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/* feature_list.c
* Routines for gathering and handling lists of present/absent features
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <wsutil/feature_list.h>
void
with_feature(feature_list l, const char *fmt, ...)
{
va_list arg;
GString *msg = g_string_new("+");
va_start(arg, fmt);
g_string_append_vprintf(msg, fmt, arg);
va_end(arg);
*l = g_list_prepend(*l, g_string_free(msg, FALSE));
}
void
without_feature(feature_list l, const char *fmt, ...)
{
va_list arg;
GString *msg = g_string_new("-");
va_start(arg, fmt);
g_string_append_vprintf(msg, fmt, arg);
va_end(arg);
*l = g_list_prepend(*l, g_string_free(msg, FALSE));
}
static gint
feature_sort_alpha(gconstpointer a, gconstpointer b)
{
return g_ascii_strcasecmp((gchar *)a + 1, (gchar *)b + 1);
}
void
sort_features(feature_list l)
{
*l = g_list_sort(*l, feature_sort_alpha);
}
void
free_features(feature_list l)
{
g_list_free_full(*l, g_free);
*l = NULL;
}
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