uIRC/src/memory/allocators.c

/*
 *  This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
 *  Copyright (c) 2019, 2020 Alex-David Denes
 *
 *  uIRC is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  uIRC 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with uIRC.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "memory.h"
#include "types.h" // IRC_*

#include <assert.h>             // assert()
#include <corelibs/llist.h>     // llist_t remove_linked_list_elem()
#include <corelibs/stringext.h> // malloc_string()
#include <stdarg.h>             // va_*() va_list
#include <stdlib.h>             // free()
#include <string.h>             // strcpy()

IRC_Tag*
uirc_malloc_tag(const char* key, const char* value)
{
	IRC_Tag* ret;
	assert(key != NULL);
	if ((ret = malloc(sizeof(IRC_Tag))) != NULL) {
		memset(ret, 0, sizeof(IRC_Tag));
		if ((ret->key = malloc_string(key, strlen(key))) == NULL) {
			uirc_free_tag(ret);
			return NULL;
		}
		if (value != NULL) {
			if ((ret->value = malloc_string(value, strlen(value))) == NULL) {
				uirc_free_tag(ret);
				return NULL;
			}
		}
		return ret;
	}
	return NULL;
}

IRC_Capability*
uirc_malloc_capability(const char* name)
{
	IRC_Capability* ret;
	assert(name != NULL);
	if ((ret = malloc(sizeof(IRC_Capability))) != NULL) {
		memset(ret, 0, sizeof(IRC_Capability));
		if ((ret->name = malloc_string(name, strlen(name))) == NULL) {
			uirc_free_capability(ret);
			return NULL;
		}
		return ret;
	}
	return NULL;
}

IRC_User*
uirc_malloc_user(const char* nick, const char* user, const char* real, const char* host)
{
	IRC_User* ret;
	if ((ret = malloc(sizeof(IRC_User))) != NULL) {
		memset(ret, 0, sizeof(IRC_User));
		if (nick != NULL) {
			if ((ret->nick = malloc_string(nick, strlen(nick))) == NULL) {
				uirc_free_user(ret);
				return NULL;
			}
		}
		if (user != NULL) {
			if ((ret->user = malloc_string(user, strlen(user))) == NULL) {
				uirc_free_user(ret);
				return NULL;
			}
		}
		if (real != NULL) {
			if ((ret->real = malloc_string(real, strlen(real))) == NULL) {
				uirc_free_user(ret);
				return NULL;
			}
		}
		if (host != NULL) {
			if ((ret->host = malloc_string(host, strlen(host))) == NULL) {
				uirc_free_user(ret);
				return NULL;
			}
		}
		return ret;
	}
	return NULL;
}

IRC_Message*
uirc_malloc_message(const char* command, ...)
{
	IRC_Message* ret;
	assert(command != NULL);
	if ((ret = malloc(sizeof(IRC_Capability))) != NULL) {
		memset(ret, 0, sizeof(IRC_Capability));
		if ((ret->command = malloc_string(command, strlen(command))) == NULL) {
			uirc_free_message(ret);
			return NULL;
		}
		return ret;
	}
	va_list ap;
	va_start(ap, command);
	for (unsigned short i = 0; i < IRC_MAXARGS; i++) {
		const char* carg = NULL;
		if ((carg = va_arg(ap, const char*)) != NULL) {
			if ((ret->args[i] = malloc_string(carg, strlen(carg))) == NULL) {
				uirc_free_message(ret);
				return NULL;
			}
		}
	}
	va_end(ap);
	return NULL;
}

IRC_Buffer*
uirc_malloc_buffer(const char* name, const char* topic, const char* key)
{
	IRC_Buffer* ret;
	assert(name != NULL);
	if ((ret = malloc(sizeof(IRC_Buffer))) != NULL) {
		memset(ret, 0, sizeof(IRC_Buffer));
		if ((ret->name = malloc_string(name, strlen(name))) == NULL) {
			uirc_free_buffer(ret);
			return NULL;
		}
		if (topic != NULL) {
			if ((ret->topic = malloc_string(topic, strlen(topic))) == NULL) {
				uirc_free_buffer(ret);
				return NULL;
			}
		}
		if (key != NULL) {
			if ((ret->key = malloc_string(key, strlen(key))) == NULL) {
				uirc_free_buffer(ret);
				return NULL;
			}
		}
		return ret;
	}
	return NULL;
}

IRC_Network*
uirc_malloc_network(const char* addr, const char* svc, const char* pass, const char* quitmsg)
{
	IRC_Network* ret;
	assert(addr != NULL);
	assert(svc != NULL);
	if ((ret = malloc(sizeof(IRC_Network))) != NULL) {
		memset(ret, 0, sizeof(IRC_Network));
		if ((ret->addr = malloc_string(addr, strlen(addr))) == NULL) {
			uirc_free_network(ret);
			return NULL;
		}
		if ((ret->svc = malloc_string(svc, strlen(svc))) == NULL) {
			uirc_free_network(ret);
			return NULL;
		}
		if (pass != NULL) {
			if ((ret->pass = malloc_string(pass, strlen(svc))) == NULL) {
				uirc_free_network(ret);
				return NULL;
			}
		}
		if (quitmsg != NULL) {
			if ((ret->quitmsg = malloc_string(quitmsg, strlen(quitmsg))) == NULL) {
				uirc_free_network(ret);
				return NULL;
			}
		}
		return ret;
	}
	return NULL;
}