das2/buffer.h

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#ifndef _das2_buffer_h_
#define _das2_buffer_h_

#include <stdlib.h>
#include <stdbool.h>
#include <stdio.h>

#include "util.h"

#ifdef   __cplusplus
extern "C" {
#endif
   
typedef struct das_buffer{
   char* sBuf;
   size_t uLen;
   char* pWrite;
   const char* pReadBeg;
   const char* pReadEnd;
} DasBuf;

DasBuf* new_DasBuf(size_t uLen);

ErrorCode DasBuf_initReadWrite(DasBuf* pThis, char* sBuf, size_t uLen);

ErrorCode DasBuf_initReadOnly(DasBuf* pThis, const char* sBuf, size_t uLen);

void DasBuf_reinit(DasBuf* pThis);

void del_DasBuf(DasBuf* pThis);

ErrorCode DasBuf_printf(DasBuf* pThis, const char* sFmt, ...);
   
ErrorCode DasBuf_write(DasBuf* pThis, const void* pData, size_t uLen);

int DasBuf_writeFrom(DasBuf* pThis, FILE* pIn, size_t uLen);
   
size_t DasBuf_written(const DasBuf* pThis);

size_t DasBuf_writeSpace(const DasBuf* pThis);

size_t DasBuf_unread(const DasBuf* pThis);

size_t DasBuf_strip(DasBuf* pThis);

size_t DasBuf_read(DasBuf* pThis, char* pOut, size_t uOut);

size_t DasBuf_readOffset(const DasBuf* pThis);

ErrorCode DasBuf_setReadOffset(DasBuf* pThis, size_t uPos);

#ifdef   __cplusplus
}
#endif

#endif   /* _das2_buffer_h_ */

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