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qpkg/jrb.h: general code cleanup
- jrb.h: fixed indentation - jrb.h: named anonymous parameters - jrb.h: removed "extern" from function prototypes
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qpkg/jrb.h
52
qpkg/jrb.h
@ -46,57 +46,57 @@ Fax: 865-974-4404
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typedef struct jrb_node {
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typedef struct jrb_node {
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unsigned char red;
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unsigned char red;
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unsigned char internal;
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unsigned char internal;
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unsigned char left;
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unsigned char left;
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unsigned char roothead; /* (bit 1 is root, bit 2 is head) */
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unsigned char roothead; /* (bit 1 is root, bit 2 is head) */
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struct jrb_node *flink;
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struct jrb_node *flink;
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struct jrb_node *blink;
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struct jrb_node *blink;
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struct jrb_node *parent;
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struct jrb_node *parent;
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void *key;
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void *key;
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void *val;
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void *val;
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} *JRB;
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} *JRB;
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extern JRB make_jrb(void); /* Creates a new rb-tree */
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JRB make_jrb(void); /* Creates a new rb-tree */
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/* Creates a node with key key and val val and inserts it into the tree.
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/* Creates a node with key key and val val and inserts it into the tree.
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jrb_insert uses strcmp() as comparison funcion. jrb_inserti uses <>=,
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jrb_insert uses strcmp() as comparison funcion. jrb_inserti uses <>=,
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jrb_insertg uses func() */
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jrb_insertg uses func() */
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extern JRB jrb_insert(JRB tree, void *key, void *val,
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JRB jrb_insert(JRB tree, void *key, void *val,
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int (*func)(const void *, const void *));
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int (*func)(const void *a, const void *b));
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/* returns an external node in t whose value is equal k. Returns NULL if
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/* returns an external node in t whose value is equal k. Returns NULL if
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there is no such node in the tree */
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there is no such node in the tree */
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extern JRB jrb_find(JRB root, const void *,
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JRB jrb_find(JRB root, const void *key,
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int (*func)(const void *, const void *));
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int (*func)(const void *a, const void *b));
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/* returns an external node in t whose value is equal
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/* returns an external node in t whose value is equal
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k or whose value is the smallest value greater than k. Sets found to
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k or whose value is the smallest value greater than k. Sets found to
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1 if the key was found, and 0 otherwise. */
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1 if the key was found, and 0 otherwise. */
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extern JRB jrb_find_gte(JRB root, const void *key,
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JRB jrb_find_gte(JRB root, const void *key,
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int (*func)(const void *, const void *), int *found);
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int (*func)(const void *a, const void *b), int *found);
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/* Creates a node with key key and val val and inserts it into the
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/* Creates a node with key key and val val and inserts it into the
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tree before/after node nd. Does not check to ensure that you are
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tree before/after node nd. Does not check to ensure that you are
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keeping the correct order */
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keeping the correct order */
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extern void jrb_delete_node(JRB node); /* Deletes and frees a node (but
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void jrb_delete_node(JRB node); /* Deletes and frees a node (but
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not the key or val) */
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not the key or val) */
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extern void jrb_free_tree(JRB root); /* Deletes and frees an entire tree */
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void jrb_free_tree(JRB root); /* Deletes and frees an entire tree */
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extern void *jrb_val(JRB node); /* Returns node->v.val -- this is to shut
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void *jrb_val(JRB node); /* Returns node->v.val -- this is to shut
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lint up */
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lint up */
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extern int jrb_nblack(JRB n); /* returns # of black nodes in path from
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int jrb_nblack(JRB n); /* returns # of black nodes in path from
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n to the root */
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n to the root */
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int jrb_plength(JRB n); /* returns the # of nodes in path from
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int jrb_plength(JRB n); /* returns the # of nodes in path from
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n to the root */
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n to the root */
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#define jrb_first(n) ((n)->flink)
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#define jrb_first(n) ((n)->flink)
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#define jrb_last(n) ((n)->blink)
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#define jrb_last(n) ((n)->blink)
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@ -108,9 +108,9 @@ int jrb_plength(JRB n); /* returns the # of nodes in path from
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#endif
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#endif
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#define jrb_traverse(ptr, lst) \
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#define jrb_traverse(ptr, lst) \
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for(ptr = jrb_first(lst); ptr != jrb_nil(lst); ptr = jrb_next(ptr))
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for (ptr = jrb_first(lst); ptr != jrb_nil(lst); ptr = jrb_next(ptr))
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#define jrb_rtraverse(ptr, lst) \
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#define jrb_rtraverse(ptr, lst) \
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for(ptr = jrb_last(lst); ptr != jrb_nil(lst); ptr = jrb_prev(ptr))
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for (ptr = jrb_last(lst); ptr != jrb_nil(lst); ptr = jrb_prev(ptr))
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#endif
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#endif
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