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/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
See the COPYRIGHT file for more information. */
#ifndef NCBYTES_H
#define NCBYTES_H 1
#include <config.h>
typedef struct NCbytes {
int nonextendible; /* 1 => fail if an attempt is made to extend this buffer*/
unsigned int alloc;
unsigned int length;
char* content;
} NCbytes;
#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
#define EXTERNC extern "C"
#else
#define EXTERNC extern
#endif
EXTERNC NCbytes* ncbytesnew(void);
EXTERNC void ncbytesfree(NCbytes*);
EXTERNC int ncbytessetalloc(NCbytes*,unsigned int);
EXTERNC int ncbytessetlength(NCbytes*,unsigned int);
EXTERNC int ncbytesfill(NCbytes*, char fill);
/* Produce a duplicate of the contents*/
EXTERNC char* ncbytesdup(NCbytes*);
/* Extract the contents and leave buffer empty */
EXTERNC char* ncbytesextract(NCbytes*);
/* Return the ith byte; -1 if no such index */
EXTERNC int ncbytesget(NCbytes*,unsigned int);
/* Set the ith byte */
EXTERNC int ncbytesset(NCbytes*,unsigned int,char);
/* Append one byte */
EXTERNC int ncbytesappend(NCbytes*,char); /* Add at Tail */
/* Append n bytes */
EXTERNC int ncbytesappendn(NCbytes*,void*,unsigned int); /* Add at Tail */
/* Null terminate the byte string without extending its length (for debugging) */
EXTERNC int ncbytesnull(NCbytes*);
/* Concatenate a null-terminated string to the end of the buffer */
EXTERNC int ncbytescat(NCbytes*,char*);
/* Set the contents of the buffer; mark the buffer as non-extendible */
EXTERNC int ncbytessetcontents(NCbytes*, char*, unsigned int);
/* Following are always "in-lined"*/
#define ncbyteslength(bb) ((bb)?(bb)->length:0U)
#define ncbytesalloc(bb) ((bb)?(bb)->alloc:0U)
#define ncbytescontents(bb) ((bb && bb->content)?(bb)->content:(char*)"")
#define ncbytesextend(bb,len) ncbytessetalloc((bb),(len)+(bb->alloc))
#define ncbytesclear(bb) ((bb)?(bb)->length=0:0U)
#define ncbytesavail(bb,n) ((bb)?((bb)->alloc - (bb)->length) >= (n):0U)
#endif /*NCBYTES_H*/
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