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-rw-r--r--contrib/ntp/sntp/libopts/numeric.c198
1 files changed, 142 insertions, 56 deletions
diff --git a/contrib/ntp/sntp/libopts/numeric.c b/contrib/ntp/sntp/libopts/numeric.c
index 05ee9b5..ab8f3d1 100644
--- a/contrib/ntp/sntp/libopts/numeric.c
+++ b/contrib/ntp/sntp/libopts/numeric.c
@@ -1,90 +1,176 @@
-/*
- * $Id: numeric.c,v 4.11 2007/02/04 17:44:12 bkorb Exp $
- * Time-stamp: "2007-01-13 10:28:20 bkorb"
+/**
+ * \file numeric.c
+ *
+ * Handle options with numeric (integer) arguments.
+ *
+ * @addtogroup autoopts
+ * @{
*/
-
/*
- * 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.
+ * 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
*
- * 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.
+ * 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.
*
- * 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.
+ * The GNU Lesser General Public License, version 3 or later
+ * See the files "COPYING.lgplv3" and "COPYING.gplv3"
*
- * As a special exception, Bruce Korb gives permission for additional
- * uses of the text contained in his release of AutoOpts.
+ * The Modified Berkeley Software Distribution License
+ * See the file "COPYING.mbsd"
*
- * 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.
+ * These files have the following sha256 sums:
*
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
+ * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3
+ * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3
+ * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd
+ */
+
+/*=export_func optionShowRange
+ * private:
*
- * 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.
+ * what: Show info about range constraints
+ * arg: + tOptions * + pOpts + program options descriptor +
+ * arg: + tOptDesc * + pOptDesc + the descriptor for this arg +
+ * arg: + void * + rng_table + the value range tables +
+ * arg: + int + rng_count + the number of entries +
*
- * 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.
- */
+ * doc:
+ * Show information about a numeric option with range constraints.
+=*/
+void
+optionShowRange(tOptions * pOpts, tOptDesc * pOD, void * rng_table, int rng_ct)
+{
+ const struct {long const rmin, rmax;} * rng = rng_table;
+
+ char const * pz_indent = zTabHyp + tab_skip_ct;
+
+ /*
+ * The range is shown only for full usage requests and an error
+ * in this particular option.
+ */
+ if (pOpts != OPTPROC_EMIT_USAGE) {
+ if (pOpts <= OPTPROC_EMIT_LIMIT)
+ return;
+ pz_indent = ONE_TAB_STR;
+
+ fprintf(option_usage_fp, zRangeErr, pOpts->pzProgName,
+ pOD->pz_Name, pOD->optArg.argInt);
+ pz_indent = "";
+ }
+
+ if (pOD->fOptState & OPTST_SCALED_NUM)
+ fprintf(option_usage_fp, zRangeScaled, pz_indent);
+
+ fprintf(option_usage_fp, (rng_ct > 1) ? zRangeLie : zRangeOnly, pz_indent);
+ pz_indent = (pOpts != OPTPROC_EMIT_USAGE)
+ ? ONE_TAB_STR
+ : (zTabSpace + tab_skip_ct);
+
+ for (;;) {
+ if (rng->rmax == LONG_MIN)
+ fprintf(option_usage_fp, zRangeExact, pz_indent, rng->rmin);
+ else if (rng->rmin == LONG_MIN)
+ fprintf(option_usage_fp, zRangeUpto, pz_indent, rng->rmax);
+ else if (rng->rmax == LONG_MAX)
+ fprintf(option_usage_fp, zRangeAbove, pz_indent, rng->rmin);
+ else
+ fprintf(option_usage_fp, zRange, pz_indent, rng->rmin,
+ rng->rmax);
+
+ if (--rng_ct <= 0) {
+ fputc(NL, option_usage_fp);
+ break;
+ }
+ fputs(zRangeOr, option_usage_fp);
+ rng++;
+ }
+
+ if (pOpts > OPTPROC_EMIT_LIMIT)
+ pOpts->pUsageProc(pOpts, EXIT_FAILURE);
+}
/*=export_func optionNumericVal
* private:
*
- * what: Decipher a boolean value
- * arg: + tOptions* + pOpts + program options descriptor +
- * arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
+ * what: process an option with a numeric value.
+ * arg: + tOptions * + opts + program options descriptor +
+ * arg: + tOptDesc * + od + the descriptor for this arg +
*
* doc:
* Decipher a numeric value.
=*/
void
-optionNumericVal( tOptions* pOpts, tOptDesc* pOD )
+optionNumericVal(tOptions * opts, tOptDesc * od)
{
- char* pz;
- long val;
+ char * pz;
+ long val;
+
+ /*
+ * Guard against all the different ways this procedure might get invoked
+ * when there is no string argument provided.
+ */
+ if (INQUERY_CALL(opts, od) || (od->optArg.argString == NULL))
+ return;
/*
* Numeric options may have a range associated with it.
* If it does, the usage procedure requests that it be
- * emitted by passing a NULL pOD pointer.
+ * emitted by passing a NULL od pointer. Also bail out
+ * if there is no option argument or if we are being reset.
*/
- if ((pOD == NULL) || (pOD->optArg.argString == NULL))
+ if ( (od == NULL)
+ || (od->optArg.argString == NULL)
+ || ((od->fOptState & OPTST_RESET) != 0))
return;
- val = strtol( pOD->optArg.argString, &pz, 0 );
- if (*pz != NUL) {
- fprintf( stderr, zNotNumber, pOpts->pzProgName, pOD->optArg.argString );
- (*(pOpts->pUsageProc))(pOpts, EXIT_FAILURE);
- }
+ errno = 0;
+ val = strtol(od->optArg.argString, &pz, 0);
+ if ((pz == od->optArg.argString) || (errno != 0))
+ goto bad_number;
- if (pOD->fOptState & OPTST_ALLOC_ARG) {
- AGFREE(pOD->optArg.argString);
- pOD->fOptState &= ~OPTST_ALLOC_ARG;
+ if ((od->fOptState & OPTST_SCALED_NUM) != 0)
+ switch (*(pz++)) {
+ case NUL: pz--; break;
+ case 't': val *= 1000;
+ case 'g': val *= 1000;
+ case 'm': val *= 1000;
+ case 'k': val *= 1000; break;
+
+ case 'T': val *= 1024;
+ case 'G': val *= 1024;
+ case 'M': val *= 1024;
+ case 'K': val *= 1024; break;
+
+ default: goto bad_number;
+ }
+
+ if (*pz != NUL)
+ goto bad_number;
+
+ if (od->fOptState & OPTST_ALLOC_ARG) {
+ AGFREE(od->optArg.argString);
+ od->fOptState &= ~OPTST_ALLOC_ARG;
}
- pOD->optArg.argInt = val;
+ od->optArg.argInt = val;
+ return;
+
+ bad_number:
+
+ fprintf( stderr, zNotNumber, opts->pzProgName, od->optArg.argString );
+ if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0)
+ (*(opts->pUsageProc))(opts, EXIT_FAILURE);
+
+ errno = EINVAL;
+ od->optArg.argInt = ~0;
}
-/*
+
+/** @}
+ *
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
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