123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106 |
- /*
- * $Id: boolean.c,v 4.10 2007/02/04 17:44:12 bkorb Exp $
- * Time-stamp: "2007-01-13 10:10:39 bkorb"
- *
- * Automated Options Paged Usage module.
- *
- * This routine will run run-on options through a pager so the
- * user may examine, print or edit them at their leisure.
- */
- /*
- * Automated Options copyright 1992-2007 Bruce Korb
- *
- * Automated Options is free software.
- * You may redistribute it and/or modify it under the terms of the
- * GNU General Public License, as published by the Free Software
- * Foundation; either version 2, or (at your option) any later version.
- *
- * Automated Options is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Automated Options. See the file "COPYING". If not,
- * write to: The Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- * As a special exception, Bruce Korb gives permission for additional
- * uses of the text contained in his release of AutoOpts.
- *
- * The exception is that, if you link the AutoOpts library with other
- * files to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the AutoOpts library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by Bruce Korb under
- * the name AutoOpts. If you copy code from other sources under the
- * General Public License into a copy of AutoOpts, as the General Public
- * License permits, the exception does not apply to the code that you add
- * in this way. To avoid misleading anyone as to the status of such
- * modified files, you must delete this exception notice from them.
- *
- * If you write modifications of your own for AutoOpts, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
- /*=export_func optionBooleanVal
- * private:
- *
- * what: Decipher a boolean value
- * arg: + tOptions* + pOpts + program options descriptor +
- * arg: + tOptDesc* + pOptDesc + 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* pOpts, tOptDesc* pOD )
- {
- char* pz;
- ag_bool res = AG_TRUE;
- switch (*(pOD->optArg.argString)) {
- case '0':
- {
- long val = strtol( pOD->optArg.argString, &pz, 0 );
- if ((val != 0) || (*pz != NUL))
- break;
- /* FALLTHROUGH */
- }
- case 'N':
- case 'n':
- case 'F':
- case 'f':
- case NUL:
- res = AG_FALSE;
- break;
- case '#':
- if (pOD->optArg.argString[1] != 'f')
- break;
- res = AG_FALSE;
- }
- if (pOD->fOptState & OPTST_ALLOC_ARG) {
- AGFREE(pOD->optArg.argString);
- pOD->fOptState &= ~OPTST_ALLOC_ARG;
- }
- pOD->optArg.argBool = res;
- }
- /*
- * Local Variables:
- * mode: C
- * c-file-style: "stroustrup"
- * indent-tabs-mode: nil
- * End:
- * end of autoopts/boolean.c */
|