project_files/frontlib/model/schemelist.c
author Medo <smaxein@googlemail.com>
Mon, 06 Aug 2012 22:31:02 +0200
changeset 7464 859ab6859854
parent 7320 e704706008d4
child 7482 d70a5b0d1190
permissions -rw-r--r--
frontlib: Removed reference counting from schemelist
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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#include "schemelist.h"
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#include "../util/inihelper.h"
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#include "../util/logging.h"
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#include "../util/util.h"
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#include "../util/refcounter.h"
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#include "../util/list.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <string.h>
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static char *makePrefixedName(int schemeIndex, const char *settingName) {
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	return flib_asprintf("%i\\%s", schemeIndex, settingName);
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}
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static int readSettingsFromIni(flib_ini *ini, flib_scheme *scheme, int index) {
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	flib_metascheme *meta = scheme->meta;
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	bool error = false;
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	for(int i=0; i<meta->settingCount && !error; i++) {
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		char *key = makePrefixedName(index, meta->settings[i].name);
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		if(!key) {
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			error = true;
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		} else if(flib_ini_get_int_opt(ini, &scheme->settings[i], key, meta->settings[i].def)) {
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			flib_log_e("Error reading setting %s in schemes file.", key);
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			error = true;
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		}
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		free(key);
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	}
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	return error;
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}
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static int readModsFromIni(flib_ini *ini, flib_scheme *scheme, int index) {
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	flib_metascheme *meta = scheme->meta;
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	bool error = false;
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	for(int i=0; i<meta->modCount && !error; i++) {
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		char *key = makePrefixedName(index, meta->mods[i].name);
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		if(!key) {
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			error = true;
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		} else if(flib_ini_get_bool_opt(ini, &scheme->mods[i], key, false)) {
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			flib_log_e("Error reading mod %s in schemes file.", key);
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			error = true;
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		}
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		free(key);
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	}
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	return error;
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}
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static flib_scheme *readSchemeFromIni(flib_metascheme *meta, flib_ini *ini, int index) {
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	flib_scheme *result = NULL;
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	char *schemeNameKey = makePrefixedName(index+1, "name");
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	if(schemeNameKey) {
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		char *schemeName = NULL;
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		if(!flib_ini_get_str_opt(ini, &schemeName, schemeNameKey, "Unnamed")) {
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			flib_scheme *scheme = flib_scheme_create(meta, schemeName);
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			if(scheme) {
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				if(!readSettingsFromIni(ini, scheme, index) && !readModsFromIni(ini, scheme, index)) {
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					result = flib_scheme_retain(scheme);
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				}
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			}
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			flib_scheme_release(scheme);
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		}
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		free(schemeName);
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	}
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	free(schemeNameKey);
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	return result;
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}
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static flib_schemelist *fromIniHandleError(flib_schemelist *result, flib_ini *ini) {
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	flib_ini_destroy(ini);
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	flib_schemelist_destroy(result);
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	return NULL;
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}
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flib_schemelist *flib_schemelist_from_ini(flib_metascheme *meta, const char *filename) {
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	if(log_badargs_if2(meta==NULL, filename==NULL)) {
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		return NULL;
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	}
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	flib_schemelist *list = NULL;
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	flib_ini *ini = flib_ini_load(filename);
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	if(!ini || flib_ini_enter_section(ini, "schemes")) {
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		flib_log_e("Missing file or missing section \"schemes\" in file %s.", filename);
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		return fromIniHandleError(list, ini);
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	}
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	list = flib_schemelist_create();
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	if(!list) {
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		return fromIniHandleError(list, ini);
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	}
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	int schemeCount = 0;
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	if(flib_ini_get_int(ini, &schemeCount, "size")) {
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		flib_log_e("Missing or malformed scheme count in config file %s.", filename);
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		return fromIniHandleError(list, ini);
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	}
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	for(int i=0; i<schemeCount; i++) {
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		flib_scheme *scheme = readSchemeFromIni(meta, ini, i);
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		if(!scheme || flib_schemelist_insert(list, scheme, i)) {
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			flib_scheme_release(scheme);
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			flib_log_e("Error reading scheme %i from config file %s.", i, filename);
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			return fromIniHandleError(list, ini);
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		}
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		flib_scheme_release(scheme);
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	}
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	flib_ini_destroy(ini);
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	return list;
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}
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static int writeSchemeToIni(flib_scheme *scheme, flib_ini *ini, int index) {
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	flib_metascheme *meta = scheme->meta;
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	bool error = false;
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	char *key = makePrefixedName(index+1, "name");
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	error |= !key || flib_ini_set_str(ini, key, scheme->name);
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	free(key);
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	for(int i=0; i<meta->modCount && !error; i++) {
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		char *key = makePrefixedName(index+1, meta->mods[i].name);
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		error |= !key || flib_ini_set_bool(ini, key, scheme->mods[i]);
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		free(key);
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	}
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	for(int i=0; i<meta->settingCount && !error; i++) {
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		char *key = makePrefixedName(index+1, meta->settings[i].name);
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		error |= !key || flib_ini_set_int(ini, key, scheme->settings[i]);
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		free(key);
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	}
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	return error;
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}
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int flib_schemelist_to_ini(const char *filename, const flib_schemelist *schemes) {
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	int result = -1;
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	if(!log_badargs_if2(filename==NULL, schemes==NULL)) {
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		flib_ini *ini = flib_ini_create(NULL);
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		if(ini && !flib_ini_create_section(ini, "schemes")) {
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			bool error = false;
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			error |= flib_ini_set_int(ini, "size", schemes->schemeCount);
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			for(int i=0; i<schemes->schemeCount && !error; i++) {
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				error |= writeSchemeToIni(schemes->schemes[i], ini, i);
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			}
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			if(!error) {
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				result = flib_ini_save(ini, filename);
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			}
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		}
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		flib_ini_destroy(ini);
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	}
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	return result;
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}
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flib_schemelist *flib_schemelist_create() {
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	return flib_calloc(1, sizeof(flib_schemelist));
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}
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void flib_schemelist_destroy(flib_schemelist *list) {
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	if(list) {
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		for(int i=0; i<list->schemeCount; i++) {
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			flib_scheme_release(list->schemes[i]);
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		}
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		free(list->schemes);
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		free(list);
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	}
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}
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flib_scheme *flib_schemelist_find(flib_schemelist *list, const char *name) {
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	if(!log_badargs_if2(list==NULL, name==NULL)) {
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		for(int i=0; i<list->schemeCount; i++) {
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			if(!strcmp(name, list->schemes[i]->name)) {
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				return list->schemes[i];
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			}
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		}
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	}
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	return NULL;
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}
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GENERATE_STATIC_LIST_INSERT(insertScheme, flib_scheme*)
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GENERATE_STATIC_LIST_DELETE(deleteScheme, flib_scheme*)
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int flib_schemelist_insert(flib_schemelist *list, flib_scheme *cfg, int pos) {
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	if(!log_badargs_if2(list==NULL, cfg==NULL)
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			&& !insertScheme(&list->schemes, &list->schemeCount, cfg, pos)) {
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		flib_scheme_retain(cfg);
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		return 0;
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	}
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	return -1;
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}
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int flib_schemelist_delete(flib_schemelist *list, int pos) {
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	if(!log_badargs_if(list==NULL)) {
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		flib_scheme *elem = list->schemes[pos];
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		if(!deleteScheme(&list->schemes, &list->schemeCount, pos)) {
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			flib_scheme_release(elem);
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			return 0;
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		}
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	}
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	return -1;
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}