diff options
Diffstat (limited to 'sys/dev/microcode/typhoon/build.c')
| -rw-r--r-- | sys/dev/microcode/typhoon/build.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/sys/dev/microcode/typhoon/build.c b/sys/dev/microcode/typhoon/build.c index 6faba4609bf..0e1f83b17b3 100644 --- a/sys/dev/microcode/typhoon/build.c +++ b/sys/dev/microcode/typhoon/build.c @@ -1,4 +1,4 @@ -/* $OpenBSD: build.c,v 1.1 2004/12/14 01:50:42 deraadt Exp $ */ +/* $OpenBSD: build.c,v 1.2 2005/05/17 18:48:52 jason Exp $ */ /* * Copyright (c) 2004 Theo de Raadt <deraadt@openbsd.org> @@ -17,22 +17,41 @@ */ #include <sys/types.h> #include <fcntl.h> +#include <unistd.h> +#include <err.h> +#include <stdio.h> #include "3c990img.h" #define FILENAME "3c990" +void +fullwrite(int fd, const void *buf, size_t nbytes) +{ + ssize_t r; + + r = write(fd, buf, nbytes); + if (r == -1) + err(1, "write"); + if (r != nbytes) + errx(1, "write: short write"); +} + int main(int argc, char *argv[]) { - int i; int fd; + ssize_t rlen; printf("creating %s length %d\n", FILENAME, sizeof tc990image); fd = open(FILENAME, O_WRONLY|O_CREAT|O_TRUNC, 0644); if (fd == -1) err(1, "%s", FILENAME); - write(fd, tc990image, sizeof tc990image); + rlen = write(fd, tc990image, sizeof tc990image); + if (rlen == -1) + err(1, "%s", FILENAME); + if (rlen != sizeof tc990image) + errx(1, "%s: short write", FILENAME); close(fd); return 0; } |