102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)getcom.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* not lint */
|
|
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
|
|
char *
|
|
getcom(buf, size, prompt, error)
|
|
char *buf;
|
|
int size;
|
|
const char *prompt, *error;
|
|
{
|
|
for (;;) {
|
|
fputs(prompt, stdout);
|
|
if (fgets(buf, size, stdin) == 0) {
|
|
clearerr(stdin);
|
|
continue;
|
|
}
|
|
while (isspace(*buf))
|
|
buf++;
|
|
if (*buf)
|
|
break;
|
|
if (error)
|
|
puts(error);
|
|
}
|
|
return (buf);
|
|
}
|
|
|
|
|
|
/*
|
|
* shifts to UPPERCASE if flag > 0, lowercase if flag < 0,
|
|
* and leaves it unchanged if flag = 0
|
|
*/
|
|
char *
|
|
getword(buf1, buf2, flag)
|
|
register char *buf1, *buf2;
|
|
register flag;
|
|
{
|
|
while (isspace(*buf1))
|
|
buf1++;
|
|
if (*buf1 != ',') {
|
|
if (!*buf1) {
|
|
*buf2 = 0;
|
|
return (0);
|
|
}
|
|
while (*buf1 && !isspace(*buf1) && *buf1 != ',')
|
|
if (flag < 0)
|
|
if (isupper(*buf1))
|
|
*buf2++ = tolower(*buf1++);
|
|
else
|
|
*buf2++ = *buf1++;
|
|
else if (flag > 0)
|
|
if (islower(*buf1))
|
|
*buf2++ = toupper(*buf1++);
|
|
else
|
|
*buf2++ = *buf1++;
|
|
else
|
|
*buf2++ = *buf1++;
|
|
} else
|
|
*buf2++ = *buf1++;
|
|
*buf2 = 0;
|
|
while (isspace(*buf1))
|
|
buf1++;
|
|
return (*buf1 ? buf1 : 0);
|
|
}
|