--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bootmatch/comp_readbin.c	Sat Jun 10 02:55:29 2023 +0000
@@ -0,0 +1,38 @@
+/*
+ * Bootmatch compiler: here we read the binary file.
+ */
+
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "comp_defs.h"
+
+extern u_char boot_image[BOOT_BLOCK_SIZE];
+
+void
+read_bin_file(filename)
+	char *filename;
+{
+	int fd;
+	struct stat st;
+
+	fd = open(filename, O_RDONLY);
+	if (fd < 0) {
+		perror(filename);
+		exit(1);
+	}
+	fstat(fd, &st);
+	if (!S_ISREG(st.st_mode)) {
+		fprintf(stderr, "error: %s is not a regular file\n", filename);
+		exit(1);
+	}
+	if (st.st_size != BOOT_BLOCK_SIZE) {
+		fprintf(stderr, "error: %s has wrong length\n", filename);
+		exit(1);
+	}
+	read(fd, boot_image, BOOT_BLOCK_SIZE);
+	close(fd);
+}