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/**
* \file time.c
*
* @addtogroup autoopts
* @{
*/
/*
* This file is part of AutoOpts, a companion to AutoGen.
* AutoOpts is free software.
* AutoOpts is Copyright (C) 1992-2014 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
*/
/*=export_func optionTimeVal
* private:
*
* what: process an option with a time duration.
* arg: + tOptions* + opts + program options descriptor +
* arg: + tOptDesc* + od + the descriptor for this arg +
*
* doc:
* Decipher a time duration value.
=*/
void
optionTimeVal(tOptions * opts, tOptDesc * od)
{
time_t val;
if (INQUERY_CALL(opts, od))
return;
val = parse_duration(od->optArg.argString);
if (val == BAD_TIME) {
fprintf(stderr, zNotDuration, opts->pzProgName, od->optArg.argString);
if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0)
(*(opts->pUsageProc))(opts, EXIT_FAILURE);
}
if (od->fOptState & OPTST_ALLOC_ARG) {
AGFREE(od->optArg.argString);
od->fOptState &= ~OPTST_ALLOC_ARG;
}
od->optArg.argInt = (long)val;
}
/*=export_func optionTimeDate
* private:
*
* what: process an option with a time and date.
* arg: + tOptions* + opts + program options descriptor +
* arg: + tOptDesc* + od + the descriptor for this arg +
*
* doc:
* Decipher a time and date value.
=*/
void
optionTimeDate(tOptions * opts, tOptDesc * od)
{
#if defined(HAVE_GETDATE_R) && defined(HAVE_PUTENV)
if (INQUERY_CALL(opts, od))
return;
if ((! HAS_pzPkgDataDir(opts)) || (opts->pzPkgDataDir == NULL))
goto default_action;
/*
* Export the DATEMSK environment variable. getdate_r() uses it to
* find the file with the strptime formats. If we cannot find the file
* we need ($PKGDATADIR/datemsk), then fall back to just a time duration.
*/
{
static char * envptr = NULL;
if (envptr == NULL) {
static char const fmt[] = "DATEMSK=%s/datemsk";
envptr = AGALOC(sizeof(fmt) + strlen(opts->pzPkgDataDir), fmt);
sprintf(envptr, fmt, opts->pzPkgDataDir);
putenv(envptr);
}
if (access(envptr+8, R_OK) != 0)
goto default_action;
}
/*
* Convert the date to a time since the epoch and stash it in a long int.
*/
{
struct tm stm;
time_t tm;
if (getdate_r(od->optArg.argString, &stm) != 0) {
fprintf(stderr, zNotDate, opts->pzProgName,
od->optArg.argString);
if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0)
(*(opts->pUsageProc))(opts, EXIT_FAILURE);
return;
}
tm = mktime(&stm);
if (od->fOptState & OPTST_ALLOC_ARG) {
AGFREE(od->optArg.argString);
od->fOptState &= ~OPTST_ALLOC_ARG;
}
od->optArg.argInt = tm;
}
return;
default_action:
#endif
optionTimeVal(opts, od);
if (od->optArg.argInt != BAD_TIME)
od->optArg.argInt += (long)time(NULL);
}
/** @}
*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of autoopts/time.c */
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