From 52d801bd1975f4337762003d2f68bc16e66c202f Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@glfw.org>
Date: Tue, 19 Jul 2016 00:14:37 +0200
Subject: [PATCH] Cleanup

---
 src/context.c | 96 +++++++++++++++++++++------------------------------
 1 file changed, 40 insertions(+), 56 deletions(-)

diff --git a/src/context.c b/src/context.c
index a105aaad..739a14bc 100644
--- a/src/context.c
+++ b/src/context.c
@@ -34,56 +34,6 @@
 #include <stdio.h>
 
 
-// Parses the client API version string and extracts the version number
-//
-static GLFWbool parseVersionString(int* api, int* major, int* minor, int* rev)
-{
-    int i;
-    _GLFWwindow* window;
-    const char* version;
-    const char* prefixes[] =
-    {
-        "OpenGL ES-CM ",
-        "OpenGL ES-CL ",
-        "OpenGL ES ",
-        NULL
-    };
-
-    *api = GLFW_OPENGL_API;
-
-    window = _glfwPlatformGetCurrentContext();
-
-    version = (const char*) window->context.GetString(GL_VERSION);
-    if (!version)
-    {
-        _glfwInputError(GLFW_PLATFORM_ERROR,
-                        "Client API version string retrieval is broken");
-        return GLFW_FALSE;
-    }
-
-    for (i = 0;  prefixes[i];  i++)
-    {
-        const size_t length = strlen(prefixes[i]);
-
-        if (strncmp(version, prefixes[i], length) == 0)
-        {
-            version += length;
-            *api = GLFW_OPENGL_ES_API;
-            break;
-        }
-    }
-
-    if (!sscanf(version, "%d.%d.%d", major, minor, rev))
-    {
-        _glfwInputError(GLFW_PLATFORM_ERROR,
-                        "No version found in client API version string");
-        return GLFW_FALSE;
-    }
-
-    return GLFW_TRUE;
-}
-
-
 //////////////////////////////////////////////////////////////////////////
 //////                       GLFW internal API                      //////
 //////////////////////////////////////////////////////////////////////////
@@ -369,7 +319,21 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
 
 GLFWbool _glfwRefreshContextAttribs(const _GLFWctxconfig* ctxconfig)
 {
-    _GLFWwindow* window = _glfwPlatformGetCurrentContext();
+    int i;
+    _GLFWwindow* window;
+    const char* version;
+    const char* prefixes[] =
+    {
+        "OpenGL ES-CM ",
+        "OpenGL ES-CL ",
+        "OpenGL ES ",
+        NULL
+    };
+
+    window = _glfwPlatformGetCurrentContext();
+
+    window->context.source = ctxconfig->source;
+    window->context.client = GLFW_OPENGL_API;
 
     window->context.GetIntegerv = (PFNGLGETINTEGERVPROC)
         window->context.getProcAddress("glGetIntegerv");
@@ -381,15 +345,35 @@ GLFWbool _glfwRefreshContextAttribs(const _GLFWctxconfig* ctxconfig)
         return GLFW_FALSE;
     }
 
-    if (!parseVersionString(&window->context.client,
-                            &window->context.major,
-                            &window->context.minor,
-                            &window->context.revision))
+    version = (const char*) window->context.GetString(GL_VERSION);
+    if (!version)
     {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Client API version string retrieval is broken");
         return GLFW_FALSE;
     }
 
-    window->context.source = ctxconfig->source;
+    for (i = 0;  prefixes[i];  i++)
+    {
+        const size_t length = strlen(prefixes[i]);
+
+        if (strncmp(version, prefixes[i], length) == 0)
+        {
+            version += length;
+            window->context.client = GLFW_OPENGL_ES_API;
+            break;
+        }
+    }
+
+    if (!sscanf(version, "%d.%d.%d",
+                &window->context.major,
+                &window->context.minor,
+                &window->context.revision))
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "No version found in client API version string");
+        return GLFW_FALSE;
+    }
 
     if (window->context.major < ctxconfig->major ||
         (window->context.major == ctxconfig->major &&