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