1 /* $NetBSD: getcom.c,v 1.3 1995/03/21 15:07:30 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)getcom.c 8.1 (Berkeley) 5/31/93"; 39 #else 40 static char rcsid[] = "$NetBSD: getcom.c,v 1.3 1995/03/21 15:07:30 cgd Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 #include <stdio.h> 45 #include <ctype.h> 46 47 char * 48 getcom(buf, size, prompt, error) 49 char *buf; 50 int size; 51 char *prompt, *error; 52 { 53 for (;;) { 54 fputs(prompt, stdout); 55 if (fgets(buf, size, stdin) == 0) { 56 clearerr(stdin); 57 continue; 58 } 59 while (isspace(*buf)) 60 buf++; 61 if (*buf) 62 break; 63 if (error) 64 puts(error); 65 } 66 return (buf); 67 } 68 69 70 /* 71 * shifts to UPPERCASE if flag > 0, lowercase if flag < 0, 72 * and leaves it unchanged if flag = 0 73 */ 74 char * 75 getword(buf1, buf2, flag) 76 register char *buf1, *buf2; 77 register flag; 78 { 79 while (isspace(*buf1)) 80 buf1++; 81 if (*buf1 != ',') { 82 if (!*buf1) { 83 *buf2 = 0; 84 return (0); 85 } 86 while (*buf1 && !isspace(*buf1) && *buf1 != ',') 87 if (flag < 0) 88 if (isupper(*buf1)) 89 *buf2++ = tolower(*buf1++); 90 else 91 *buf2++ = *buf1++; 92 else if (flag > 0) 93 if (islower(*buf1)) 94 *buf2++ = toupper(*buf1++); 95 else 96 *buf2++ = *buf1++; 97 else 98 *buf2++ = *buf1++; 99 } else 100 *buf2++ = *buf1++; 101 *buf2 = 0; 102 while (isspace(*buf1)) 103 buf1++; 104 return (*buf1 ? buf1 : 0); 105 } 106