dmlib: src/dmgrowbuf.c annotate

annotate src/dmgrowbuf.c @ 1530:94eb6a8a7d56

Add helper function dmGrowBufRealloc() to handle the common case of reallocating the grow buffer in various enlargement functions.

author	Matti Hamalainen <ccr@tnsp.org>
date	Sat, 12 May 2018 03:10:47 +0300
parents	15afe578f0ae
children	260bf529a8f2

rev	line source
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 * DMLib
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 * -- Growable buffer implementation
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4 * Programmed and designed by Matti 'ccr' Hamalainen
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 * (C) Copyright 2018 Tecnic Software productions (TNSP)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 */
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 #include "dmgrowbuf.h"
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9
1458 b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	10 int dmGrowBufInit(DMGrowBuf *buf)
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	11 {
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	12 if (buf == NULL)
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	13 return DMERR_NULLPTR;
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	14
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	15 memset(buf, 0, sizeof(DMGrowBuf));
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	16
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	17 return DMERR_OK;
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	18 }
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	19
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	20
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	21 int dmGrowBufAlloc(DMGrowBuf *buf, const size_t initial, const size_t mingrow)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 {
1459 1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	23 int res;
1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	24
1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	25 if ((res = dmGrowBufInit(buf)) != DMERR_OK)
1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	26 return res;
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 buf->len = 0;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29 buf->size = initial;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 buf->mingrow = mingrow;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 buf->allocated = FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32
1509 15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	33 // Allocate the data
1508 97b8096f16dc Initialize the memory in growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1484 diff changeset	34 if ((buf->data = dmMalloc0(initial)) == NULL)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35 return DMERR_MALLOC;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37 return DMERR_OK;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40
1458 b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	41 int dmGrowBufNew(DMGrowBuf **pbuf, const size_t initial, const size_t mingrow)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43 int res;
1458 b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	44 if (pbuf == NULL)
b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	45 return DMERR_NULLPTR;
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47 if ((*pbuf = dmMalloc0(sizeof(DMGrowBuf))) == NULL)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48 return DMERR_MALLOC;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	49
1458 b2dd6a72d162 Adjust semantics of growbuf and add new function. Matti Hamalainen <ccr@tnsp.org> parents: 1455 diff changeset	50 if ((res = dmGrowBufAlloc(*pbuf, initial, mingrow)) != DMERR_OK)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51 {
1459 1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	52 // The "allocated" flag has not yet been set
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53 dmGrowBufFree(*pbuf);
1459 1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	54
1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	55 // .. thus free the allocated struct here
1155f4bc4afc More work on growbuf. Matti Hamalainen <ccr@tnsp.org> parents: 1458 diff changeset	56 dmFreeR(pbuf);
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	57 return res;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	58 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	60 (*pbuf)->allocated = TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 return res;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	63
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	64
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	65 void dmGrowBufFree(DMGrowBuf *buf)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67 if (buf != NULL)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69 dmFreeR(&buf->data);
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 if (buf->allocated)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71 dmFree(buf);
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	76 static BOOL dmGrowBufRealloc(DMGrowBuf *buf, const size_t nsize, const BOOL clear)
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	77 {
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	78 if ((buf->data = dmRealloc(buf->data, nsize)) == NULL)
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	79 return FALSE;
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	80
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	81 if (clear)
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	82 memset(buf->adata + buf->size, 0, nsize - buf->size);
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	83
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	84 buf->size = nsize;
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	85
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	86 return TRUE;
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	87 }
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	88
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	89
1509 15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	90 //
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	91 // Grow the buffer by "amount" bytes, but at least by buf->mingrow,
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	92 // if there is not enough space for at least that amount compared to
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	93 // current buffer "len".
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	94 //
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 BOOL dmGrowBufGrow(DMGrowBuf *buf, const size_t amount)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96 {
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	97 if (buf->data == NULL \|\| buf->offs + buf->len + amount >= buf->size)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98 {
