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/*
* Copyright 2003-2007 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/libq/xarray.c,v 1.1 2011/10/03 16:18:25 vapier Exp $
*
* Copyright 2003-2007 Ned Ludd - <solar@gentoo.org>
* Copyright 2004-2007 Mike Frysinger - <vapier@gentoo.org>
*/
typedef struct {
void **eles;
size_t num;
} array_t;
#define xrealloc_array(ptr, size, ele_size) xrealloc(ptr, (size) * (ele_size))
#define array_for_each(arr, n, ele) \
for (n = 0, ele = arr->eles[n]; n < arr->num; ++n, ele = arr->eles[n])
#define array_init_decl { .eles = NULL, .num = 0, }
#define array_cnt(arr) (arr)->num
#define DECLARE_ARRAY(arr) array_t _##arr = array_init_decl, *arr = &_##arr
static void xarraypush(array_t *arr, const void *ele, size_t ele_len)
{
size_t n = arr->num++;
arr->eles = xrealloc_array(arr->eles, arr->num, sizeof(ele));
arr->eles[n] = xmemdup(ele, ele_len);
}
#define xarraypush_str(arr, ele) xarraypush(arr, ele, strlen(ele) + 1 /*NUL*/)
static void xarrayfree(array_t *arr)
{
array_t blank = array_init_decl;
size_t n;
for (n = 0; n < arr->num; ++n)
free(arr->eles[n]);
free(arr->eles);
*arr = blank;
}
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