From bdab5265fcbf3f472545073a23f8999749a9f2b9 Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 2 Dec 2014 09:01:21 +0000 Subject: Imported from /home/lorry/working-area/delta_ntp/ntp-dev-4.2.7p482.tar.gz. --- sntp/libopts/boolean.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 sntp/libopts/boolean.c (limited to 'sntp/libopts/boolean.c') diff --git a/sntp/libopts/boolean.c b/sntp/libopts/boolean.c new file mode 100644 index 0000000..e83e518 --- /dev/null +++ b/sntp/libopts/boolean.c @@ -0,0 +1,95 @@ + +/** + * \file boolean.c + * + * Handle options with true/false values for arguments. + * + * @addtogroup autoopts + * @{ + */ +/* + * This routine will run run-on options through a pager so the + * user may examine, print or edit them at their leisure. + * + * This file is part of AutoOpts, a companion to AutoGen. + * AutoOpts is free software. + * AutoOpts is Copyright (C) 1992-2014 by Bruce Korb - all rights reserved + * + * AutoOpts is available under any one of two licenses. The license + * in use must be one of these two and the choice is under the control + * of the user of the license. + * + * The GNU Lesser General Public License, version 3 or later + * See the files "COPYING.lgplv3" and "COPYING.gplv3" + * + * The Modified Berkeley Software Distribution License + * See the file "COPYING.mbsd" + * + * These files have the following sha256 sums: + * + * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 + * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 + * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd + */ + +/*=export_func optionBooleanVal + * private: + * + * what: Decipher a boolean value + * arg: + tOptions* + opts + program options descriptor + + * arg: + tOptDesc* + od + the descriptor for this arg + + * + * doc: + * Decipher a true or false value for a boolean valued option argument. + * The value is true, unless it starts with 'n' or 'f' or "#f" or + * it is an empty string or it is a number that evaluates to zero. +=*/ +void +optionBooleanVal(tOptions * opts, tOptDesc * od) +{ + char* pz; + bool res = true; + + if (INQUERY_CALL(opts, od)) + return; + + if (od->optArg.argString == NULL) { + od->optArg.argBool = false; + return; + } + + switch (*(od->optArg.argString)) { + case '0': + { + long val = strtol(od->optArg.argString, &pz, 0); + if ((val != 0) || (*pz != NUL)) + break; + /* FALLTHROUGH */ + } + case 'N': + case 'n': + case 'F': + case 'f': + case NUL: + res = false; + break; + case '#': + if (od->optArg.argString[1] != 'f') + break; + res = false; + } + + if (od->fOptState & OPTST_ALLOC_ARG) { + AGFREE(od->optArg.argString); + od->fOptState &= ~OPTST_ALLOC_ARG; + } + od->optArg.argBool = res; +} +/** @} + * + * Local Variables: + * mode: C + * c-file-style: "stroustrup" + * indent-tabs-mode: nil + * End: + * end of autoopts/boolean.c */ -- cgit v1.2.1