Annotation of embedaddon/ntp/sntp/libopts/boolean.c, revision 1.1
1.1 ! misho 1:
! 2: /**
! 3: * \file boolean.c
! 4: *
! 5: * Time-stamp: "2010-07-10 11:02:10 bkorb"
! 6: *
! 7: * Automated Options Paged Usage module.
! 8: *
! 9: * This routine will run run-on options through a pager so the
! 10: * user may examine, print or edit them at their leisure.
! 11: *
! 12: * This file is part of AutoOpts, a companion to AutoGen.
! 13: * AutoOpts is free software.
! 14: * AutoOpts is Copyright (c) 1992-2011 by Bruce Korb - all rights reserved
! 15: *
! 16: * AutoOpts is available under any one of two licenses. The license
! 17: * in use must be one of these two and the choice is under the control
! 18: * of the user of the license.
! 19: *
! 20: * The GNU Lesser General Public License, version 3 or later
! 21: * See the files "COPYING.lgplv3" and "COPYING.gplv3"
! 22: *
! 23: * The Modified Berkeley Software Distribution License
! 24: * See the file "COPYING.mbsd"
! 25: *
! 26: * These files have the following md5sums:
! 27: *
! 28: * 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
! 29: * 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
! 30: * 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
! 31: */
! 32:
! 33: /*=export_func optionBooleanVal
! 34: * private:
! 35: *
! 36: * what: Decipher a boolean value
! 37: * arg: + tOptions* + pOpts + program options descriptor +
! 38: * arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
! 39: *
! 40: * doc:
! 41: * Decipher a true or false value for a boolean valued option argument.
! 42: * The value is true, unless it starts with 'n' or 'f' or "#f" or
! 43: * it is an empty string or it is a number that evaluates to zero.
! 44: =*/
! 45: void
! 46: optionBooleanVal( tOptions* pOpts, tOptDesc* pOD )
! 47: {
! 48: char* pz;
! 49: ag_bool res = AG_TRUE;
! 50:
! 51: if ((pOD->fOptState & OPTST_RESET) != 0)
! 52: return;
! 53:
! 54: if (pOD->optArg.argString == NULL) {
! 55: pOD->optArg.argBool = AG_FALSE;
! 56: return;
! 57: }
! 58:
! 59: switch (*(pOD->optArg.argString)) {
! 60: case '0':
! 61: {
! 62: long val = strtol( pOD->optArg.argString, &pz, 0 );
! 63: if ((val != 0) || (*pz != NUL))
! 64: break;
! 65: /* FALLTHROUGH */
! 66: }
! 67: case 'N':
! 68: case 'n':
! 69: case 'F':
! 70: case 'f':
! 71: case NUL:
! 72: res = AG_FALSE;
! 73: break;
! 74: case '#':
! 75: if (pOD->optArg.argString[1] != 'f')
! 76: break;
! 77: res = AG_FALSE;
! 78: }
! 79:
! 80: if (pOD->fOptState & OPTST_ALLOC_ARG) {
! 81: AGFREE(pOD->optArg.argString);
! 82: pOD->fOptState &= ~OPTST_ALLOC_ARG;
! 83: }
! 84: pOD->optArg.argBool = res;
! 85: }
! 86: /*
! 87: * Local Variables:
! 88: * mode: C
! 89: * c-file-style: "stroustrup"
! 90: * indent-tabs-mode: nil
! 91: * End:
! 92: * end of autoopts/boolean.c */
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