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📄 COPYING.gplv3(34.34 KB)
📄 COPYING.lgplv3(7.45 KB)
📄 COPYING.mbsd(1.41 KB)
📄 MakeDefs.inc(0 B)
📄 Makefile.am(2.51 KB)
📄 Makefile.in(27.52 KB)
📄 README(4.84 KB)
📄 ag-char-map.h(26.67 KB)
📄 alias.c(3.26 KB)
📄 ao-strs.c(13.82 KB)
📄 ao-strs.h(14.02 KB)
📁 autoopts
📄 autoopts.c(11.94 KB)
📄 autoopts.h(12.96 KB)
📄 boolean.c(2.45 KB)
📄 check.c(4.84 KB)
📁 compat
📄 configfile.c(35.76 KB)
📄 cook.c(9.18 KB)
📄 enum.c(18.09 KB)
📄 env.c(7.17 KB)
📄 file.c(5.67 KB)
📄 find.c(22 KB)
📄 genshell.c(30.64 KB)
📄 genshell.h(7.77 KB)
📄 gettext.h(9.79 KB)
📄 init.c(8.42 KB)
📄 intprops.h(14.58 KB)
📄 libopts.c(1.06 KB)
📄 load.c(15.98 KB)
📁 m4
📄 makeshell.c(24.36 KB)
📄 nested.c(24.33 KB)
📄 numeric.c(5.05 KB)
📄 option-value-type.c(5.5 KB)
📄 option-value-type.h(2.36 KB)
📄 option-xat-attribute.c(5.04 KB)
📄 option-xat-attribute.h(2.25 KB)
📄 parse-duration.c(12.11 KB)
📄 parse-duration.h(3.32 KB)
📄 pgusage.c(4.89 KB)
📄 proto.h(2.73 KB)
📄 putshell.c(14.62 KB)
📄 reset.c(3.84 KB)
📄 restore.c(6.82 KB)
📄 save.c(20.53 KB)
📄 sort.c(9.84 KB)
📄 stack.c(7.23 KB)
📄 stdnoreturn.in.h(1.77 KB)
📄 streqvcmp.c(8.14 KB)
📄 text_mmap.c(11.05 KB)
📄 time.c(3.77 KB)
📄 tokenize.c(8.99 KB)
📄 usage.c(38.19 KB)
📄 version.c(6.11 KB)

Editing: check.c

/**
 * @file check.c
 *
 * @brief option consistency checks.
 *
 * @addtogroup autoopts
 * @{
 */
/*
 *  This file is part of AutoOpts, a companion to AutoGen.
 *  AutoOpts is free software.
 *  AutoOpts is Copyright (C) 1992-2015 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
 */

/**
 *  Check for conflicts based on "must" and "cannot" attributes.
 */
static bool
has_conflict(tOptions * pOpts, tOptDesc * od)
{
    if (od->pOptMust != NULL) {
        int const * must = od->pOptMust;

while (*must != NO_EQUIVALENT) {
            tOptDesc * p = pOpts->pOptDesc + *(must++);
            if (UNUSED_OPT(p)) {
                const tOptDesc * ood = pOpts->pOptDesc + must[-1];
                fprintf(stderr, zneed_fmt, pOpts->pzProgName,
                        od->pz_Name, ood->pz_Name);
                return true;
            }
        }
    }

if (od->pOptCant != NULL) {
        int const * cant = od->pOptCant;

while (*cant != NO_EQUIVALENT) {
            tOptDesc * p = pOpts->pOptDesc + *(cant++);
            if (SELECTED_OPT(p)) {
                const tOptDesc * ood = pOpts->pOptDesc + cant[-1];
                fprintf(stderr, zconflict_fmt, pOpts->pzProgName,
                        od->pz_Name, ood->pz_Name);
                return true;
            }
        }
    }

return false;
}

/**
 *  Check that the option occurs often enough.  Too often is already checked.
 */
static bool
occurs_enough(tOptions * pOpts, tOptDesc * pOD)
{
    (void)pOpts;

/*
     *  IF the occurrence counts have been satisfied,
     *  THEN there is no problem.
     */
    if (pOD->optOccCt >= pOD->optMinCt)
        return true;

/*
     *  IF MUST_SET means SET and PRESET are okay,
     *  so min occurrence count doesn't count
     */
    if (  (pOD->fOptState & OPTST_MUST_SET)
       && (pOD->fOptState & (OPTST_PRESET | OPTST_SET)) )
        return true;

if (pOD->optMinCt > 1)
         fprintf(stderr, zneed_more, pOpts->pzProgName, pOD->pz_Name,
                 pOD->optMinCt);
    else fprintf(stderr, zneed_one,  pOpts->pzProgName, pOD->pz_Name);
    return false;
}

/**
 *  Verify option consistency.
 *
 *  Make sure that the argument list passes our consistency tests.
 */
LOCAL bool
is_consistent(tOptions * pOpts)
{
    tOptDesc * pOD   = pOpts->pOptDesc;
    int        oCt   = pOpts->presetOptCt;

/*
     *  FOR each of "oCt" options, ...
     */
    for (;;) {
        /*
         *  IF the current option was provided on the command line
         *  THEN ensure that any "MUST" requirements are not
         *       "DEFAULT" (unspecified) *AND* ensure that any
         *       "CANT" options have not been SET or DEFINED.
         */
        if (SELECTED_OPT(pOD)) {
            if (has_conflict(pOpts, pOD))
                return false;
        }

/*
         *  IF       this option is not equivalenced to another,
         *        OR it is equivalenced to itself (is the equiv. root)
         *  THEN we need to make sure it occurs often enough.
         */
        if (  (pOD->optEquivIndex == NO_EQUIVALENT)
           || (pOD->optEquivIndex == pOD->optIndex) )

if (! occurs_enough(pOpts, pOD))
                return false;

if (--oCt <= 0)
            break;
        pOD++;
    }

/*
     *  IF we are stopping on errors, check to see if any remaining
     *  arguments are required to be there or prohibited from being there.
     */
    if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0) {

/*
         *  Check for prohibition
         */
        if ((pOpts->fOptSet & OPTPROC_NO_ARGS) != 0) {
            if (pOpts->origArgCt > pOpts->curOptIdx) {
                fprintf(stderr, zNoArgs, pOpts->pzProgName);
                return false;
            }
        }

/*
         *  ELSE not prohibited, check for being required
         */
        else if ((pOpts->fOptSet & OPTPROC_ARGS_REQ) != 0) {
            if (pOpts->origArgCt <= pOpts->curOptIdx) {
                fprintf(stderr, zargs_must, pOpts->pzProgName);
                return false;
            }
        }
    }

return true;
}

/** @}
 *
 * Local Variables:
 * mode: C
 * c-file-style: "stroustrup"
 * indent-tabs-mode: nil
 * End:
 * end of autoopts/check.c */

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