00001 // Copyright 2006 Benedikt Böhm <hollow@gentoo.org> 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the 00015 // Free Software Foundation, Inc., 00016 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 #include <stdlib.h> 00019 #include <unistd.h> 00020 00021 #include "io.h" 00022 #include "str.h" 00023 00024 int io_read_len(int fd, char **str, size_t len) 00025 { 00026 char *buf = calloc(len + 1, sizeof(char)); 00027 00028 ssize_t buflen = read(fd, buf, len); 00029 00030 if (buflen == -1) 00031 return -1; 00032 00033 if (buflen > 0) 00034 *str = str_dupn(buf, buflen); 00035 00036 free(buf); 00037 return buflen; 00038 }