1 files changed, 4 insertions, 3 deletions
diff --git a/src/io.c b/src/io.c
index 9b664d4..4e20505 100644
--- a/src/io.c
+++ b/src/io.c
@@ -5,12 +5,12 @@ static int headers_read = 0;
 static int convert_eols = 0;
 
 static void die_arc(void) {
-	fprintf(stderr, "%s: this is an ARC file, not ALF\n", self);
+	fprintf(stderr, "%s: fatal: this is an ARC file, not ALF\n", self);
 	exit(1);
 }
 
 static void die_not_alf(void) {
-	fprintf(stderr, "%s: not an ALF file\n", self);
+	fprintf(stderr, "%s: fatal: not an ALF file\n", self);
 	exit(1);
 }
 
@@ -143,7 +143,8 @@ void writeblock(void) {
 
 	bytes = fwrite(buf, 1, len, out_file);
 	if(bytes < 0) {
-		perror(self); /* TODO: out_filename */
+		fprintf(stderr, "%s: fatal: ", self);
+		perror("write failed"); /* TODO: out_filename */
 		exit(1);
 	}
 	bytes_written += bytes;