From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sat, 22 Nov 2008 00:22:16 +0000 (-0700)
Subject: mesa: issue error, don't crash, when calling a prototyped, but undefined function
X-Git-Tag: 062012170305~17671^2~515
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4f05893415a2d6f29b29f4daf991ea95a1891a81;p=profile%2Fivi%2Fmesa.git

mesa: issue error, don't crash, when calling a prototyped, but undefined function

Bug #18659.
---

diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 882a653..0dacfee 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -2020,6 +2020,13 @@ _slang_gen_function_call_name(slang_assemble_ctx *A, const char *name,
                            name);
       return NULL;
    }
+   if (!fun->body) {
+      slang_info_log_error(A->log,
+                           "Function '%s' prototyped but not defined.  "
+                           "Separate compilation units not supported.",
+                           name);
+      return NULL;
+   }
 
    n = _slang_gen_function_call(A, fun, oper, dest);