276da39af9
Approved by: roberto, delphij Security: VuXML: 0d0f3050-1f69-11e5-9ba9-d050996490d0 Security: http://bugs.ntp.org/show_bug.cgi?id=2853 Security: https://www.kb.cert.org/vuls/id/668167 Security: http://support.ntp.org/bin/view/Main/SecurityNotice#June_2015_NTP_Security_Vulnerabi
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
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/**
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* \file boolean.c
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*
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* Handle options with true/false values for arguments.
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*
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* @addtogroup autoopts
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* @{
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*/
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/*
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* This routine will run run-on options through a pager so the
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* user may examine, print or edit them at their leisure.
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*
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* This file is part of AutoOpts, a companion to AutoGen.
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* AutoOpts is free software.
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* AutoOpts is Copyright (C) 1992-2015 by Bruce Korb - all rights reserved
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*
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* AutoOpts is available under any one of two licenses. The license
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* in use must be one of these two and the choice is under the control
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* of the user of the license.
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*
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* The GNU Lesser General Public License, version 3 or later
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* See the files "COPYING.lgplv3" and "COPYING.gplv3"
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*
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* The Modified Berkeley Software Distribution License
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* See the file "COPYING.mbsd"
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*
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* These files have the following sha256 sums:
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*
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* 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3
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* 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3
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* 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd
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*/
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/*=export_func optionBooleanVal
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* private:
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*
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* what: Decipher a boolean value
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* arg: + tOptions * + opts + program options descriptor +
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* arg: + tOptDesc * + od + the descriptor for this arg +
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*
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* doc:
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* Decipher a true or false value for a boolean valued option argument.
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* The value is true, unless it starts with 'n' or 'f' or "#f" or
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* it is an empty string or it is a number that evaluates to zero.
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=*/
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void
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optionBooleanVal(tOptions * opts, tOptDesc * od)
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{
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char * pz;
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bool res = true;
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if (INQUERY_CALL(opts, od))
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return;
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if (od->optArg.argString == NULL) {
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od->optArg.argBool = false;
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return;
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}
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switch (*(od->optArg.argString)) {
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case '0':
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{
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long val = strtol(od->optArg.argString, &pz, 0);
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if ((val != 0) || (*pz != NUL))
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break;
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/* FALLTHROUGH */
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}
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case 'N':
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case 'n':
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case 'F':
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case 'f':
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case NUL:
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res = false;
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break;
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case '#':
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if (od->optArg.argString[1] != 'f')
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break;
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res = false;
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}
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if (od->fOptState & OPTST_ALLOC_ARG) {
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AGFREE(od->optArg.argString);
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od->fOptState &= ~OPTST_ALLOC_ARG;
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}
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od->optArg.argBool = res;
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}
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/** @}
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*
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* Local Variables:
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* mode: C
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* c-file-style: "stroustrup"
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* indent-tabs-mode: nil
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* End:
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* end of autoopts/boolean.c */
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