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a9bbb35dbf
commands. This allows complex actions like changing device parameters to be done with a command file.
107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/* $OpenBSD: misc.c,v 1.11 2021/11/20 03:13:37 jcs Exp $ */
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/*
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* Copyright (c) 1997 Tobias Weingartner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "misc.h"
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extern int verbose;
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int
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parse_cmd(cmd_t *cmd, char *lbuf)
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{
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char *cp, *buf;
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lbuf[strcspn(lbuf, "\n")] = '\0';
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if (verbose)
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printf("%s\n", lbuf);
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/* Parse input */
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buf = lbuf;
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buf = &buf[strspn(buf, " \t")];
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cp = &buf[strcspn(buf, " \t")];
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*cp++ = '\0';
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strlcpy(cmd->cmd, buf, sizeof cmd->cmd);
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buf = &cp[strspn(cp, " \t")];
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strlcpy(cmd->args, buf, sizeof cmd->args);
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return (0);
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}
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int
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ask_cmd(cmd_t *cmd)
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{
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char lbuf[100];
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extern FILE *cmdfp;
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/* Get input */
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if (fgets(lbuf, sizeof lbuf, cmdfp ? cmdfp : stdin) == NULL) {
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if (cmdfp) {
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cmd->cmd[0] = '\0';
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return -1;
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}
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errx(1, "eof");
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}
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if (cmdfp)
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printf("%s", lbuf);
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return parse_cmd(cmd, lbuf);
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}
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int
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ask_yn(const char *str)
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{
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extern FILE *cmdfp;
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int ch, first;
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printf("%s [n] ", str);
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fflush(stdout);
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first = ch = getc(cmdfp ? cmdfp : stdin);
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if (verbose || (cmdfp && ch != EOF)) {
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printf("%c", ch);
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fflush(stdout);
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}
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while (ch != '\n' && ch != EOF) {
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ch = getc(cmdfp ? cmdfp : stdin);
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if (verbose) {
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printf("%c\n", ch);
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fflush(stdout);
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} else if (cmdfp)
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putchar('\n');
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}
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if (ch == EOF || first == EOF)
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errx(1, "eof");
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return (first == 'y' || first == 'Y');
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}
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