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/*
* Copyright (c) 2022 Egor Tensin <Egor.Tensin@gmail.com>
* This file is part of the "cimple" project.
* For details, see https://github.com/egor-tensin/cimple.
* Distributed under the MIT License.
*/
#include "run_queue.h"
#include "log.h"
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
struct run_queue_entry {
char *url;
char *rev;
STAILQ_ENTRY(run_queue_entry) entries;
};
int run_queue_entry_create(struct run_queue_entry **_entry, const char *_url, const char *_rev)
{
struct run_queue_entry *entry = malloc(sizeof(struct run_queue_entry));
if (!entry) {
log_errno("malloc");
goto fail;
}
char *url = strdup(_url);
if (!url) {
log_errno("strdup");
goto free_entry;
}
char *rev = strdup(_rev);
if (!rev) {
log_errno("strdup");
goto free_url;
}
entry->url = url;
entry->rev = rev;
*_entry = entry;
return 0;
free_url:
free(url);
free_entry:
free(entry);
fail:
return -1;
}
void run_queue_entry_destroy(struct run_queue_entry *entry)
{
free(entry->rev);
free(entry->url);
free(entry);
}
const char *run_queue_entry_get_url(const struct run_queue_entry *entry)
{
return entry->url;
}
const char *run_queue_entry_get_rev(const struct run_queue_entry *entry)
{
return entry->rev;
}
void run_queue_create(struct run_queue *queue)
{
STAILQ_INIT(queue);
}
void run_queue_destroy(struct run_queue *queue)
{
struct run_queue_entry *entry1 = STAILQ_FIRST(queue);
while (entry1) {
struct run_queue_entry *entry2 = STAILQ_NEXT(entry1, entries);
run_queue_entry_destroy(entry1);
entry1 = entry2;
}
STAILQ_INIT(queue);
}
int run_queue_is_empty(const struct run_queue *queue)
{
return STAILQ_EMPTY(queue);
}
void run_queue_add_last(struct run_queue *queue, struct run_queue_entry *entry)
{
STAILQ_INSERT_TAIL(queue, entry, entries);
}
void run_queue_add_first(struct run_queue *queue, struct run_queue_entry *entry)
{
STAILQ_INSERT_HEAD(queue, entry, entries);
}
struct run_queue_entry *run_queue_remove_first(struct run_queue *queue)
{
struct run_queue_entry *entry = STAILQ_FIRST(queue);
STAILQ_REMOVE_HEAD(queue, entries);
return entry;
}
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