122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/* $NetBSD: getcom.c,v 1.14 2012/01/16 17:38:16 christos 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 <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)getcom.c 8.1 (Berkeley) 5/31/93";
|
|
#else
|
|
__RCSID("$NetBSD: getcom.c,v 1.14 2012/01/16 17:38:16 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#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();
|
|
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 line, don't read it in next time. */
|
|
if (buf[strlen(buf) - 1] != '\n') {
|
|
int i;
|
|
while ((i = getchar()) != '\n' && i != EOF)
|
|
continue;
|
|
}
|
|
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 != ',') {
|
|
if (!*buf1) {
|
|
*buf2 = 0;
|
|
return (0);
|
|
}
|
|
while (cnt < WORDLEN && *buf1 &&
|
|
!isspace((unsigned char)*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);
|
|
}
|