Rework source layout in preparation for modular sudo.

plugins/sudoers/timestr.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 1999, 2009 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#include <time.h>
+
+#include "compat.h"
+
+char *get_timestr	__P((time_t, int));
+
+/*
+ * Return an ascii string with the current date + time
+ * Uses strftime() if available, else falls back to ctime().
+ */
+char *
+get_timestr(tstamp, log_year)
+    time_t tstamp;
+    int log_year;
+{
+    char *s;
+#ifdef HAVE_STRFTIME
+    static char buf[128];
+    struct tm *timeptr;
+
+    timeptr = localtime(&tstamp);
+    if (log_year)
+	s = "%h %e %T %Y";
+    else
+	s = "%h %e %T";
+
+    /* strftime() does not guarantee to NUL-terminate so we must check. */
+    buf[sizeof(buf) - 1] = '\0';
+    if (strftime(buf, sizeof(buf), s, timeptr) && buf[sizeof(buf) - 1] == '\0')
+	return(buf);
+
+#endif /* HAVE_STRFTIME */
+
+    s = ctime(&tstamp) + 4;		/* skip day of the week */
+    if (log_year)
+	s[20] = '\0';			/* avoid the newline */
+    else
+	s[15] = '\0';			/* don't care about year */
+
+    return(s);
+}