dovecot/core-2.2: src/lib/buffer.c annotate

annotate src/lib/buffer.c @ 832:e1ca4ef76ab4 HEAD

whops, reverted unwanted changes

author	Timo Sirainen <tss@iki.fi>
date	Sun, 22 Dec 2002 00:02:20 +0200
parents	0ae9b03a0f05
children	e73389a2324a

rev	line source
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /*
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	2 Copyright (c) 2002 Timo Sirainen
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	3
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	4 Permission is hereby granted, free of charge, to any person obtaining
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	5 a copy of this software and associated documentation files (the
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	6 "Software"), to deal in the Software without restriction, including
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	7 without limitation the rights to use, copy, modify, merge, publish,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	8 distribute, sublicense, and/or sell copies of the Software, and to
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	9 permit persons to whom the Software is furnished to do so, subject to
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	10 the following conditions:
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	11
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	12 The above copyright notice and this permission notice shall be
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	13 included in all copies or substantial portions of the Software.
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	14
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	16 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	18 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	19 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	20 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	21 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	22 */
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	23
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	24 /* @UNSAFE: whole file */
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	25
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	26 #include "lib.h"
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	27 #include "buffer.h"
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	28
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	29 struct _Buffer {
832 e1ca4ef76ab4 whops, reverted unwanted changes Timo Sirainen <tss@iki.fi> parents: 831 diff changeset	30 Pool pool;
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	31
832 e1ca4ef76ab4 whops, reverted unwanted changes Timo Sirainen <tss@iki.fi> parents: 831 diff changeset	32 const unsigned char *r_buffer;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	33 unsigned char *w_buffer;
832 e1ca4ef76ab4 whops, reverted unwanted changes Timo Sirainen <tss@iki.fi> parents: 831 diff changeset	34 size_t used, alloc, max_alloc, limit, start_pos;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	35
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	36 unsigned int alloced:1;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	37 unsigned int readonly:1;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	38 unsigned int hard:1;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	39 };
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	40
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	41 static void buffer_alloc(Buffer *buf, size_t min_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	42 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	43 if (min_size == 0)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	44 return;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	45
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	46 i_assert(buf->w_buffer == NULL \|\| buf->alloced);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	47
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	48 buf->alloc = min_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	49 if (buf->w_buffer == NULL)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	50 buf->w_buffer = p_malloc(buf->pool, buf->alloc);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	51 else
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	52 buf->w_buffer = p_realloc(buf->pool, buf->w_buffer, buf->alloc);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	53 buf->r_buffer = buf->w_buffer;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	54 buf->alloced = TRUE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	55 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	56
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	57 static int buffer_check_read(const Buffer buf, size_t pos, size_t *data_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	58 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	59 size_t used_size, max_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	60
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	61 used_size = I_MIN(buf->used, buf->limit);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	62 if (*pos >= used_size - buf->start_pos)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	63 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	64
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	65 *pos += buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	66 max_size = used_size - *pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	67 if (*data_size > max_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	68 *data_size = max_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	69 return TRUE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	70 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	71
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	72 static int buffer_check_write(Buffer buf, size_t pos, size_t *data_size,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	73 int accept_partial)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	74 {
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	75 size_t max_size, new_size, alloc_size;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	76
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	77 if (buf->readonly)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	78 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	79
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	80 /* check that we don't overflow size_t */
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	81 max_size = (size_t)-1 - *pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	82 if (buf->start_pos >= max_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	83 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	84 *pos += buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	85
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	86 if (*data_size <= max_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	87 new_size = pos + data_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	88 else {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	89 new_size = *pos + max_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	90 if (new_size <= *pos \|\| !accept_partial)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	91 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	92 *data_size = max_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	93 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	94
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	95 /* see if we need to grow the buffer */
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	96 if (new_size > buf->alloc) {
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	97 alloc_size = nearest_power(new_size);
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	98 if (alloc_size > buf->limit) {
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	99 if (buf->hard) {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	100 i_panic("Buffer full (%"PRIuSIZE_T" > "
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	101 "%"PRIuSIZE_T")",
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	102 alloc_size, buf->limit);
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	103 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	104
