66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
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* Copyright (c) 2019, 2020 Alex-David Denes
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*
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* uIRC is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* uIRC 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 uIRC. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "assemblers.h" // Assm_user()
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#include "types.h" // IRC_User
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#include <assert.h> // assert()
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#include <stdbool.h> // bool
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#include <stdio.h> // NULL snprintf()
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#include <sys/types.h> // size_t
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ssize_t
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uirc_assembler_user(char* buf, const IRC_User* u, size_t len)
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{
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assert(buf != NULL);
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assert(u != NULL);
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char* const sv = buf;
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if (u->nick != NULL) {
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if (len < 1) return -1;
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int res;
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if ((res = snprintf(buf, len, "%s", u->nick)) >= 0) {
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buf += (size_t) res;
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len -= (size_t) res;
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} else
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return -1;
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}
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if (u->user != NULL) {
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if (len < 1) return -1;
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int res;
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if ((res = snprintf(buf, len, "!%s", u->user)) >= 0) {
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buf += (size_t) res;
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len -= (size_t) res;
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} else
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return -1;
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}
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if (u->host != NULL) {
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if (len < 1) return -1;
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int res;
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if ((res = snprintf(buf, len, (u->nick != NULL || u->user != NULL) ? "@%s" : "%s", u->host)) >= 0) {
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buf += (size_t) res;
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len -= (size_t) res;
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} else
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return -1;
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}
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return buf - sv;
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}
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