/*
* If zero is true, zeroize the arena memory before freeing it.
*/
void
PORT_FreeArena(PLArenaPool *arena, PRBool zero)
{
PORTArenaPool *pool = (PORTArenaPool *)arena;
PRLock * lock = (PRLock *)0;
size_t len = sizeof *arena;
extern const PRVersionDescription * libVersionPoint(void);
static const PRVersionDescription * pvd;
static PRBool doFreeArenaPool = PR_FALSE;
if (ARENAPOOL_MAGIC == pool->magic ) {
len = sizeof *pool;
lock = pool->lock;
PZ_Lock(lock);
}
if (!pvd) {
/* Each of NSPR's DLLs has a function libVersionPoint().
** We could do a lot of extra work to be sure we're calling the
** one in the DLL that holds PR_FreeArenaPool, but instead we
** rely on the fact that ALL NSPR DLLs in the same directory
** must be from the same release, and we call which ever one we get.
*/
/* no need for thread protection here */
pvd = libVersionPoint();
if ((pvd->vMajor > 4) ||
(pvd->vMajor == 4 && pvd->vMinor > 1) ||
(pvd->vMajor == 4 && pvd->vMinor == 1 && pvd->vPatch >= 1)) {
const char *ev = PR_GetEnv("NSS_DISABLE_ARENA_FREE_LIST");
if (!ev) doFreeArenaPool = PR_TRUE;
}
}
if (zero) {
PLArena *a;
for (a = arena->first.next; a; a = a->next) {
PR_ASSERT(a->base <= a->avail && a->avail <= a->limit);
memset((void *)a->base, 0, a->avail - a->base);
}
}
if (doFreeArenaPool) {
PL_FreeArenaPool(arena);
} else {
PL_FinishArenaPool(arena);
}
PORT_ZFree(arena, len);
if (lock) {
PZ_Unlock(lock);
PZ_DestroyLock(lock);
}
}
int main(int argc, char **argv)
{
PRIntn rv = 1;
PLOptStatus os;
PRIntn verbosity = 0;
PRLibrary *runtime = NULL;
const char *library_name = NULL;
const PRVersionDescription *version_info;
char buffer[100];
PRExplodedTime exploded;
PLOptState *opt = PL_CreateOptState(argc, argv, "d");
PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 0: /* fully qualified library name */
library_name = opt->value;
break;
case 'd': /* verbodity */
verbosity += 1;
break;
default:
PR_fprintf(err, "Usage: version [-d] {fully qualified library name}\n");
return 2; /* but not a lot else */
}
}
PL_DestroyOptState(opt);
if (NULL != library_name)
{
runtime = PR_LoadLibrary(library_name);
if (NULL == runtime) {
PL_FPrintError(err, "PR_LoadLibrary");
return 3;
} else {
versionEntryPointType versionPoint = (versionEntryPointType)
PR_FindSymbol(runtime, "libVersionPoint");
if (NULL == versionPoint) {
PL_FPrintError(err, "PR_FindSymbol");
return 4;
}
version_info = versionPoint();
}
} else
version_info = libVersionPoint(); /* NSPR's version info */
(void)PR_fprintf(err, "Runtime library version information\n");
PR_ExplodeTime(
version_info->buildTime, PR_GMTParameters, &exploded);
(void)PR_FormatTime(
buffer, sizeof(buffer), "%d %b %Y %H:%M:%S", &exploded);
(void)PR_fprintf(err, " Build time: %s GMT\n", buffer);
(void)PR_fprintf(
err, " Build time: %s\n", version_info->buildTimeString);
(void)PR_fprintf(
err, " %s V%u.%u.%u (%s%s%s)\n",
version_info->description,
version_info->vMajor,
version_info->vMinor,
version_info->vPatch,
(version_info->beta ? " beta " : ""),
(version_info->debug ? " debug " : ""),
(version_info->special ? " special" : ""));
(void)PR_fprintf(err, " filename: %s\n", version_info->filename);
(void)PR_fprintf(err, " security: %s\n", version_info->security);
(void)PR_fprintf(err, " copyright: %s\n", version_info->copyright);
(void)PR_fprintf(err, " comment: %s\n", version_info->comment);
rv = 0;
return rv;
}
