Coverage Report

Created: 2023-05-19 06:16

/src/ntp-dev/sntp/libopts/reset.c
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/**
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 * \file reset.c
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 *
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 *  Reset the option state to the compiled state.
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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 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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static void
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optionReset(tOptions * pOpts, tOptDesc * pOD)
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0
{
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    pOD->fOptState &= OPTST_PERSISTENT_MASK;
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    pOD->fOptState |= OPTST_RESET;
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    if (pOD->pOptProc != NULL)
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        pOD->pOptProc(pOpts, pOD);
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    pOD->optArg.argString =
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        pOpts->originalOptArgArray[ pOD->optIndex ].argString;
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    pOD->optCookie = pOpts->originalOptArgCookie[ pOD->optIndex ];
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    pOD->fOptState &= OPTST_PERSISTENT_MASK;
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0
}
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static void
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optionResetEverything(tOptions * pOpts)
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{
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    tOptDesc * pOD = pOpts->pOptDesc;
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    int        ct  = pOpts->presetOptCt;
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    for (;;) {
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        optionReset(pOpts, pOD);
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        if (--ct <= 0)
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            break;
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        pOD++;
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    }
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}
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/*=export_func  optionResetOpt
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 * private:
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 *
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 * what:  Reset the value of an option
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 * arg:   + tOptions * + pOpts    + program options descriptor  +
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 * arg:   + tOptDesc * + pOptDesc + the descriptor for this arg +
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 *
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 * doc:
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 *  This code will cause another option to be reset to its initial state.
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 *  For example, --reset=foo will cause the --foo option to be reset.
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=*/
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void
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optionResetOpt(tOptions * pOpts, tOptDesc * pOD)
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0
{
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    static bool reset_active = false;
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    tOptState opt_state = OPTSTATE_INITIALIZER(DEFINED);
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    char const * pzArg = pOD->optArg.argString;
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    tSuccess     succ;
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    if (pOpts <= OPTPROC_EMIT_LIMIT)
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        return;
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    if (reset_active)
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        return;
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    if (  (! HAS_originalOptArgArray(pOpts))
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       || (pOpts->originalOptArgCookie == NULL))
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        ao_bug(zno_reset);
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    if ((pzArg == NULL) || (*pzArg == NUL)) {
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        fprintf(stderr, zreset_arg, pOpts->pzProgName, pOD->pz_Name);
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        pOpts->pUsageProc(pOpts, EXIT_FAILURE);
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        /* NOTREACHED */
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        assert(0 == 1);
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    }
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    reset_active = true;
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    if (pzArg[1] == NUL) {
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        if (*pzArg == '*') {
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            optionResetEverything(pOpts);
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            reset_active = false;
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            return;
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        }
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        succ = opt_find_short(pOpts, (uint8_t)*pzArg, &opt_state);
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        if (! SUCCESSFUL(succ)) {
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            fprintf(stderr, zIllOptChr, pOpts->pzProgPath, *pzArg);
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            pOpts->pUsageProc(pOpts, EXIT_FAILURE);
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            /* NOTREACHED */
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            assert(0 == 1);
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        }
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    } else {
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        succ = opt_find_long(pOpts, (char *)pzArg, &opt_state);
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        if (! SUCCESSFUL(succ)) {
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            fprintf(stderr, zIllOptStr, pOpts->pzProgPath, pzArg);
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            pOpts->pUsageProc(pOpts, EXIT_FAILURE);
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            /* NOTREACHED */
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            assert(0 == 1);
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        }
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    }
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    /*
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     *  We've found the indicated option.  Turn off all non-persistent
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     *  flags because we're forcing the option back to its initialized state.
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     *  Call any callout procedure to handle whatever it needs to.
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     *  Finally, clear the reset flag, too.
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     */
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    optionReset(pOpts, opt_state.pOD);
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    reset_active = false;
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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/reset.c */