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75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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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 GNU
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* 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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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "libbb.h"
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unsigned long parse_number(const char *numstr,
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const struct suffix_mult *suffixes)
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{
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const struct suffix_mult *sm;
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unsigned long int ret;
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int len;
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char *end;
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ret = strtoul(numstr, &end, 10);
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if (numstr == end)
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error_msg_and_die("invalid number `%s'", numstr);
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while (end[0] != '\0') {
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sm = suffixes;
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while ( sm != 0 ) {
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if(sm->suffix) {
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len = strlen(sm->suffix);
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if (strncmp(sm->suffix, end, len) == 0) {
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ret *= sm->mult;
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end += len;
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break;
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}
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sm++;
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} else
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sm = 0;
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}
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if (sm == 0)
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error_msg_and_die("invalid number `%s'", numstr);
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}
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return ret;
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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