Mercurial > hg > dmlib
annotate src/dmgrowbuf.h @ 1699:f71cd6691e05
Implement dmGrowBufGetU8().
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Tue, 05 Jun 2018 15:02:56 +0300 |
parents | 1036b0dcccb5 |
children | a2e65aa47554 |
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 #ifndef DMGROWBUF_H |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
8 #define DMGROWBUF_H |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
9 |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
10 #include "dmlib.h" |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
11 |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
12 #ifdef __cplusplus |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
13 extern "C" { |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
14 #endif |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
15 |
1687 | 16 |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
17 typedef struct |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
18 { |
1697
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
19 Uint8 |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
20 *data; // Actually allocated data pointer |
1533 | 21 |
1697
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
22 size_t |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
23 offs, // Current offset |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
24 min_offs, |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
25 max_offs, |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
26 size, // Actual allocated size |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
27 len, // Size requested |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
28 mingrow; // Minimum amount of bytes the allocation size grows by |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
29 |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
30 BOOL |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
31 allocated, // TRUE if this structure itself has been allocated and can be freed, FALSE if static |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
32 backwards, // TRUE if the buffer grows backwards (e.g. "offs" moves backwards) |
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
33 literal; // TRUE if dmGrowBufPut*() functions stores data "literally" in backwards mode |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
34 } DMGrowBuf; |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
35 |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
36 |
1694
e568535e1a96
Backed out changeset 9611ecd2c4fb
Matti Hamalainen <ccr@tnsp.org>
parents:
1693
diff
changeset
|
37 int dmGrowBufInit(DMGrowBuf *buf); |
1458
b2dd6a72d162
Adjust semantics of growbuf and add new function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1455
diff
changeset
|
38 int dmGrowBufAlloc(DMGrowBuf *buf, const size_t initial, const size_t mingrow); |
b2dd6a72d162
Adjust semantics of growbuf and add new function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1455
diff
changeset
|
39 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
|
40 void dmGrowBufFree(DMGrowBuf *buf); |
1687 | 41 |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
42 BOOL dmGrowBufGrow(DMGrowBuf *buf, const size_t amount); |
1455
a957b318fbe2
Add dmGrowBufCheckGrow() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1454
diff
changeset
|
43 BOOL dmGrowBufCheckGrow(DMGrowBuf *buf, const size_t nsize); |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
44 |
1697
1036b0dcccb5
Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents:
1694
diff
changeset
|
45 BOOL dmGrowBufPut(DMGrowBuf *buf, const Uint8 *data, const size_t len); |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
46 BOOL dmGrowBufPutU8(DMGrowBuf *buf, const Uint8 value); |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
47 BOOL dmGrowBufPutU16BE(DMGrowBuf *buf, const Uint16 val); |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
48 BOOL dmGrowBufPutU16LE(DMGrowBuf *buf, const Uint16 val); |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
49 BOOL dmGrowBufPutU32BE(DMGrowBuf *buf, const Uint32 val); |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
50 BOOL dmGrowBufPutU32LE(DMGrowBuf *buf, const Uint32 val); |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
51 |
1699
f71cd6691e05
Implement dmGrowBufGetU8().
Matti Hamalainen <ccr@tnsp.org>
parents:
1697
diff
changeset
|
52 BOOL dmGrowBufGetU8(DMGrowBuf *buf, Uint8 *value); |
f71cd6691e05
Implement dmGrowBufGetU8().
Matti Hamalainen <ccr@tnsp.org>
parents:
1697
diff
changeset
|
53 |
1454
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
54 |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
55 #ifdef __cplusplus |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
56 } |
fff3b58d031c
Add a growable buffer implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
57 #endif |
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 #endif // DMGROWBUF_H |