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