source: palm/trunk/SOURCE/local_getenv.f90 @ 1682

Last change on this file since 1682 was 1682, checked in by knoop, 6 years ago

Code annotations made doxygen readable

  • Property svn:keywords set to Id
File size: 2.5 KB
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[1682]1!> @file local_getenv.f90
[1036]2!--------------------------------------------------------------------------------!
3! This file is part of PALM.
4!
5! PALM is free software: you can redistribute it and/or modify it under the terms
6! of the GNU General Public License as published by the Free Software Foundation,
7! either version 3 of the License, or (at your option) any later version.
8!
9! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
10! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
12!
13! You should have received a copy of the GNU General Public License along with
14! PALM. If not, see <http://www.gnu.org/licenses/>.
15!
[1310]16! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]17!--------------------------------------------------------------------------------!
18!
[484]19! Current revisions:
[1]20! -----------------
[1682]21! Code annotations made doxygen readable
[1321]22! Former revisions:
23! -----------------
24! $Id: local_getenv.f90 1682 2015-10-07 23:56:08Z knoop $
25!
26! 1320 2014-03-20 08:40:49Z raasch $
[1320]27! ONLY-attribute added to USE-statements,
28! kind-parameters added to all INTEGER and REAL declaration statements,
29! kinds are defined in new module kinds,
30! revision history before 2012 removed,
31! comment fields (!:) to be used for variable explanations added to
32! all variable declaration statements
[1]33!
[1037]34! 1036 2012-10-22 13:43:42Z raasch
35! code put under GPL (PALM 3.9)
36!
[1]37! Revision 1.1  1997/08/11 06:21:01  raasch
38! Initial revision
39!
40!
41! Description:
42! ------------
[1682]43!> Getting the values of environment-variabls (for different operating-systems)
[3]44!------------------------------------------------------------------------------!
[1682]45 SUBROUTINE local_getenv( var, ivar, value, ivalue )
46 
[1]47
[1320]48    USE kinds
49       
[1]50#if defined( __lcmuk )
51    USE pegrid
52#endif
[1682]53    CHARACTER (LEN=*) ::  value  !<
54    CHARACTER (LEN=*) ::  var    !<
[1320]55   
[1682]56    INTEGER(iwp)      ::  ivalue !<
57    INTEGER(iwp)      ::  ivar   !<
[1]58#if defined( __lcmuk )
[1682]59    INTEGER(iwp)      ::  i      !<
60    INTEGER(iwp)      ::  ia(20) !<
[1]61#endif
62
63    CALL GETENV( var(1:ivar), value )
64    ivalue = LEN_TRIM( value )
65
66#if defined( __lcmuk )  &&  defined( __parallel )
67    ia = IACHAR( ' ' )
68    IF ( myid == 0 )  THEN
69       DO  i = 1, ivalue
70          ia(i) = IACHAR( value(i:i) )
71       ENDDO
72    ENDIF
73    CALL MPI_BCAST( ia(1), 20, MPI_INTEGER, 0, comm2d, ierr )
74    DO  i = 1, 20
75       IF ( ACHAR( ia(i) ) /= ' ' )  value(i:i) = ACHAR( ia(i) )
76    ENDDO
77    ivalue = LEN_TRIM( value )
78#endif
79 END SUBROUTINE local_getenv   
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