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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1985 AT&T
* All Rights Reserved
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "wish.h"
#include "terror.h"
#define PADNUM 20
/*
* read in the file
*/
char *
readfile(file, trans_nl)
char *file;
int trans_nl;
{
FILE *fp;
register int retval, padding, ch;
register char *tptr;
char *text;
unsigned int bufsize;
struct stat statbuf;
if (access(file, 0) < 0)
return(NULL);
if ((fp = fopen(file, "r")) == NULL || fstat(fileno(fp), &statbuf) < 0) {
error(NOPEN, file);
return(NULL);
}
if ((text = malloc(bufsize = statbuf.st_size + PADNUM + 1)) == NULL)
fatal(NOMEM, NULL);
padding = PADNUM;
for (tptr = text; (ch = getc(fp)) != EOF; tptr++) {
if ((*tptr = ch) == '\n' && trans_nl == TRUE) {
*tptr = ' ';
if (tptr == text)
continue;
switch(*(tptr - 1)) { /* check char before newline */
case '.':
case '?':
case ':':
case '!':
/* add an extra blank */
if (padding-- <= 0) {
/* just in case */
unsigned offset;
offset = tptr - text;
if ((text = realloc(text, bufsize += PADNUM)) == NULL)
fatal(NOMEM, NULL);
padding = PADNUM;
tptr = text + offset;
}
*(++tptr) = ' ';
break;
default:
;
}
}
}
*tptr = '\0';
fclose(fp);
return(text);
}
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