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Diffstat (limited to 'contrib/ntp/sntp/libopts/boolean.c')
-rw-r--r-- | contrib/ntp/sntp/libopts/boolean.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/contrib/ntp/sntp/libopts/boolean.c b/contrib/ntp/sntp/libopts/boolean.c new file mode 100644 index 000000000000..37148a9cc3ba --- /dev/null +++ b/contrib/ntp/sntp/libopts/boolean.c @@ -0,0 +1,106 @@ + +/* + * $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 */ |