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	105 if (!accept_partial)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	106 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	107
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	108 alloc_size = buf->limit;
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	109 if (*pos >= alloc_size)
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	110 return FALSE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	111
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	112 data_size = alloc_size - pos;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	113 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	114
831 0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	115 if (new_size > alloc_size)
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	116 new_size = alloc_size;
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	117
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	118 if (alloc_size != buf->alloc)
0ae9b03a0f05 Last update broke used size. Timo Sirainen <tss@iki.fi> parents: 830 diff changeset	119 buffer_alloc(buf, alloc_size);
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	120 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	121
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	122 if (new_size > buf->used)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	123 buf->used = new_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	124 return TRUE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	125 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	126
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	127 Buffer *buffer_create_static(Pool pool, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	128 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	129 Buffer *buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	130
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	131 buf = p_new(pool, Buffer, 1);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	132 buf->pool = pool;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	133 buf->max_alloc = buf->limit = size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	134 buffer_alloc(buf, size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	135 return buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	136 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	137
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	138 Buffer *buffer_create_static_hard(Pool pool, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	139 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	140 Buffer *buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	141
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	142 buf = buffer_create_static(pool, size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	143 buf->hard = TRUE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	144 return buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	145 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	146
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	147 Buffer buffer_create_data(Pool pool, void data, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	148 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	149 Buffer *buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	150
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	151 buf = p_new(pool, Buffer, 1);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	152 buf->pool = pool;
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	153 buf->alloc = buf->max_alloc = buf->limit = size;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	154 buf->r_buffer = buf->w_buffer = data;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	155 return buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	156 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	157
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	158 Buffer buffer_create_const_data(Pool pool, const void data, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	159 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	160 Buffer *buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	161
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	162 buf = p_new(pool, Buffer, 1);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	163 buf->pool = pool;
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	164 buf->used = buf->alloc = buf->max_alloc = buf->limit = size;
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	165 buf->r_buffer = data;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	166 buf->readonly = TRUE;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	167 return buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	168 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	169
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	170 Buffer *buffer_create_dynamic(Pool pool, size_t init_size, size_t max_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	171 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	172 Buffer *buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	173
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	174 buf = p_new(pool, Buffer, 1);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	175 buf->pool = pool;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	176 buf->max_alloc = buf->limit = max_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	177 buffer_alloc(buf, init_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	178 return buf;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	179 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	180
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	181 void buffer_free(Buffer *buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	182 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	183 if (buf->alloced)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	184 p_free(buf->pool, buf->w_buffer);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	185 p_free(buf->pool, buf);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	186 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	187
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	188 void buffer_free_without_data(Buffer buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	189 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	190 void *data;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	191
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	192 data = buf->w_buffer;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	193 p_free(buf->pool, buf);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	194 return data;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	195 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	196
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	197 size_t buffer_write(Buffer *buf, size_t pos,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	198 const void *data, size_t data_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	199 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	200 if (!buffer_check_write(buf, &pos, &data_size, TRUE))
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	201 return 0;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	202
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	203 memcpy(buf->w_buffer + pos, data, data_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	204 return data_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	205 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	206
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	207 size_t buffer_append(Buffer buf, const void data, size_t data_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	208 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	209 return buffer_write(buf, buf->used - buf->start_pos, data, data_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	210 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	211
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	212 size_t buffer_append_c(Buffer *buf, char chr)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	213 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	214 size_t pos, data_size = 1;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	215
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	216 pos = buf->used - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	217 if (!buffer_check_write(buf, &pos, &data_size, TRUE))
