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| author |   deraadt <deraadt@openbsd.org> | 2009-08-25 21:45:26 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2009-08-25 21:45:26 +0000 |
| commit | 8dae3d1873ca0c5ac925aa1d940554fcaff5e046 (patch) | |
| tree | 6d7414838e558e9fc24e02b532fa2f9fcb45b42a /sys/dev/microcode/udl/build.c | |
| parent | if we do not use __packed, we must write the values more carefully (diff) | |
| download | wireguard-openbsd-8dae3d1873ca0c5ac925aa1d940554fcaff5e046.tar.xz wireguard-openbsd-8dae3d1873ca0c5ac925aa1d940554fcaff5e046.zip | |
add error checking
Diffstat (limited to 'sys/dev/microcode/udl/build.c')
| -rw-r--r-- | sys/dev/microcode/udl/build.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/microcode/udl/build.c b/sys/dev/microcode/udl/build.c index e9929f250fb..6e1855ccd31 100644 --- a/sys/dev/microcode/udl/build.c +++ b/sys/dev/microcode/udl/build.c @@ -1,4 +1,4 @@ -/* $OpenBSD: build.c,v 1.2 2009/08/25 21:43:24 deraadt Exp $ */ +/* $OpenBSD: build.c,v 1.3 2009/08/25 21:45:26 deraadt Exp $ */ /* * Copyright (c) 2009 Marcus Glocker <mglocker@openbsd.org> @@ -40,8 +40,10 @@ main(void) for (i = 0; i < UDL_HUFFMAN_RECORDS; i++) { size = udl_huffman[i].size; value = htobe32(udl_huffman[i].value); - write(fd, &size, sizeof(size)); - write(fd, &value, sizeof(value)); + if (write(fd, &size, sizeof(size)) == -1) + err(1, "write"); + if (write(fd, &value, sizeof(value)) == -1) + err(1, "write"); } close(fd); |