2 /* $NetBSD: citrus_memstream.c,v 1.5 2012/03/13 21:13:31 christos Exp $ */
5 * SPDX-License-Identifier: BSD-2-Clause
7 * Copyright (c)2003 Citrus Project,
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
39 #include "citrus_namespace.h"
40 #include "citrus_region.h"
41 #include "citrus_memstream.h"
42 #include "citrus_bcs.h"
45 _citrus_memory_stream_getln(struct _citrus_memory_stream * __restrict ms,
46 size_t * __restrict rlen)
51 if (ms->ms_pos>=_region_size(&ms->ms_region))
54 h = p = (uint8_t *)_region_offset(&ms->ms_region, ms->ms_pos);
56 for (i = _region_size(&ms->ms_region) - ms->ms_pos; i > 0; i--) {
65 return ((const char *)h);
71 _citrus_memory_stream_matchline(struct _citrus_memory_stream * __restrict ms,
72 const char * __restrict key, size_t * __restrict rlen, int iscasesensitive)
79 p = _citrus_memory_stream_getln(ms, &len);
84 q = memchr(p, T_COMM, len);
88 /* ignore trailing white space and newline */
89 _bcs_trunc_rws_len(p, &len);
91 continue; /* ignore null line */
93 /* skip white spaces at the head of the line */
94 p = _bcs_skip_ws_len(p, &len);
95 q = _bcs_skip_nonws_len(p, &len);
97 if ((size_t)(q - p) == keylen) {
98 if (iscasesensitive) {
99 if (memcmp(key, p, keylen) == 0)
102 if (_bcs_strncasecmp(key, p, keylen) == 0)
108 p = _bcs_skip_ws_len(q, &len);
115 _citrus_memory_stream_chr(struct _citrus_memory_stream *ms,
116 struct _citrus_region *r, char ch)
121 if (ms->ms_pos >= _region_size(&ms->ms_region))
124 head = _region_offset(&ms->ms_region, ms->ms_pos);
125 chr = memchr(head, ch, _memstream_remainder(ms));
127 _region_init(r, head, _memstream_remainder(ms));
128 ms->ms_pos = _region_size(&ms->ms_region);
131 sz = (char *)chr - (char *)head;
133 _region_init(r, head, sz);
134 ms->ms_pos += sz + 1;
140 _citrus_memory_stream_skip_ws(struct _citrus_memory_stream *ms)
144 while ((ch = _memstream_peek(ms)) != EOF) {
145 if (!_bcs_isspace(ch))