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	218 return 0;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	219
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	220 if (data_size == 1)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	221 buf->w_buffer[pos] = chr;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	222 return data_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	223 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	224
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	225 size_t buffer_insert(Buffer *buf, size_t pos,
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	226 const void *data, size_t data_size)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	227 {
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	228 size_t move_size, size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	229
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	230 move_size = buf->used - buf->start_pos;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	231 i_assert(pos <= move_size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	232 move_size -= pos;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	233
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	234 if (data_size < (size_t)-1 - move_size)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	235 size = data_size + move_size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	236 else
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	237 size = (size_t)-1;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	238
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	239 if (!buffer_check_write(buf, &pos, &size, TRUE))
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	240 return 0;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	241
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	242 i_assert(size >= move_size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	243 size -= move_size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	244
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	245 memmove(buf->w_buffer + pos + size, buf->w_buffer + pos, move_size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	246 memcpy(buf->w_buffer + pos, data, size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	247 return size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	248 }
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	249
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	250 size_t buffer_delete(Buffer *buf, size_t pos, size_t size)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	251 {
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	252 size_t end_size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	253
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	254 if (buf->readonly)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	255 return 0;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	256
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	257 end_size = buf->used - buf->start_pos;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	258 i_assert(pos <= end_size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	259 end_size -= pos;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	260
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	261 if (size < end_size) {
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	262 /* delete from between */
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	263 end_size -= size;
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	264 memmove(buf->w_buffer + buf->start_pos + pos,
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	265 buf->w_buffer + buf->start_pos + pos + size, end_size);
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	266 } else {
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	267 /* delete the rest of the buffer */
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	268 size = end_size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	269 end_size = 0;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	270 }
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	271
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	272 buffer_set_used_size(buf, pos + end_size);
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	273 return size;
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	274 }
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 765 diff changeset	275
765 553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	276 size_t buffer_copy(Buffer *dest, size_t dest_pos,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	277 const Buffer *src, size_t src_pos, size_t copy_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	278 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	279 if (!buffer_check_read(src, &src_pos, &copy_size))
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	280 return 0;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	281
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	282 if (!buffer_check_write(dest, &dest_pos, &copy_size, TRUE))
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	283 return 0;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	284
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	285 if (src == dest) {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	286 memmove(dest->w_buffer + dest_pos,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	287 src->r_buffer + src_pos, copy_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	288 } else {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	289 memcpy(dest->w_buffer + dest_pos,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	290 src->r_buffer + src_pos, copy_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	291 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	292 return copy_size;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	293 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	294
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	295 size_t buffer_append_buf(Buffer dest, const Buffer src,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	296 size_t src_pos, size_t copy_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	297 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	298 return buffer_copy(dest, dest->used - dest->start_pos,
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	299 src, src_pos, copy_size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	300 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	301
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	302 void buffer_get_space(Buffer buf, size_t pos, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	303 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	304 if (!buffer_check_write(buf, &pos, &size, FALSE))
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	305 return 0;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	306
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	307 return buf->w_buffer + pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	308 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	309
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	310 void buffer_append_space(Buffer buf, size_t size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	311 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	312 return buffer_get_space(buf, buf->used - buf->start_pos, size);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	313 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	314
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	315 const void buffer_get_data(const Buffer buf, size_t *used_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	316 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	317 if (used_size != NULL)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	318 *used_size = I_MIN(buf->used, buf->limit) - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	319 return buf->r_buffer + buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	320 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	321
