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-rw-r--r--freebsd/sys/dev/nvme/nvme_util.c65
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';
+}
+