1 /* $OpenBSD: misc.c,v 1.7 2007/09/11 16:30:59 gilles Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Tobias Weingartner 5 * 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef LINT 29 static char rcsid[] = "$OpenBSD: misc.c,v 1.7 2007/09/11 16:30:59 gilles Exp $"; 30 #endif 31 32 #include <sys/types.h> 33 #include <err.h> 34 #include <stdio.h> 35 #include <ctype.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "misc.h" 40 41 extern int verbose; 42 43 int 44 ask_cmd(cmd_t *cmd) 45 { 46 char lbuf[100], *cp, *buf; 47 48 /* Get input */ 49 if (fgets(lbuf, sizeof lbuf, stdin) == NULL) 50 errx(1, "eof"); 51 lbuf[strcspn(lbuf, "\n")] = '\0'; 52 if (verbose) 53 printf("%s\n", lbuf); 54 55 /* Parse input */ 56 buf = lbuf; 57 buf = &buf[strspn(buf, " \t")]; 58 cp = &buf[strcspn(buf, " \t")]; 59 *cp++ = '\0'; 60 strlcpy(cmd->cmd, buf, sizeof cmd->cmd); 61 buf = &cp[strspn(cp, " \t")]; 62 strlcpy(cmd->args, buf, sizeof cmd->args); 63 64 return (0); 65 } 66 67 int 68 ask_yn(const char *str) 69 { 70 int ch, first; 71 72 printf("%s [n] ", str); 73 fflush(stdout); 74 75 first = ch = getchar(); 76 if (verbose) { 77 printf("%c", ch); 78 fflush(stdout); 79 } 80 while (ch != '\n' && ch != EOF) { 81 ch = getchar(); 82 if (verbose) { 83 printf("%c\n", ch); 84 fflush(stdout); 85 } 86 } 87 if (ch == EOF || first == EOF) 88 errx(1, "eof"); 89 90 return (first == 'y' || first == 'Y'); 91 } 92