buffered-read.c (1441B)
1 /* -*-comment-start: "//";comment-end:""-*- 2 * GNU Mes --- Maxwell Equations of Software 3 * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> 4 * 5 * This file is part of GNU Mes. 6 * 7 * GNU Mes is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3 of the License, or (at 10 * your option) any later version. 11 * 12 * GNU Mes is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include <mes/lib.h> 22 #include <fcntl.h> 23 24 ssize_t 25 read (int filedes, void *buffer, size_t size) 26 { 27 ssize_t bytes = __buffered_read (filedes, buffer, size); 28 if (__mes_debug () > 4) 29 { 30 if (bytes == 1) 31 { 32 eputs ("read fd="); 33 eputs (itoa ((int) filedes)); 34 eputs (" c="); 35 eputc (*(char *) buffer); 36 eputs ("\n"); 37 } 38 else 39 { 40 eputs ("read fd="); 41 eputs (itoa ((int) filedes)); 42 eputs (" bytes="); 43 eputs (itoa (bytes)); 44 eputs ("\n"); 45 } 46 } 47 return bytes; 48 }