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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile$ $Revision$ $Date$ $Name$";
#endif /* DEBUG */
#ifndef BASE_H
#include "base.h"
#endif /* BASE_H */
/*
* This file isolates us from differences in NSPR versions.
* We have to detect the library with which we're running at
* runtime, and switch behaviours there. This lets us do
* stuff like load cryptoki modules in Communicator.
*
* Hey, it's the PORT layer all over again!
*/
static int whatnspr = 0;
static int
set_whatnspr
(
void
)
{
/*
* The only runtime difference I could find was the
* return value of PR_dtoa. We can't just look for
* a symbol in NSPR >=2, because it'll always be
* found (because we compile against NSPR >=2).
* Maybe we could look for a symbol merely in NSPR 1?
*
*/
char buffer[64];
int decpt = 0, sign = 0;
char *rve = (char *)0;
/* extern int PR_dtoa(double, int, int, int *, int *, char **, char *, int); */
int r = (int)PR_dtoa((double)1.0, 0, 5, &decpt, &sign, &rve,
buffer, sizeof(buffer));
switch( r ) {
case 0:
case -1:
whatnspr = 2;
/*
* If we needed to, *now* we could look up "libVersionPoint"
* and get more data there.. except all current NSPR's (up
* to NSPR 4.x at time of writing) still say 2 in their
* version structure.
*/
break;
default:
whatnspr = 1;
break;
}
return whatnspr;
}
#define WHATNSPR (whatnspr ? whatnspr : set_whatnspr())
NSS_IMPLEMENT PRStatus
nss_NewThreadPrivateIndex
(
PRUintn *ip
)
{
switch( WHATNSPR ) {
case 1:
{
PRLibrary *l = (PRLibrary *)0;
void *f = PR_FindSymbolAndLibrary("PR_NewThreadPrivateID", &l);
typedef PRInt32 (*ntpt)(void);
ntpt ntp = (ntpt) f;
PR_ASSERT((void *)0 != f);
*ip = ntp();
return PR_SUCCESS;
}
case 2:
default:
return PR_NewThreadPrivateIndex(ip, NULL);
}
}
NSS_IMPLEMENT void *
nss_GetThreadPrivate
(
PRUintn i
)
{
switch( WHATNSPR ) {
case 1:
{
PRLibrary *l = (PRLibrary *)0;
void *f = PR_FindSymbolAndLibrary("PR_GetThreadPrivate", &l);
typedef void *(*gtpt)(PRThread *, PRInt32);
gtpt gtp = (gtpt) f;
PR_ASSERT((void *)0 != f);
return gtp(PR_CurrentThread(), i);
}
case 2:
default:
return PR_GetThreadPrivate(i);
}
}
NSS_IMPLEMENT void
nss_SetThreadPrivate
(
PRUintn i,
void *v
)
{
switch( WHATNSPR ) {
case 1:
{
PRLibrary *l = (PRLibrary *)0;
void *f = PR_FindSymbolAndLibrary("PR_SetThreadPrivate", &l);
typedef PRStatus (*stpt)(PRThread *, PRInt32, void *);
stpt stp = (stpt) f;
PR_ASSERT((void *)0 != f);
(void)stp(PR_CurrentThread(), i, v);
return;
}
case 2:
default:
(void)PR_SetThreadPrivate(i, v);
return;
}
}
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