/* -*- 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/. */
/* 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 #pragmapack(push, 8) #endif
typedefstruct { /* * 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 #pragmapack(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; * }
*/ typedefconst 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.
*/
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