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/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "string-list.h"
/* The aim of this module is to support the grammar to parse string lists
* into simple linked lists. Items can contain special values denoted by
* integers. We probably could find a _much_ nicer solution than this, I am
* just extracting it from misc.c to its separate module. -- Bazsi */
/*
* NOTE: pointer values below 0x1000 (4096) are taken as special values used
* by the application code and are not duplicated, but assumed to be literal
* tokens.
*/
GList *
string_list_clone(const GList *string_list)
{
GList *cloned = NULL;
const GList *l;
for (l = string_list; l; l = l->next)
cloned = g_list_append(cloned, (gulong)(l->data) > 4096 ? g_strdup(l->data) : l->data);
return cloned;
}
GList *
string_array_to_list(const gchar *strlist[])
{
gint i;
GList *l = NULL;
for (i = 0; strlist[i]; i++)
{
l = g_list_prepend(l, g_strdup(strlist[i]));
}
return g_list_reverse(l);
}
GList *
string_vargs_to_list_va(const gchar *str, va_list va)
{
GList *p = NULL;
while (str)
{
p = g_list_append(p, g_strdup(str));
str = va_arg(va, const gchar *);
}
return p;
}
GList *
string_vargs_to_list(const gchar *str, ...)
{
va_list va;
va_start(va, str);
GList *p = string_vargs_to_list_va(str, va);
va_end(va);
return p;
}
/*
* NOTE: pointer values below 0x1000 (4096) are taken as special
* values used by the application code and are not freed. Since this
* is the NULL page, this should not cause memory leaks.
*/
static void
_free_valid_str_pointers(gpointer data)
{
/* some of the string lists use invalid pointer values as special
* items, see SQL "default" item */
if ((gulong)data > 4096)
g_free(data);
}
void
string_list_free(GList *l)
{
g_list_free_full(l, _free_valid_str_pointers);
}
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