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/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* CHANGED FOR VMS */
/*
* <getline.c>
**
** HISTORY:
** 8 Jul 94 FM Include "HTUtils.h" for memory allocation and free()
** substitutions with VAXC on VMS.
**
*/
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "HTUtils.h"
/* Read up to (and including) a newline from STREAM into *LINEPTR
(and null-terminate it). *LINEPTR is a pointer returned from malloc (or
NULL), pointing to *N characters of space. It is realloc'd as
necessary. Returns the number of characters read (not including the
null terminator), or -1 on error or EOF. */
int getline(char **lineptr, size_t *n, FILE *stream)
{
static char line[256];
char *ptr;
unsigned int len;
if (lineptr == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
if (ferror (stream))
return -1;
if (feof(stream))
return -1;
fgets(line,256,stream);
ptr = strchr(line,'\n');
if (ptr)
*ptr = '\0';
len = strlen(line);
if ((len+1) < 256)
{
ptr = realloc(*lineptr, 256);
if (ptr == NULL)
return(-1);
*lineptr = ptr;
*n = 256;
}
strcpy(*lineptr,line);
return(len);
}
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