1234353Sdim#include "config.h" 2212795Sdim 3212795Sdim#if HAVE_GETLINE 4212795Sdim 5212795Sdimint dummy; 6212795Sdim 7212795Sdim#else 8212795Sdim 9212795Sdim/* Id: compat_getline.c,v 1.1 2015/11/07 20:52:52 schwarze Exp */ 10212795Sdim/* 11212795Sdim * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org> 12212795Sdim * 13212795Sdim * Permission to use, copy, modify, and distribute this software for any 14212795Sdim * purpose with or without fee is hereby granted, provided that the above 15212795Sdim * copyright notice and this permission notice appear in all copies. 16239462Sdim * 17249423Sdim * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 18212795Sdim * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 19212795Sdim * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 20212795Sdim * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 21249423Sdim * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 22249423Sdim * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 23212795Sdim * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 24212795Sdim */ 25212795Sdim 26212795Sdim#include <sys/types.h> 27212795Sdim#include <errno.h> 28212795Sdim#include <stdio.h> 29212795Sdim#include <stdlib.h> 30212795Sdim 31212795Sdimssize_t 32212795Sdimgetline(char **buf, size_t *bufsz, FILE *fp) 33212795Sdim{ 34212795Sdim char *nbuf; 35212795Sdim size_t nbufsz, pos; 36212795Sdim int c; 37212795Sdim 38263508Sdim if (buf == NULL || bufsz == NULL) { 39212795Sdim errno = EINVAL; 40212795Sdim return -1; 41212795Sdim } 42212795Sdim 43212795Sdim if (*buf == NULL) 44212795Sdim *bufsz = 0; 45212795Sdim else 46212795Sdim **buf = '\0'; 47212795Sdim 48212795Sdim pos = 0; 49212795Sdim for (;;) { 50212795Sdim if (pos + 1 >= *bufsz) { 51212795Sdim nbufsz = *bufsz ? *bufsz * 2 : BUFSIZ; 52212795Sdim if ((nbuf = realloc(*buf, nbufsz)) == NULL) 53212795Sdim return -1; 54212795Sdim *buf = nbuf; 55212795Sdim *bufsz = nbufsz; 56212795Sdim } 57212795Sdim if ((c = fgetc(fp)) == EOF) { 58212795Sdim (*buf)[pos] = '\0'; 59212795Sdim return pos > 0 && feof(fp) ? (ssize_t)pos : -1; 60212795Sdim } 61212795Sdim (*buf)[pos++] = c; 62212795Sdim (*buf)[pos] = '\0'; 63212795Sdim if (c == '\n') 64212795Sdim return pos; 65212795Sdim } 66221345Sdim} 67221345Sdim 68212795Sdim#endif 69212795Sdim