52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* onearg.c: Get one argument, or ask if not there
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*
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* Known contributors to this file:
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*
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*/
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#include "misc.h"
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#include "gen.h"
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int
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onearg(s_char *arg, s_char *prompt)
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{
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extern s_char *getstring(s_char *prompt, s_char *buf);
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int n;
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s_char buf[1024];
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if (arg == 0 || *arg == 0) {
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if ((arg = getstring(prompt, buf)) == 0)
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return -1;
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}
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n = atoi(arg);
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if (n < 0)
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return -1;
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return n;
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}
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