Imported from /home/lorry/working-area/delta_ntp/ntp-dev-4.2.7p482.tar.gz.ntp-dev-4.2.7p482

1 files changed, 143 insertions, 0 deletions

diff --git a/sntp/libopts/time.c b/sntp/libopts/time.c
new file mode 100644
index 0000000..517d5b1
--- /dev/null
+++ b/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) 1992-2014 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 */