gecko-dev/security/nss/lib/base/nssbaset.h

119 строки
2.6 KiB
C

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef NSSBASET_H
#define NSSBASET_H
/*
* nssbaset.h
*
* This file contains the most low-level, fundamental public types.
*/
#include "nspr.h"
#include "nssilock.h"
/*
* NSS_EXTERN, NSS_IMPLEMENT, NSS_EXTERN_DATA, NSS_IMPLEMENT_DATA
*
* NSS has its own versions of these NSPR macros, in a form which
* does not confuse ctags and other related utilities. NSPR
* defines these macros to take the type as an argument, because
* of certain OS requirements on platforms not supported by NSS.
*/
#define DUMMY /* dummy */
#define NSS_EXTERN extern
#define NSS_EXTERN_DATA extern
#define NSS_IMPLEMENT
#define NSS_IMPLEMENT_DATA
PR_BEGIN_EXTERN_C
/*
* NSSError
*
* Calls to NSS routines may result in one or more errors being placed
* on the calling thread's "error stack." Every possible error that
* may be returned from a function is declared where the function is
* prototyped. All errors are of the following type.
*/
typedef PRInt32 NSSError;
/*
* NSSArena
*
* Arenas are logical sets of heap memory, from which memory may be
* allocated. When an arena is destroyed, all memory allocated within
* that arena is implicitly freed. These arenas are thread-safe:
* an arena pointer may be used by multiple threads simultaneously.
* However, as they are not backed by shared memory, they may only be
* used within one process.
*/
struct NSSArenaStr;
typedef struct NSSArenaStr NSSArena;
/*
* NSSItem
*
* This is the basic type used to refer to an unconstrained datum of
* arbitrary size.
*/
struct NSSItemStr {
void *data;
PRUint32 size;
};
typedef struct NSSItemStr NSSItem;
/*
* NSSBER
*
* Data packed according to the Basic Encoding Rules of ASN.1.
*/
typedef NSSItem NSSBER;
/*
* NSSDER
*
* Data packed according to the Distinguished Encoding Rules of ASN.1;
* this form is also known as the Canonical Encoding Rules form (CER).
*/
typedef NSSBER NSSDER;
/*
* NSSBitString
*
* Some ASN.1 types use "bit strings," which are passed around as
* octet strings but whose length is counted in bits. We use this
* typedef of NSSItem to point out the occasions when the length
* is counted in bits, not octets.
*/
typedef NSSItem NSSBitString;
/*
* NSSUTF8
*
* Character strings encoded in UTF-8, as defined by RFC 2279.
*/
typedef char NSSUTF8;
/*
* NSSASCII7
*
* Character strings guaranteed to be 7-bit ASCII.
*/
typedef char NSSASCII7;
PR_END_EXTERN_C
#endif /* NSSBASET_H */