89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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* conflists.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later WITH OpenSSL-exception
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*/
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#include "config.h"
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#include "common.h"
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#include "log.h"
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#include <string.h>
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#include <glib.h>
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gboolean
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conf_string_list_add(GKeyFile* keyfile, const char* const group, const char* const key, const char* const item)
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{
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if (!item) {
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log_warning("Invalid parameter in `conf_string_list_add`: item is NULL. group=%s, key=%s", group, key);
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return FALSE;
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}
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gsize length;
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auto_gcharv gchar** list = g_key_file_get_string_list(keyfile, group, key, &length, NULL);
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if (!list) {
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const gchar* new_list[2] = { item, NULL };
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g_key_file_set_string_list(keyfile, group, key, new_list, 1);
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return TRUE;
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}
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// Check if item is already in the list
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for (gsize i = 0; i < length; ++i) {
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if (strcmp(list[i], item) == 0) {
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return FALSE;
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}
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}
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// Add item to the existing list
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const gchar** new_list = g_new(const gchar*, length + 2);
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memcpy(new_list, list, sizeof(list[0]) * length);
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new_list[length] = item;
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new_list[length + 1] = NULL;
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g_key_file_set_string_list(keyfile, group, key, new_list, length + 1);
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g_free(new_list);
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return TRUE;
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}
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gboolean
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conf_string_list_remove(GKeyFile* keyfile, const char* const group, const char* const key, const char* const item)
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{
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gsize length;
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auto_gcharv gchar** list = g_key_file_get_string_list(keyfile, group, key, &length, NULL);
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if (!list) {
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return FALSE;
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}
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gsize new_length = 0;
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const gchar** new_list = g_new(const gchar*, length + 1);
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gboolean deleted = FALSE;
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for (gsize i = 0; i < length; i++) {
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if (strcmp(list[i], item) == 0) {
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deleted = TRUE;
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continue;
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}
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new_list[new_length++] = list[i];
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}
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new_list[new_length] = NULL;
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if (deleted) {
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if (new_length == 0) {
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g_key_file_remove_key(keyfile, group, key, NULL);
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} else {
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g_key_file_set_string_list(keyfile, group, key, new_list, new_length);
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}
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}
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g_free(new_list);
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return deleted;
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}
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