1294109Sbapt#include "config.h" 2294109Sbapt 3294109Sbapt#if HAVE_GETLINE 4294109Sbapt 5294109Sbaptint dummy; 6294109Sbapt 7294109Sbapt#else 8294109Sbapt 9294109Sbapt/* $Id: compat_getline.c,v 1.1 2015/11/07 20:52:52 schwarze Exp $ */ 10294109Sbapt/* 11294109Sbapt * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org> 12294109Sbapt * 13294109Sbapt * Permission to use, copy, modify, and distribute this software for any 14294109Sbapt * purpose with or without fee is hereby granted, provided that the above 15294109Sbapt * copyright notice and this permission notice appear in all copies. 16294109Sbapt * 17294109Sbapt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 18294109Sbapt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 19294109Sbapt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 20294109Sbapt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 21294109Sbapt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 22294109Sbapt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 23294109Sbapt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 24294109Sbapt */ 25294109Sbapt 26294109Sbapt#include <sys/types.h> 27294109Sbapt#include <errno.h> 28294109Sbapt#include <stdio.h> 29294109Sbapt#include <stdlib.h> 30294109Sbapt 31294109Sbaptssize_t 32294109Sbaptgetline(char **buf, size_t *bufsz, FILE *fp) 33294109Sbapt{ 34294109Sbapt char *nbuf; 35294109Sbapt size_t nbufsz, pos; 36294109Sbapt int c; 37294109Sbapt 38294109Sbapt if (buf == NULL || bufsz == NULL) { 39294109Sbapt errno = EINVAL; 40294109Sbapt return -1; 41294109Sbapt } 42294109Sbapt 43294109Sbapt if (*buf == NULL) 44294109Sbapt *bufsz = 0; 45294109Sbapt else 46294109Sbapt **buf = '\0'; 47294109Sbapt 48294109Sbapt pos = 0; 49294109Sbapt for (;;) { 50294109Sbapt if (pos + 1 >= *bufsz) { 51294109Sbapt nbufsz = *bufsz ? *bufsz * 2 : BUFSIZ; 52294109Sbapt if ((nbuf = realloc(*buf, nbufsz)) == NULL) 53294109Sbapt return -1; 54294109Sbapt *buf = nbuf; 55294109Sbapt *bufsz = nbufsz; 56294109Sbapt } 57294109Sbapt if ((c = fgetc(fp)) == EOF) { 58294109Sbapt (*buf)[pos] = '\0'; 59294109Sbapt return pos > 0 && feof(fp) ? (ssize_t)pos : -1; 60294109Sbapt } 61294109Sbapt (*buf)[pos++] = c; 62294109Sbapt (*buf)[pos] = '\0'; 63294109Sbapt if (c == '\n') 64294109Sbapt return pos; 65294109Sbapt } 66294109Sbapt} 67294109Sbapt 68294109Sbapt#endif 69