From 0a679d794a89ae205c8580ab9e8369af78b192ad Mon Sep 17 00:00:00 2001
From: Peter0x44 <peter0x44@snopyta.org>
Date: Thu, 20 Oct 2022 15:48:35 +0100
Subject: [PATCH] parser: Fail gracefully if a nonexistent file is passed on
 the command line

Before, if a nonexistent file was passed to LoadFileText(), it would
return NULL, and the parser would happily dereference it.
---
 parser/raylib_parser.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/parser/raylib_parser.c b/parser/raylib_parser.c
index 49b43f768..5ca186d71 100644
--- a/parser/raylib_parser.c
+++ b/parser/raylib_parser.c
@@ -207,6 +207,12 @@ int main(int argc, char* argv[])
     int length = 0;
     char *buffer = LoadFileText(inFileName, &length);
 
+    if (buffer == NULL)
+    {
+	    printf("Could not read input file: %s\n", inFileName);
+	    return 1;
+    }
+
     // Preprocess buffer to get separate lines
     // NOTE: GetTextLines() also removes leading spaces/tabs
     int linesCount = 0;