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	99 size_t grow = (amount > buf->mingrow) ? amount : buf->mingrow;
94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	100 if (!dmGrowBufRealloc(buf, buf->offs + buf->len + grow, TRUE))
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	102 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	103
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	104 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	105 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107
1509 15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	108 //
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	109 // Grow the buffer if "nsize" is larger than the current buffer size.
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	110 // Buffer is enlarged to nsize + mingrow.
15afe578f0ae Add few comments to clarify things. Matti Hamalainen <ccr@tnsp.org> parents: 1508 diff changeset	111 //
1455 a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	112 BOOL dmGrowBufCheckGrow(DMGrowBuf *buf, const size_t nsize)
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	113 {
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	114 if (buf->data == NULL \|\| buf->offs + nsize > buf->size)
1455 a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	115 {
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	116 if (!dmGrowBufRealloc(buf, buf->offs + nsize + buf->mingrow, TRUE))
1455 a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	117 return FALSE;
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	118 }
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	119
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	120 return TRUE;
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	121 }
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	122
a957b318fbe2 Add dmGrowBufCheckGrow() function. Matti Hamalainen <ccr@tnsp.org> parents: 1454 diff changeset	123
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	124 int dmGrowBufResize(DMGrowBuf *buf)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	125 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	126 if (buf == NULL)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127 return DMERR_NULLPTR;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	128
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	129 buf->size = buf->len;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	130 if (buf->len == 0)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131 return DMERR_OK;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132
1530 94eb6a8a7d56 Add helper function dmGrowBufRealloc() to handle the common case of Matti Hamalainen <ccr@tnsp.org> parents: 1509 diff changeset	133 if (!dmGrowBufRealloc(buf, buf->size, FALSE))
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 return DMERR_MALLOC;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 return DMERR_OK;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 BOOL dmGrowBufPutU8(DMGrowBuf *buf, const Uint8 value)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 if (!dmGrowBufGrow(buf, sizeof(Uint8)))
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	143 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 buf->data[buf->len++] = value;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150
1477 e8fe529f4341 Rename one of the growbuf functions. Matti Hamalainen <ccr@tnsp.org> parents: 1459 diff changeset	151 BOOL dmGrowBufPut(DMGrowBuf buf, const void str, const size_t len)
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153 if (str == NULL)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155
1484 a0166c4050be Fix dmGrowBufPut() to not include extra byte. Matti Hamalainen <ccr@tnsp.org> parents: 1477 diff changeset	156 if (!dmGrowBufGrow(buf, len))
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158
1484 a0166c4050be Fix dmGrowBufPut() to not include extra byte. Matti Hamalainen <ccr@tnsp.org> parents: 1477 diff changeset	159 memcpy(buf->data + buf->len, str, len);
1454 fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 buf->len += len;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 BOOL dmGrowBufPutU16BE(DMGrowBuf *buf, const Uint16 val)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 if (!dmGrowBufGrow(buf, sizeof(Uint16)))
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171 buf->data[buf->len++] = (val >> 8) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172 buf->data[buf->len++] = val & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178 BOOL dmGrowBufPutU16LE(DMGrowBuf *buf, const Uint16 val)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180 if (!dmGrowBufGrow(buf, sizeof(Uint16)))
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 buf->data[buf->len++] = val & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184 buf->data[buf->len++] = (val >> 8) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	186 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	188
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190 BOOL dmGrowBufPutU32BE(DMGrowBuf *buf, const Uint32 val)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	191 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	192 if (!dmGrowBufGrow(buf, sizeof(Uint32)))
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	193 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	194
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	195 buf->data[buf->len++] = (val >> 24) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	196 buf->data[buf->len++] = (val >> 16) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	197 buf->data[buf->len++] = (val >> 8) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198 buf->data[buf->len++] = val & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	200 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	201 }
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204 BOOL dmGrowBufPutU32LE(DMGrowBuf *buf, const Uint32 val)
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205 {
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206 if (!dmGrowBufGrow(buf, sizeof(Uint32)))
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207 return FALSE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	208
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	209 buf->data[buf->len++] = val & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	210 buf->data[buf->len++] = (val >> 8) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	211 buf->data[buf->len++] = (val >> 16) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	212 buf->data[buf->len++] = (val >> 24) & 0xff;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	213
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214 return TRUE;
fff3b58d031c Add a growable buffer implementation. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	215 }

Mercurial > hg > dmlib

annotate src/dmgrowbuf.c @ 1530:94eb6a8a7d56