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Merge branch 'skip' of https://github.com/mapbox/tippecanoe into skip

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This commit is contained in:
Eric Fischer 2015-07-08 12:26:01 -07:00
commit 0ff6819efb
2 changed files with 21 additions and 10 deletions
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29
pool.c
View File

@ -2,11 +2,23 @@
#include <string.h>
#include "pool.h"
static struct pool_val *pool1(struct pool *p, char *s, int type, int (*compare)(const char *, const char *)) {
struct pool_val **v = &(p->vals);
#define POOL_WIDTH 256
static int hash(char *s) {
int h = 0;
for (; *s; s++) {
h = h * 37 + *s;
}
h = h & 0xFF;
return h;
}
struct pool_val *pool(struct pool *p, char *s, int type) {
int h = hash(s);
struct pool_val **v = &(p->vals[h]);
while (*v != NULL) {
int cmp = compare(s, (*v)->s);
int cmp = strcmp(s, (*v)->s);
if (cmp == 0) {
cmp = type - (*v)->type;
@ -41,7 +53,8 @@ static struct pool_val *pool1(struct pool *p, char *s, int type, int (*compare)(
}
int is_pooled(struct pool *p, char *s, int type) {
struct pool_val **v = &(p->vals);
int h = hash(s);
struct pool_val **v = &(p->vals[h]);
while (*v != NULL) {
int cmp = strcmp(s, (*v)->s);
@ -62,10 +75,6 @@ int is_pooled(struct pool *p, char *s, int type) {
return 0;
}
struct pool_val *pool(struct pool *p, char *s, int type) {
return pool1(p, s, type, strcmp);
}
void pool_free1(struct pool *p, void (*func)(void *)) {
while (p->head != NULL) {
if (func != NULL) {
@ -79,6 +88,8 @@ void pool_free1(struct pool *p, void (*func)(void *)) {
p->head = NULL;
p->tail = NULL;
free(p->vals);
p->vals = NULL;
}
@ -92,7 +103,7 @@ void pool_free_strings(struct pool *p) {
void pool_init(struct pool *p, int n) {
p->n = n;
p->vals = NULL;
p->vals = calloc(POOL_WIDTH, sizeof(struct pool_val *));
p->head = NULL;
p->tail = NULL;
}

2
pool.h
View File

@ -10,7 +10,7 @@ struct pool_val {
};
struct pool {
struct pool_val *vals;
struct pool_val **vals;
struct pool_val *head;
struct pool_val *tail;