2 /* $NetBSD: citrus_memstream.c,v 1.5 2012/03/13 21:13:31 christos Exp $ */
5 * Copyright (c)2003 Citrus Project,
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
37 #include "citrus_namespace.h"
38 #include "citrus_region.h"
39 #include "citrus_memstream.h"
40 #include "citrus_bcs.h"
43 _citrus_memory_stream_getln(struct _citrus_memory_stream * __restrict ms,
44 size_t * __restrict rlen)
49 if (ms->ms_pos>=_region_size(&ms->ms_region))
52 h = p = (uint8_t *)_region_offset(&ms->ms_region, ms->ms_pos);
54 for (i = _region_size(&ms->ms_region) - ms->ms_pos; i > 0; i--) {
63 return ((const char *)h);
69 _citrus_memory_stream_matchline(struct _citrus_memory_stream * __restrict ms,
70 const char * __restrict key, size_t * __restrict rlen, int iscasesensitive)
77 p = _citrus_memory_stream_getln(ms, &len);
82 q = memchr(p, T_COMM, len);
86 /* ignore trailing white space and newline */
87 _bcs_trunc_rws_len(p, &len);
89 continue; /* ignore null line */
91 /* skip white spaces at the head of the line */
92 p = _bcs_skip_ws_len(p, &len);
93 q = _bcs_skip_nonws_len(p, &len);
95 if ((size_t)(q - p) == keylen) {
96 if (iscasesensitive) {
97 if (memcmp(key, p, keylen) == 0)
100 if (_bcs_strncasecmp(key, p, keylen) == 0)
106 p = _bcs_skip_ws_len(q, &len);
113 _citrus_memory_stream_chr(struct _citrus_memory_stream *ms,
114 struct _citrus_region *r, char ch)
119 if (ms->ms_pos >= _region_size(&ms->ms_region))
122 head = _region_offset(&ms->ms_region, ms->ms_pos);
123 chr = memchr(head, ch, _memstream_remainder(ms));
125 _region_init(r, head, _memstream_remainder(ms));
126 ms->ms_pos = _region_size(&ms->ms_region);
129 sz = (char *)chr - (char *)head;
131 _region_init(r, head, sz);
132 ms->ms_pos += sz + 1;
138 _citrus_memory_stream_skip_ws(struct _citrus_memory_stream *ms)
142 while ((ch = _memstream_peek(ms)) != EOF) {
143 if (!_bcs_isspace(ch))