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comparison src/dmgrowbuf.h @ 1700:a2e65aa47554

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Implement dmGrowBufConstCopy() and dmGrowBufCreateFrom(), and also DMGrowBuf::is_const flag, that marks a buffer "unmodifiable", though obviously that is not strictly enforced.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 05 Jun 2018 15:04:15 +0300
parents f71cd6691e05
children 7eb00206b36d
comparison
equal deleted inserted replaced
1699:f71cd6691e05 1700:a2e65aa47554
28 mingrow; // Minimum amount of bytes the allocation size grows by 28 mingrow; // Minimum amount of bytes the allocation size grows by
29 29
30 BOOL 30 BOOL
31 allocated, // TRUE if this structure itself has been allocated and can be freed, FALSE if static 31 allocated, // TRUE if this structure itself has been allocated and can be freed, FALSE if static
32 backwards, // TRUE if the buffer grows backwards (e.g. "offs" moves backwards) 32 backwards, // TRUE if the buffer grows backwards (e.g. "offs" moves backwards)
33 literal; // TRUE if dmGrowBufPut*() functions stores data "literally" in backwards mode 33 literal, // TRUE if dmGrowBufPut*() functions stores data "literally" in backwards mode
34 is_const; // TRUE will cause any reallocs etc. modifications to fail
34 } DMGrowBuf; 35 } DMGrowBuf;
35 36
36 37
37 int dmGrowBufInit(DMGrowBuf *buf); 38 int dmGrowBufInit(DMGrowBuf *buf);
38 int dmGrowBufAlloc(DMGrowBuf *buf, const size_t initial, const size_t mingrow); 39 int dmGrowBufAlloc(DMGrowBuf *buf, const size_t initial, const size_t mingrow);
39 int dmGrowBufNew(DMGrowBuf **pbuf, const size_t initial, const size_t mingrow); 40 int dmGrowBufNew(DMGrowBuf **pbuf, const size_t initial, const size_t mingrow);
40 void dmGrowBufFree(DMGrowBuf *buf); 41 void dmGrowBufFree(DMGrowBuf *buf);
42
43 DMGrowBuf * dmGrowBufConstCopy(DMGrowBuf *dst, const DMGrowBuf *src);
44 DMGrowBuf * dmGrowBufCreateFrom(DMGrowBuf *buf, Uint8 *data, size_t len);
41 45
42 BOOL dmGrowBufGrow(DMGrowBuf *buf, const size_t amount); 46 BOOL dmGrowBufGrow(DMGrowBuf *buf, const size_t amount);
43 BOOL dmGrowBufCheckGrow(DMGrowBuf *buf, const size_t nsize); 47 BOOL dmGrowBufCheckGrow(DMGrowBuf *buf, const size_t nsize);
44 48
45 BOOL dmGrowBufPut(DMGrowBuf *buf, const Uint8 *data, const size_t len); 49 BOOL dmGrowBufPut(DMGrowBuf *buf, const Uint8 *data, const size_t len);