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https://github.com/Unidata/netcdf-c.git
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66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* Copyright 2018, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef NCBYTES_H
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#define NCBYTES_H 1
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#include "ncexternl.h"
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typedef struct NCbytes {
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int nonextendible; /* 1 => fail if an attempt is made to extend this buffer*/
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unsigned long alloc;
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unsigned long length;
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char* content;
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} NCbytes;
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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extern "C" {
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#endif
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EXTERNL NCbytes* ncbytesnew(void);
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EXTERNL void ncbytesfree(NCbytes*);
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EXTERNL int ncbytessetalloc(NCbytes*,unsigned long);
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EXTERNL int ncbytessetlength(NCbytes*,unsigned long);
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EXTERNL int ncbytesfill(NCbytes*, char fill);
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/* Produce a duplicate of the contents*/
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EXTERNL char* ncbytesdup(NCbytes*);
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/* Extract the contents and leave buffer empty */
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EXTERNL char* ncbytesextract(NCbytes*);
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/* Return the ith byte; -1 if no such index */
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EXTERNL int ncbytesget(NCbytes*,unsigned long);
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/* Set the ith byte */
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EXTERNL int ncbytesset(NCbytes*,unsigned long,char);
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/* Append one byte */
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EXTERNL int ncbytesappend(NCbytes*,char); /* Add at Tail */
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/* Append n bytes */
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EXTERNL int ncbytesappendn(NCbytes*,const void*,unsigned long); /* Add at Tail */
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/* Null terminate the byte string without extending its length (for debugging) */
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EXTERNL int ncbytesnull(NCbytes*);
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/* Remove char at position i */
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EXTERNL int ncbytesremove(NCbytes*,unsigned long);
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/* Concatenate a null-terminated string to the end of the buffer */
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EXTERNL int ncbytescat(NCbytes*,const char*);
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/* Set the contents of the buffer; mark the buffer as non-extendible */
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EXTERNL int ncbytessetcontents(NCbytes*, char*, unsigned long);
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/* Following are always "in-lined"*/
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#define ncbyteslength(bb) ((bb)!=NULL?(bb)->length:0)
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#define ncbytesalloc(bb) ((bb)!=NULL?(bb)->alloc:0)
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#define ncbytescontents(bb) (((bb)!=NULL && (bb)->content!=NULL)?(bb)->content:(char*)"")
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#define ncbytesextend(bb,len) ncbytessetalloc((bb),(len)+(bb->alloc))
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#define ncbytesclear(bb) ((bb)!=NULL?(bb)->length=0:0)
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#define ncbytesavail(bb,n) ((bb)!=NULL?((bb)->alloc - (bb)->length) >= (n):0)
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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}
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#endif
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#endif /*NCBYTES_H*/
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