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/* $OpenBSD: getcom.c,v 1.16 2015/12/31 17:51:19 mestre Exp $ */
/* $NetBSD: getcom.c,v 1.3 1995/03/21 15:07:30 cgd Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "extern.h"
char *
getcom(char *buf, int size, const char *prompt, const char *error)
{
for (;;) {
fputs(prompt, stdout);
if (fgets(buf, size, stdin) == NULL) {
if (feof(stdin))
die(0);
clearerr(stdin);
continue;
}
while (isspace((unsigned char)*buf))
buf++;
if (*buf)
break;
if (error)
puts(error);
}
/* If we didn't get to the end of the line, don't read it in next time */
if (buf[strlen(buf) - 1] != '\n') {
int i;
while ((i = getchar()) != '\n' && i != EOF)
;
}
return (buf);
}
/*
* shifts to UPPERCASE if flag > 0, lowercase if flag < 0,
* and leaves it unchanged if flag = 0
*/
char *
getword(char *buf1, char *buf2, int flag)
{
int cnt;
cnt = 1;
while (isspace((unsigned char)*buf1))
buf1++;
if (*buf1 != ',' && *buf1 != '.') {
if (!*buf1) {
*buf2 = '\0';
return (0);
}
while (cnt < WORDLEN && *buf1 && !isspace((unsigned char)*buf1) &&
*buf1 != ',' && *buf1 != '.')
if (flag < 0) {
if (isupper((unsigned char)*buf1)) {
*buf2++ = tolower((unsigned char)*buf1++);
cnt++;
} else {
*buf2++ = *buf1++;
cnt++;
}
} else if (flag > 0) {
if (islower((unsigned char)*buf1)) {
*buf2++ = toupper((unsigned char)*buf1++);
cnt++;
} else {
*buf2++ = *buf1++;
cnt++;
}
} else {
*buf2++ = *buf1++;
cnt++;
}
if (cnt == WORDLEN)
while (*buf1 && !isspace((unsigned char)*buf1))
buf1++;
} else
*buf2++ = *buf1++;
*buf2 = '\0';
while (isspace((unsigned char)*buf1))
buf1++;
return (*buf1 ? buf1 : NULL);
}
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