From 630f0a381e051209c5e6df716522cafe97a804f2 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 3 Oct 2020 19:38:50 +0200
Subject: Refuse to set hints to PUGL_DONT_CARE when it doesn't make sense

---
 pugl/detail/implementation.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'pugl')

diff --git a/pugl/detail/implementation.c b/pugl/detail/implementation.c
index 055e917..dbb0c5f 100644
--- a/pugl/detail/implementation.c
+++ b/pugl/detail/implementation.c
@@ -241,6 +241,19 @@ puglGetWorld(PuglView* view)
 PuglStatus
 puglSetViewHint(PuglView* view, PuglViewHint hint, int value)
 {
+	if (value == PUGL_DONT_CARE) {
+		switch (hint) {
+		case PUGL_USE_COMPAT_PROFILE:
+		case PUGL_USE_DEBUG_CONTEXT:
+		case PUGL_CONTEXT_VERSION_MAJOR:
+		case PUGL_CONTEXT_VERSION_MINOR:
+		case PUGL_SWAP_INTERVAL:
+			return PUGL_BAD_PARAMETER;
+		default:
+			break;
+		}
+	}
+
 	if (hint < PUGL_NUM_VIEW_HINTS) {
 		view->hints[hint] = value;
 		return PUGL_SUCCESS;
-- 
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