From: Vinson Lee <vlee@vmware.com>
Date: Tue, 2 Mar 2010 09:10:29 +0000 (-0800)
Subject: glsl: Add assert to check input to strcmp.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8462fe2bbf2aac87e6eabddc805b3d3ec63c6376;p=mesa.git

glsl: Add assert to check input to strcmp.
---

diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index 5533cc5b655..f0659a8d8bb 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -142,6 +142,7 @@ lookup_statevar(const char *var, GLint index1, GLint index2, const char *field,
       tokens[1] = index1;
    }
    else if (strcmp(var, "gl_Point") == 0) {
+      assert(field);
       if (strcmp(field, "size") == 0) {
          tokens[0] = STATE_POINT_SIZE;
          *swizzleOut = SWIZZLE_XXXX;