mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-21 03:13:42 +08:00
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
|
|
See the COPYRIGHT file for more information. */
|
|
|
|
#ifndef NCBYTES_H
|
|
#define NCBYTES_H 1
|
|
|
|
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*,const 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*/
|