read.c (1001B)
1 /* 2 * Copyright 2022 Jacob R. Edwards 3 * 4 * ap -- audio player 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <https://www.gnu.org/licenses/>. 18 */ 19 20 #include <sys/socket.h> 21 22 #include "buf.h" 23 24 ssize_t 25 bufread(struct buf *buf, int fd, size_t space) 26 { 27 ssize_t len; 28 29 if (bufenlarge(buf, space)) 30 return -1; 31 len = recv(fd, buf->data + buf->len, buf->size - buf->len, 0); 32 if (len <= 0) 33 return len; 34 buf->len += len; 35 return len; 36 }