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author | gibbs <gibbs@FreeBSD.org> | 1998-09-15 06:33:23 +0000 |
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committer | gibbs <gibbs@FreeBSD.org> | 1998-09-15 06:33:23 +0000 |
commit | 855593c295ac3878b7f73a83edd07f899eccc38d (patch) | |
tree | 436fdb7e7e00d8403854b3bc0865866cd885e9dd /sys/cam/cam.c | |
parent | bbc0682d67a7e0c50ade831509abd8c3e119db5c (diff) | |
download | FreeBSD-src-855593c295ac3878b7f73a83edd07f899eccc38d.zip FreeBSD-src-855593c295ac3878b7f73a83edd07f899eccc38d.tar.gz |
CAM Transport Layer (XPT).
Submitted by: The CAM Team
Diffstat (limited to 'sys/cam/cam.c')
-rw-r--r-- | sys/cam/cam.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/cam/cam.c b/sys/cam/cam.c new file mode 100644 index 0000000..8be4568 --- /dev/null +++ b/sys/cam/cam.c @@ -0,0 +1,108 @@ +/* + * Generic utility routines for the Common Access Method layer. + * + * 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, + * without modification, immediately at the beginning of the file. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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. + * + * $Id$ + */ +#include <sys/param.h> + +#include <cam/cam.h> + +void +cam_strvis(u_int8_t *dst, const u_int8_t *src, int srclen, int dstlen) +{ + + /* Trim leading/trailing spaces. */ + while (srclen > 0 && src[0] == ' ') + src++, srclen--; + while (srclen > 0 && src[srclen-1] == ' ') + srclen--; + + while (srclen > 0 && dstlen > 1) { + u_int8_t *cur_pos = dst; + + if (*src < 0x20 || *src >= 0x80) { + /* SCSI-II Specifies that these should never occur. */ + /* non-printable character */ + if (dstlen > 4) { + *cur_pos++ = '\\'; + *cur_pos++ = ((*src & 0300) >> 6) + '0'; + *cur_pos++ = ((*src & 0070) >> 3) + '0'; + *cur_pos++ = ((*src & 0007) >> 0) + '0'; + } else { + *cur_pos++ = '?'; + } + } else { + /* normal character */ + *cur_pos++ = *src; + } + src++; + srclen--; + dstlen -= cur_pos - dst; + dst = cur_pos; + } + *dst = '\0'; +} + +/* + * Compare string with pattern, returning 0 on match. + * Short pattern matches trailing blanks in name, + * wildcard '*' in pattern matches rest of name, + * wildcard '?' matches a single non-space character. + */ +int +cam_strmatch(const u_int8_t *str, const u_int8_t *pattern, int str_len) +{ + + while (*pattern != '\0'&& str_len > 0) { + + if (*pattern == '*') { + return (0); + } + if ((*pattern != *str) + && (*pattern != '?' || *str == ' ')) { + return (1); + } + pattern++; + str++; + str_len--; + } + while (str_len > 0 && *str++ == ' ') + str_len--; + + return (str_len); +} + +caddr_t +cam_quirkmatch(caddr_t target, caddr_t quirk_table, int num_entries, + int entry_size, cam_quirkmatch_t *comp_func) +{ + for (; num_entries > 0; num_entries--, quirk_table += entry_size) { + if ((*comp_func)(target, quirk_table) == 0) + return (quirk_table); + } + return (NULL); +} |