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first usable version of kernel and commands

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After an year of hard work, this is a first "usable" version of Jehanne.
This commit is contained in:
Giacomo Tesio
2016-11-25 16:18:40 +00:00
parent 391252a059
commit 38aca7a581
3989 changed files with 406697 additions and 1909 deletions
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sys/include/avl.h Normal file
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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#pragma lib "libavl.a"
#pragma src "/sys/src/libavl"
typedef struct Avl Avl;
typedef struct Avltree Avltree;
typedef struct Avlwalk Avlwalk;
#pragma incomplete Avltree
#pragma incomplete Avlwalk
struct Avl
{
Avl *p; /* parent */
Avl *n[2]; /* children */
int bal; /* balance bits */
};
Avl *avlnext(Avlwalk *walk);
Avl *avlprev(Avlwalk *walk);
Avlwalk *avlwalk(Avltree *tree);
void deleteavl(Avltree *tree, Avl *key, Avl **oldp);
void endwalk(Avlwalk *walk);
void insertavl(Avltree *tree, Avl *new, Avl **oldp);
Avl *lookupavl(Avltree *tree, Avl *key);
Avltree *mkavltree(int(*cmp)(Avl*, Avl*));
Avl* searchavl(Avltree *tree, Avl *key, int neighbor);