From 9c45a6504fbc828ed37778674b9ccabae27ae543 Mon Sep 17 00:00:00 2001
From: Jack Jansen <jack.jansen@cwi.nl>
Date: Mon, 14 Aug 1995 12:21:50 +0000
Subject: Added missing initializer and extra error check.

---
 Mac/mwerks/mwfopenrf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Mac/mwerks/mwfopenrf.c b/Mac/mwerks/mwfopenrf.c
index fa2a39b..cd8615a 100644
--- a/Mac/mwerks/mwfopenrf.c
+++ b/Mac/mwerks/mwfopenrf.c
@@ -18,7 +18,7 @@ fopenRF(name, mode)
 	int fd;
 	FILE *fp;
 	int modebits = -1;
-	int extramodebits;
+	int extramodebits = 0;
 	char *modep;
 	
 	for(modep=mode; *modep; modep++) {
@@ -39,6 +39,10 @@ fopenRF(name, mode)
 				  return NULL;
 		}
 	}
+	if ( modebits == -1 ) {
+		errno = EINVAL;
+		return NULL;
+	}
 	fd = open(name, modebits|extramodebits|O_RSRC);
 	if ( fd < 0 )
 		return NULL;
-- 
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