualValue))
+        return 0;
+    return RTErrConvertFromErrno(errno);
+}
+