[waffle] [RFC 2/3] wflinfo.c: split version, renderer, and vendor checks

[baker.dylan.c at gmail.com]

From: Dylan Baker <baker.dylan.c at gmail.com>

Pull these out into helper functions, this change will be used in a
following patch to add a json printer.

Signed-off-by: Dylan Baker <dylanx.c.baker at intel.com>
---
 src/utils/wflinfo.c | 50 ++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 36 insertions(+), 14 deletions(-)

diff --git a/src/utils/wflinfo.c b/src/utils/wflinfo.c
index 905fd90..b843757 100644
--- a/src/utils/wflinfo.c
+++ b/src/utils/wflinfo.c
@@ -458,6 +458,39 @@ parse_version(const char *version)
     return (major * 10) + minor;
 }
 
+static const char *
+get_vendor(void)
+{
+    const char *vendor = (const char *) glGetString(GL_VENDOR);
+    if (glGetError() != GL_NO_ERROR || vendor == NULL) {
+        vendor = "WFLINFO_GL_ERROR";
+    }
+
+    return vendor;
+}
+
+static const char *
+get_renderer(void)
+{
+    const char *renderer = (const char *) glGetString(GL_RENDERER);
+    if (glGetError() != GL_NO_ERROR || renderer == NULL) {
+        renderer = "WFLINFO_GL_ERROR";
+    }
+
+    return renderer;
+}
+
+static const char *
+get_version(void)
+{
+    const char *version_str = (const char *) glGetString(GL_VERSION);
+    if (glGetError() != GL_NO_ERROR || version_str == NULL) {
+        version_str = "WFLINFO_GL_ERROR";
+    }
+
+    return version_str;
+}
+
 static void
 print_extensions(bool use_stringi)
 {
@@ -539,20 +572,9 @@ print_wflinfo(const struct options *opts)
         /* Clear all errors */
     }
 
-    const char *vendor = (const char *) glGetString(GL_VENDOR);
-    if (glGetError() != GL_NO_ERROR || vendor == NULL) {
-        vendor = "WFLINFO_GL_ERROR";
-    }
-
-    const char *renderer = (const char *) glGetString(GL_RENDERER);
-    if (glGetError() != GL_NO_ERROR || renderer == NULL) {
-        renderer = "WFLINFO_GL_ERROR";
-    }
-
-    const char *version_str = (const char *) glGetString(GL_VERSION);
-    if (glGetError() != GL_NO_ERROR || version_str == NULL) {
-        version_str = "WFLINFO_GL_ERROR";
-    }
+    const char * vendor =  get_vendor();
+    const char * renderer = get_renderer();
+    const char * version_str = get_version();
 
     const char *platform = enum_map_to_str(platform_map, opts->platform);
     assert(platform != NULL);
-- 
2.6.4