diff options
Diffstat (limited to 'freebsd/sys/dev/nvme/nvme_util.c')
-rw-r--r-- | freebsd/sys/dev/nvme/nvme_util.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/freebsd/sys/dev/nvme/nvme_util.c b/freebsd/sys/dev/nvme/nvme_util.c new file mode 100644 index 00000000..72ec2e88 --- /dev/null +++ b/freebsd/sys/dev/nvme/nvme_util.c @@ -0,0 +1,65 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (C) 2013 Intel Corporation + * Copyright (C) 1997 Justin T. Gibbs + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <dev/nvme/nvme.h> + +void +nvme_strvis(uint8_t *dst, const uint8_t *src, int dstlen, int srclen) +{ + uint8_t *cur_pos; + + /* Trim leading/trailing spaces, nulls. */ + while (srclen > 0 && src[0] == ' ') + src++, srclen--; + while (srclen > 0 + && (src[srclen - 1] == ' ' || src[srclen - 1] == '\0')) + srclen--; + + while (srclen > 0 && dstlen > 1) { + cur_pos = dst; + + /* Show '?' for non-printable characters. */ + if (*src < 0x20 || *src >= 0x7F) + *cur_pos++ = '?'; + else + *cur_pos++ = *src; + src++; + srclen--; + dstlen -= cur_pos - dst; + dst = cur_pos; + } + *dst = '\0'; +} + |