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#include "conf.h"
#include "array.h"
#include "log.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
RCSID("$Id: array.c,v 1.10 2000/10/17 23:38:27 shmit Exp $");
string_t *
string_new(int slen, char *strdata)
{
string_t *tmp;
tmp = malloc(sizeof(string_t));
if (tmp == NULL) {
log_err("Couldn't allocate data for string: %s.",
strerror(errno));
return NULL;
}
tmp->str = malloc(slen * sizeof(char *));
if (tmp->str == NULL) {
log_err("Couldn't allocate string data: %s.",
strerror(errno));
return NULL;
}
memcpy(tmp->str, strdata, slen);
tmp->strlen = slen;
return tmp;
}
void
string_delete(string_t *string)
{
if (string == NULL)
return;
if (string->str != NULL)
free(string->str);
string->strlen = 0;
string->str = NULL;
free(string);
}
array_t *
array_new()
{
array_t *tmp;
tmp = malloc(sizeof(array_t));
if (tmp == NULL)
return NULL;
tmp->nitems = 0;
tmp->items = NULL;
return tmp;
}
void
array_delete(array_t *aa)
{
int i;
if (aa == NULL)
return;
for (i = 0; i < aa->nitems; i++)
string_delete(aa->items[i]);
free(aa->items);
aa->items = NULL;
free(aa);
}
int
va_array_add(array_t *aa, va_list ap)
{
const int GRANULARITY = 10;
int slen;
char *s;
slen = va_arg(ap, int);
if (slen != ARRTERM)
s = va_arg(ap, char *);
else
s = NULL;
while (s) {
if (aa->nitems % GRANULARITY == 0) {
aa->items = realloc(aa->items, sizeof(string_t *) *
(GRANULARITY + aa->nitems));
if (aa->items == NULL)
return -1;
}
aa->nitems++;
aa->items[aa->nitems-1] = string_new(slen, s);
if (aa->items[aa->nitems-1] == NULL)
return -1;
slen = va_arg(ap, int);
if (slen != ARRTERM)
s = va_arg(ap, char *);
else
s = NULL;
}
return 0;
}
int
array_add(array_t *aa, ...)
{
va_list ap;
int rc;
va_start(ap, aa);
rc = va_array_add(aa, ap);
va_end(ap);
return rc;
}
int
array_dup(array_t *dst, array_t *src)
{
int i;
if (dst == NULL)
return -1;
dst->nitems = src->nitems;
dst->items = malloc(dst->nitems * sizeof(string_t *));
if (dst->items == NULL) {
log_err("Couldn't allocate dup array items list: %s.",
strerror(errno));
return -1;
}
for (i = 0; i < dst->nitems; i++) {
dst->items[i] = string_new(src->items[i]->strlen,
src->items[i]->str);
if (dst->items[i] == NULL) {
dst->nitems = i;
return -1;
}
}
return 0;
}
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