From d73ed8261b68d51c185df199f943658a13122171 Mon Sep 17 00:00:00 2001
From: sECuRE <sECuRE@af93e077-1a23-4f1e-9cbe-9382a9d578f5>
Date: Sun, 30 Nov 2008 11:15:08 +0000
Subject: [PATCH] Check if read < 0

git-svn-id: https://shell.noname-ev.de/svn/kasse/c128@89 af93e077-1a23-4f1e-9cbe-9382a9d578f5
---
 src/kasse.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/kasse.c b/src/kasse.c
index c82faa9..eb1cf18 100644
--- a/src/kasse.c
+++ b/src/kasse.c
@@ -59,7 +59,7 @@ static void log_file(const char *s) {
 	   lines, we don't need more than 100 * 64 bytes. */
 	char *buffer = malloc(sizeof(char) * 64 * 100);
 	char filename[8];
-	char read = 0;
+	int read = 0;
 	unsigned int c;
 	if (buffer == NULL) {
 		cprintf("No memory available\n");
@@ -82,7 +82,10 @@ static void log_file(const char *s) {
 		c128_perror(c, "cbm_open(log)");
 		sane_exit();
 	}
-	/* TODO: read  < 0? */
+	if (read < 0) {
+		cprintf("Could not read existing logfile (read returned %d)\n", read);
+		sane_exit();
+	}
 	strcpy(buffer+read, s);
 	c = cbm_write((BYTE)8, buffer, read+strlen(s));
 	if (c != (read+strlen(s))) {
-- 
2.39.5