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add pointer to val type of maps

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SVN=124971
This commit is contained in:
Ken Thompson 2008-06-26 14:58:23 -07:00
parent 3e4e83ab1e
commit e42d6a5fe2
1 changed files with 33 additions and 2 deletions
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35
src/runtime/runtime.c
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@ -980,6 +980,36 @@ stringcopy(uint32 s, string *a, string *b)
*a = *b;
}
static uint64
pointerhash(uint32 s, void **a)
{
prints("pointerhash\n");
return 0x12345;
}
static uint32
pointerequal(uint32 s, void **a, void **b)
{
prints("pointerequal\n");
return 0;
}
static void
pointerprint(uint32 s, void **a)
{
prints("pointerprint\n");
}
static void
pointercopy(uint32 s, void **a, void **b)
{
if(b == nil) {
*a = nil;
return;
}
*a = *b;
}
static uint32
rnd(uint32 n, uint32 m)
{
@ -996,6 +1026,7 @@ algarray[] =
{
{ &memhash, &memequal, &memprint, &memcopy },
{ &stringhash, &stringequal, &stringprint, &stringcopy },
{ &pointerhash, &pointerequal, &pointerprint, &pointercopy },
};
// newmap(keysize uint32, valsize uint32,
@ -1008,8 +1039,8 @@ sys·newmap(uint32 keysize, uint32 valsize,
{
Hmap *m;
if(keyalg >= nelem(algarray) ||
valalg >= nelem(algarray)) {
if(keyalg >= 2 ||
valalg >= 3) {
prints("0<=");
sys·printint(keyalg);
prints("<");