Replaced the internally used linked list with a call to the hashmap

module.  Code reuse is a good thing.
This commit is contained in:
Robert James Kaes 2002-04-09 20:04:39 +00:00
parent 607e4c4c6c
commit 7409281e34

View File

@ -1,8 +1,7 @@
/* $Id: anonymous.c,v 1.10 2001-12-15 20:02:59 rjkaes Exp $
/* $Id: anonymous.c,v 1.11 2002-04-09 20:04:39 rjkaes Exp $
*
* Handles insertion and searches for headers which should be let through when
* the anonymous feature is turned on. The headers are stored in a linked
* list.
* the anonymous feature is turned on.
*
* Copyright (C) 2000 Robert James Kaes (rjkaes@flarenet.com)
*
@ -20,51 +19,33 @@
#include "tinyproxy.h"
#include "anonymous.h"
#include "hashmap.h"
#include "log.h"
#include "utils.h"
/*
* Structure holding the various anonymous headers.
*/
struct anonymous_header_s {
char *header;
struct anonymous_header_s *next;
};
struct anonymous_header_s *anonymous_root = NULL;
static hashmap_t anonymous_map = NULL;
inline short int
short int
is_anonymous_enabled(void)
{
return (anonymous_root) ? 1 : 0;
return (anonymous_map != NULL) ? 1 : 0;
}
/*
* Search through the linked list for the header. If it's found return 0
* Search for the header. If it's found return 0
* else return -1.
*/
int
anonymous_search(char *s)
{
struct anonymous_header_s *ptr = anonymous_root;
assert(s != NULL);
assert(anonymous_root != NULL);
assert(anonymous_map != NULL);
while (ptr) {
if (ptr->header) {
if (strcasecmp(ptr->header, s) == 0)
return 0;
} else
return -1;
ptr = ptr->next;
}
return -1;
return (hashmap_search(anonymous_map, s, NULL) > 0) ? 0 : -1;
}
/*
* Insert a new header into the linked list.
* Insert a new header.
*
* Return -1 if there is an error, 0 if the string already exists, and 1 if
* it's been inserted.
@ -72,39 +53,23 @@ anonymous_search(char *s)
int
anonymous_insert(char *s)
{
struct anonymous_header_s *ptr;
struct anonymous_header_s **prev_ptr;
int len;
char data = 1;
assert(s != NULL);
if (!anonymous_root) {
anonymous_root = safemalloc(sizeof(struct anonymous_header_s));
if (!anonymous_root)
if (!anonymous_map) {
anonymous_map = hashmap_create(32);
if (!anonymous_map)
return -1;
anonymous_root->header = strdup(s);
anonymous_root->next = NULL;
} else {
ptr = anonymous_root;
while (ptr) {
if (ptr->header) {
if (strcasecmp(ptr->header, s) == 0)
return 0;
}
prev_ptr = &ptr;
ptr = ptr->next;
}
ptr = (*prev_ptr)->next
= safemalloc(sizeof(struct anonymous_header_s));
if (!ptr)
return -1;
ptr->header = strdup(s);
ptr->next = NULL;
}
return 1;
if (hashmap_search(anonymous_map, s, NULL) > 0) {
/* The key was already found, so return a positive number. */
return 0;
}
/* Insert the new key */
len = hashmap_insert(anonymous_map, s, &data, sizeof(data));
return (len == 0) ? 1 : len;
}