1 /* $NetBSD: src/lib/libc/citrus/citrus_memstream.c,v 1.2 2004/01/02 21:49:35 itojun Exp $ */
2 /* $DragonFly: src/lib/libc/citrus/citrus_memstream.c,v 1.2 2005/03/16 06:13:24 joerg 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/types.h>
36 #include "citrus_namespace.h"
37 #include "citrus_region.h"
38 #include "citrus_memstream.h"
39 #include "citrus_bcs.h"
42 _citrus_memory_stream_getln(struct _citrus_memory_stream * __restrict ms,
43 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,
71 size_t * __restrict rlen,
78 while (/*CONSTCOND*/ 1) {
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);
140 _citrus_memory_stream_skip_ws(struct _citrus_memory_stream *ms)
144 while ((ch = _memstream_peek(ms)) != EOF) {
145 if (!_bcs_isspace(ch))