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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/* author: jstewart */
#if defined(_PRVERSION_H)
#else
#define _PRVERSION_H
#include "prtypes.h"
PR_BEGIN_EXTERN_C
/* All components participating in the PR version protocol must expose
* a structure and a function. The structure is defined below and named
* according to the naming conventions outlined further below. The function
* is called libVersionPoint and returns a pointer to this structure.
*/
/* on NT, always pack the structure the same. */
#ifdef _WIN32
#pragma pack(push, 8)
#endif
typedef struct {
/*
* The first field defines which version of this structure is in use.
* At this time, only version 2 is specified. If this value is not
* 2, you must read no further into the structure.
*/
PRInt32 version;
/* for Version 2, this is the body format. */
PRInt64 buildTime; /* 64 bits - usecs since midnight, 1/1/1970 */
char * buildTimeString;/* a human readable version of the time */
PRUint8 vMajor; /* Major version of this component */
PRUint8 vMinor; /* Minor version of this component */
PRUint8 vPatch; /* Patch level of this component */
PRBool beta; /* true if this is a beta component */
PRBool debug; /* true if this is a debug component */
PRBool special; /* true if this component is a special build */
char * filename; /* The original filename */
char * description; /* description of this component */
char * security; /* level of security in this component */
char * copyright; /* The copyright for this file */
char * comment; /* free form field for misc usage */
char * specialString; /* the special variant for this build */
} PRVersionDescription;
/* on NT, restore the previous packing */
#ifdef _WIN32
#pragma pack(pop)
#endif
/*
* All components must define an entrypoint named libVersionPoint which
* is of type versionEntryPointType.
*
* For example, for a library named libfoo, we would have:
*
* PRVersionDescription prVersionDescription_libfoo =
* {
* ...
* };
*
* PR_IMPLEMENT(const PRVersionDescription*) libVersionPoint(void)
* {
* return &prVersionDescription_libfoo;
* }
*/
typedef const PRVersionDescription *(*versionEntryPointType)(void);
/*
* Where you declare your libVersionPoint, do it like this:
* PR_IMPLEMENT(const PRVersionDescription *) libVersionPoint(void) {
* fill it in...
* }
*/
/*
* NAMING CONVENTION FOR struct
*
* all components should also expose a static PRVersionDescription
* The name of the struct should be calculated as follows:
* Take the value of filename. (If filename is not specified, calculate
* a short, unique string.) Convert all non-alphanumeric characters
* to '_'. To this, prepend "PRVersionDescription_". Thus for libfoo.so,
* the symbol name is "PRVersionDescription_libfoo_so".
* so the file should have
* PRVersionDescription PRVersionDescription_libfoo_so { fill it in };
* on NT, this file should be declspec export.
*/
PR_END_EXTERN_C
#endif /* defined(_PRVERSION_H) */
/* prvrsion.h */
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