vendor/heimdal/1.5

1 files changed, 55 insertions, 40 deletions

diff --git a/lib/krb5/time.c b/lib/krb5/time.c
index 4cd992d48f27..247549ba2372 100644
--- a/lib/krb5/time.c
+++ b/lib/krb5/time.c
@@ -1,62 +1,77 @@
 /*
- * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden). 
- * All rights reserved. 
+ * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
  *
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
  *
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
  *
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 
 #include "krb5_locl.h"
 
-RCSID("$Id: time.c 14308 2004-10-13 17:57:11Z lha $");
-
-/*
+/**
  * Set the absolute time that the caller knows the kdc has so the
  * kerberos library can calculate the relative diffrence beteen the
  * KDC time and local system time.
+ *
+ * @param context Keberos 5 context.
+ * @param sec The applications new of "now" in seconds
+ * @param usec The applications new of "now" in micro seconds
+
+ * @return Kerberos 5 error code, see krb5_get_error_message().
+ *
+ * @ingroup krb5
  */
 
-krb5_error_code KRB5_LIB_FUNCTION
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_set_real_time (krb5_context context,
 		    krb5_timestamp sec,
 		    int32_t usec)
 {
     struct timeval tv;
-    
+
     gettimeofday(&tv, NULL);
 
     context->kdc_sec_offset = sec - tv.tv_sec;
-    context->kdc_usec_offset = usec - tv.tv_usec;
 
-    if (context->kdc_usec_offset < 0) {
-	context->kdc_sec_offset--;
-	context->kdc_usec_offset += 1000000;
-    }
+    /**
+     * If the caller passes in a negative usec, its assumed to be
+     * unknown and the function will use the current time usec.
+     */
+    if (usec >= 0) {
+	context->kdc_usec_offset = usec - tv.tv_usec;
+
+	if (context->kdc_usec_offset < 0) {
+	    context->kdc_sec_offset--;
+	    context->kdc_usec_offset += 1000000;
+	}
+    } else
+	context->kdc_usec_offset = tv.tv_usec;
+
     return 0;
 }
 
@@ -64,7 +79,7 @@ krb5_set_real_time (krb5_context context,
  * return ``corrected'' time in `timeret'.
  */
 
-krb5_error_code KRB5_LIB_FUNCTION
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_timeofday (krb5_context context,
 		krb5_timestamp *timeret)
 {
@@ -76,7 +91,7 @@ krb5_timeofday (krb5_context context,
  * like gettimeofday but with time correction to the KDC
  */
 
-krb5_error_code KRB5_LIB_FUNCTION
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_us_timeofday (krb5_context context,
 		   krb5_timestamp *sec,
 		   int32_t *usec)
@@ -90,8 +105,8 @@ krb5_us_timeofday (krb5_context context,
     return 0;
 }
 
-krb5_error_code KRB5_LIB_FUNCTION
-krb5_format_time(krb5_context context, time_t t, 
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_format_time(krb5_context context, time_t t,
 		 char *s, size_t len, krb5_boolean include_time)
 {
     struct tm *tm;
@@ -105,7 +120,7 @@ krb5_format_time(krb5_context context, time_t t,
     return 0;
 }
 
-krb5_error_code KRB5_LIB_FUNCTION
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_string_to_deltat(const char *string, krb5_deltat *deltat)
 {
     if((*deltat = parse_time(string, "s")) == -1)