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Annotation of fam/fam/timeval.c++, Revision 1.1.1.1

1.1       trev        1: //  Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
                      2: //
                      3: //  This program is free software; you can redistribute it and/or modify it
                      4: //  under the terms of version 2 of the GNU General Public License as
                      5: //  published by the Free Software Foundation.
                      6: //
                      7: //  This program is distributed in the hope that it would be useful, but
                      8: //  WITHOUT ANY WARRANTY; without even the implied warranty of
                      9: //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Further, any
                     10: //  license provided herein, whether implied or otherwise, is limited to
                     11: //  this program in accordance with the express provisions of the GNU
                     12: //  General Public License.  Patent licenses, if any, provided herein do not
                     13: //  apply to combinations of this program with other product or programs, or
                     14: //  any other product whatsoever.  This program is distributed without any
                     15: //  warranty that the program is delivered free of the rightful claim of any
                     16: //  third person by way of infringement or the like.  See the GNU General
                     17: //  Public License for more details.
                     18: //
                     19: //  You should have received a copy of the GNU General Public License along
                     20: //  with this program; if not, write the Free Software Foundation, Inc., 59
                     21: //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
                     22:
                     23: #include "timeval.h"
                     24:
                     25: timeval&
                     26: operator += (timeval& left, const timeval& right)
                     27: {
                     28:     left.tv_sec += right.tv_sec;
                     29:     left.tv_usec += right.tv_usec;
                     30:     while (left.tv_usec >= 1000000)
                     31:     {   left.tv_usec -= 1000000;
                     32: 	left.tv_sec += 1;
                     33:     }
                     34:     return left;
                     35: }
                     36:
                     37: timeval&
                     38: operator -= (timeval& left, const timeval& right)
                     39: {
                     40:     left.tv_sec -= right.tv_sec;
                     41:     left.tv_usec -= right.tv_usec;
                     42:     while (left.tv_usec < 0)
                     43:     {   left.tv_usec += 1000000;
                     44: 	left.tv_sec -= 1;
                     45:     }
                     46:     return left;
                     47: }