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- /*
- * Copyright (c) 1983 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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)getcom.c 5.3 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include <stdio.h>
- #include <ctype.h>
-
- char *
- getcom(buf, size, prompt, error)
- char *buf;
- int size;
- 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);
- }
-