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	322 void buffer_get_modifyable_data(const Buffer buf, size_t *used_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	323 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	324 if (used_size != NULL)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	325 *used_size = I_MIN(buf->used, buf->limit) - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	326 return buf->w_buffer + buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	327 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	328
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	329 void buffer_set_used_size(Buffer *buf, size_t used_size)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	330 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	331 i_assert(used_size <= I_MIN(buf->alloc, buf->limit) - buf->start_pos);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	332
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	333 buf->used = used_size + buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	334 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	335
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	336 size_t buffer_get_used_size(const Buffer *buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	337 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	338 return I_MIN(buf->used, buf->limit) - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	339 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	340
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	341 size_t buffer_set_start_pos(Buffer *buf, size_t abs_pos)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	342 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	343 size_t old = buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	344
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	345 i_assert(abs_pos <= I_MIN(buf->used, buf->limit));
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	346
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	347 buf->start_pos = abs_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	348 return old;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	349 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	350
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	351 size_t buffer_get_start_pos(const Buffer *buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	352 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	353 return buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	354 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	355
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	356 size_t buffer_set_limit(Buffer *buf, size_t limit)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	357 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	358 size_t old = buf->limit;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	359
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	360 if (limit > (size_t)-1 - buf->start_pos)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	361 limit = (size_t)-1;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	362 else
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	363 limit += buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	364
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	365 buf->limit = I_MIN(limit, buf->max_alloc);
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	366 return old;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	367 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	368
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	369 size_t buffer_get_limit(const Buffer *buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	370 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	371 return buf->limit - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	372 }
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	373
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	374 size_t buffer_get_size(const Buffer *buf)
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	375 {
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	376 return buf->alloc - buf->start_pos;
553f050c8313 Added buffer API. Point is to hide all buffer writing behind this API which Timo Sirainen <tss@iki.fi> parents: diff changeset	377 }
830 27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	378
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	379 #ifdef BUFFER_TEST
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	380 /* gcc buffer.c -o buffer liblib.a -Wall -DHAVE_CONFIG_H -DBUFFER_TEST -g */
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	381 int main(void)
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	382 {
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	383 Buffer *buf;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	384 char data[12], *bufdata;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	385 size_t bufsize;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	386
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	387 memset(data, '!', sizeof(data));
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	388 bufdata = data + 1;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	389 bufsize = sizeof(data)-2;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	390
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	391 buf = buffer_create_data(system_pool, bufdata, bufsize);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	392 i_assert(buffer_write(buf, 5, "12345", 5) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	393 i_assert(buf->used == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	394 i_assert(buffer_write(buf, 6, "12345", 5) == 4);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	395 i_assert(buf->used == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	396
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	397 buf = buffer_create_data(system_pool, bufdata, bufsize);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	398 i_assert(buffer_write(buf, 0, "1234567890", 10) == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	399 i_assert(buffer_write(buf, 0, "12345678901", 11) == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	400 i_assert(buffer_append(buf, "1", 1) == 0);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	401 i_assert(buf->used == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	402
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	403 buf = buffer_create_data(system_pool, bufdata, bufsize);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	404 i_assert(buffer_append(buf, "12345", 5) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	405 i_assert(buf->used == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	406 i_assert(buffer_append(buf, "123456", 6) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	407 i_assert(buf->used == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	408
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	409 buf = buffer_create_data(system_pool, bufdata, bufsize);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	410 i_assert(buffer_append(buf, "12345", 5) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	411 i_assert(buffer_insert(buf, 2, "123456", 6) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	412 i_assert(buf->used == 10);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	413 i_assert(memcmp(buf->r_buffer, "1212345345", 10) == 0);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	414 i_assert(buffer_delete(buf, 2, 5) == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	415 i_assert(buf->used == 5);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	416 i_assert(memcmp(buf->r_buffer, "12345", 5) == 0);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	417 i_assert(buffer_delete(buf, 3, 5) == 2);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	418 i_assert(buf->used == 3);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	419 i_assert(memcmp(buf->r_buffer, "123", 3) == 0);
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	420
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	421 i_assert(data[0] == '!');
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	422 i_assert(data[sizeof(data)-1] == '!');
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	423 return 0;
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	424 }
27774d0493dd Fixed several bugs, added a small testsuite. Still requires careful auditing. Timo Sirainen <tss@iki.fi> parents: 805 diff changeset	425 #endif

Mercurial > dovecot > core-2.2

annotate src/lib/buffer.c @ 832:e1ca4ef76ab4 HEAD