| 1 | SUBROUTINE local_getenv( var, ivar, value, ivalue ) |
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| 2 | |
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| 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: local_getenv.f90 1037 2012-10-22 14:10:22Z hoffmann $ |
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| 27 | ! |
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| 28 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 29 | ! code put under GPL (PALM 3.9) |
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| 30 | ! |
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| 31 | ! 82 2007-04-16 15:40:52Z raasch |
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| 32 | ! Preprocessor directives for old systems removed |
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| 33 | ! |
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| 34 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 35 | ! |
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| 36 | ! Revision 1.5 2003/05/09 14:37:07 raasch |
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| 37 | ! On the MUK cluster, only PE0 is able to read environment variables. |
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| 38 | ! Therefore, they have to be communicated via broadcast to the other PEs. |
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| 39 | ! |
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| 40 | ! Revision 1.1 1997/08/11 06:21:01 raasch |
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| 41 | ! Initial revision |
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| 42 | ! |
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| 43 | ! |
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| 44 | ! Description: |
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| 45 | ! ------------ |
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| 46 | ! Getting the values of environment-variabls (for different operating-systems) |
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| 47 | !------------------------------------------------------------------------------! |
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| 48 | |
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| 49 | #if defined( __lcmuk ) |
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| 50 | USE pegrid |
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| 51 | #endif |
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| 52 | CHARACTER (LEN=*) :: var, value |
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| 53 | INTEGER :: ivalue, ivar |
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| 54 | #if defined( __lcmuk ) |
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| 55 | INTEGER :: i, ia(20) |
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| 56 | #endif |
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| 57 | |
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| 58 | CALL GETENV( var(1:ivar), value ) |
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| 59 | ivalue = LEN_TRIM( value ) |
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| 60 | |
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| 61 | #if defined( __lcmuk ) && defined( __parallel ) |
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| 62 | ia = IACHAR( ' ' ) |
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| 63 | IF ( myid == 0 ) THEN |
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| 64 | DO i = 1, ivalue |
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| 65 | ia(i) = IACHAR( value(i:i) ) |
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| 66 | ENDDO |
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| 67 | ENDIF |
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| 68 | CALL MPI_BCAST( ia(1), 20, MPI_INTEGER, 0, comm2d, ierr ) |
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| 69 | DO i = 1, 20 |
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| 70 | IF ( ACHAR( ia(i) ) /= ' ' ) value(i:i) = ACHAR( ia(i) ) |
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| 71 | ENDDO |
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| 72 | ivalue = LEN_TRIM( value ) |
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| 73 | #endif |
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| 74 | END SUBROUTINE local_getenv |
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