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/**
* \file time.c
*
* Time-stamp: "2012-08-11 08:34:17 bkorb"
*
* This file is part of AutoOpts, a companion to AutoGen.
* AutoOpts is free software.
* AutoOpts is Copyright (c) 1992-2012 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 md5sums:
*
* 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
* 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
* 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
*/
/*=export_func optionTimeVal
* private:
*
* what: process an option with a time duration.
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* Decipher a time duration value.
=*/
void
optionTimeVal(tOptions * pOpts, tOptDesc * pOD)
{
time_t val;
if (pOpts <= OPTPROC_EMIT_LIMIT)
return;
if ((pOD->fOptState & OPTST_RESET) != 0)
return;
val = parse_duration(pOD->optArg.argString);
if (val == BAD_TIME) {
fprintf(stderr, zNotDuration, pOpts->pzProgName, pOD->optArg.argString);
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0)
(*(pOpts->pUsageProc))(pOpts, EXIT_FAILURE);
}
if (pOD->fOptState & OPTST_ALLOC_ARG) {
AGFREE(pOD->optArg.argString);
pOD->fOptState &= ~OPTST_ALLOC_ARG;
}
pOD->optArg.argInt = (unsigned long)val;
}
/*=export_func optionTimeDate
* private:
*
* what: process an option with a time and date.
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* Decipher a time and date value.
=*/
void
optionTimeDate(tOptions * pOpts, tOptDesc * pOD)
{
#if defined(HAVE_GETDATE_R) && defined(HAVE_PUTENV)
if (pOpts <= OPTPROC_EMIT_LIMIT)
return;
if ((! HAS_pzPkgDataDir(pOpts)) || (pOpts->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(pOpts->pzPkgDataDir), fmt);
sprintf(envptr, fmt, pOpts->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(pOD->optArg.argString, &stm) != 0) {
fprintf(stderr, zNotDate, pOpts->pzProgName,
pOD->optArg.argString);
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0)
(*(pOpts->pUsageProc))(pOpts, EXIT_FAILURE);
return;
}
tm = mktime(&stm);
if (pOD->fOptState & OPTST_ALLOC_ARG) {
AGFREE(pOD->optArg.argString);
pOD->fOptState &= ~OPTST_ALLOC_ARG;
}
pOD->optArg.argInt = tm;
}
return;
default_action:
#endif
optionTimeVal(pOpts, pOD);
if (pOD->optArg.argInt != BAD_TIME)
pOD->optArg.argInt += (unsigned 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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