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-rw-r--r--bsd/freebsd/contrib/ntp/sntp/libopts/time.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/bsd/freebsd/contrib/ntp/sntp/libopts/time.c b/bsd/freebsd/contrib/ntp/sntp/libopts/time.c
new file mode 100644
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+++ b/bsd/freebsd/contrib/ntp/sntp/libopts/time.c
@@ -0,0 +1,143 @@
+
+/**
+ * \file time.c
+ *
+ * @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
+ */
+
+/*=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 */