From 5b695f393e6777aad4618d55f2b507e57bb4dc4b Mon Sep 17 00:00:00 2001
From: Doug Zongker <dougz@android.com>
Date: Wed, 24 Feb 2010 15:03:47 -0800
Subject: [PATCH] make StringValue wrapper okay to call on NULL

The docs say "don't do this", but it's trivial to make safe.  Make
StringValue(NULL) return NULL instead of crashing.

Change-Id: I2221bcb4c98d8adb4e25c764d7bdcfa787822bcf
---
 edify/expr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/edify/expr.c b/edify/expr.c
index 7a5b2fb..3600075 100644
--- a/edify/expr.c
+++ b/edify/expr.c
@@ -50,6 +50,7 @@ Value* EvaluateValue(State* state, Expr* expr) {
 }
 
 Value* StringValue(char* str) {
+    if (str == NULL) return NULL;
     Value* v = malloc(sizeof(Value));
     v->type = VAL_STRING;
     v->size = strlen(str);