From 558639086a3671472d4f4d50bd802e08af5e7d62 Mon Sep 17 00:00:00 2001
From: Linus Dierheimer <Linus@Dierheimer.de>
Date: Sat, 27 Feb 2021 14:46:31 +0100
Subject: [PATCH] error handling in resolution.c

---
 src/resolution.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/resolution.c b/src/resolution.c
index f9731fe25..0983cffb8 100644
--- a/src/resolution.c
+++ b/src/resolution.c
@@ -41,15 +41,24 @@ void ffPrintResolution(FFstate* state)
 
     void* x11 = dlopen("libX11.so", RTLD_LAZY);
     if(x11 == NULL)
+    {
+        ffPrintError(state, "Resolution", "dlopen(\"libX11.so\", RTLD_LAZY) == NULL");
         return;
+    }
 
     Display*(*ffXOpenDisplay)(const char*) = dlsym(x11, "XOpenDisplay");
     if(ffXOpenDisplay == NULL)
+    {
+        ffPrintError(state, "Resolution", "dlsym(x11, \"XOpenDisplay\") == NULL");
         return;
+    }
 
     Display* display = ffXOpenDisplay(NULL);
     if(display == NULL)
+    {
+        ffPrintError(state, "Resolution", "ffXOpenDisplay(NULL) == NULL");
         return;
+    }
 
     Screen*  screen  = DefaultScreenOfDisplay(display);