#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "sudo_compat.h"
#include "sudo_queue.h"
#include "sudo_util.h"
#include "sudoers_debug.h"
#include "strlist.h"
struct sudoers_string *
sudoers_string_alloc(const char *s)
{
struct sudoers_string *cs;
debug_decl(sudoers_string_alloc, SUDOERS_DEBUG_UTIL)
if ((cs = malloc(sizeof(*cs))) != NULL) {
if ((cs->str = strdup(s)) == NULL) {
free(cs);
cs = NULL;
}
}
debug_return_ptr(cs);
}
void
sudoers_string_free(struct sudoers_string *cs)
{
if (cs != NULL) {
free(cs->str);
free(cs);
}
}
struct sudoers_str_list *
str_list_alloc(void)
{
struct sudoers_str_list *strlist;
debug_decl(str_list_alloc, SUDOERS_DEBUG_UTIL)
strlist = malloc(sizeof(*strlist));
if (strlist != NULL) {
STAILQ_INIT(strlist);
strlist->refcnt = 1;
}
debug_return_ptr(strlist);
}
void
str_list_free(void *v)
{
struct sudoers_str_list *strlist = v;
struct sudoers_string *first;
debug_decl(str_list_free, SUDOERS_DEBUG_UTIL)
if (strlist != NULL) {
if (--strlist->refcnt == 0) {
while ((first = STAILQ_FIRST(strlist)) != NULL) {
STAILQ_REMOVE_HEAD(strlist, entries);
sudoers_string_free(first);
}
free(strlist);
}
}
debug_return;
}