110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#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, nulls. */
|
|
while (srclen > 0 && src[0] == ' ')
|
|
src++, srclen--;
|
|
while (srclen > 0
|
|
&& (src[srclen-1] == ' ' || src[srclen-1] == '\0'))
|
|
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);
|
|
}
|