| 1 | SUBROUTINE local_getenv( var, ivar, value, ivalue ) |
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| 2 | |
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| 3 | !-------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Log: local_getenv.f90,v $ |
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| 11 | ! Revision 1.5 2003/05/09 14:37:07 raasch |
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| 12 | ! On the MUK cluster, only PE0 is able to read environment variables. |
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| 13 | ! Therefore, they have to be communicated via broadcast to the other PEs. |
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| 14 | ! |
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| 15 | ! Revision 1.4 2003/03/16 09:40:22 raasch |
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| 16 | ! Two underscores (_) are placed in front of all define-strings |
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| 17 | ! |
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| 18 | ! Revision 1.3 2001/01/22 07:23:55 raasch |
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| 19 | ! Comments translated into English |
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| 20 | ! |
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| 21 | ! Revision 1.2 1998/07/16 06:50:50 raasch |
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| 22 | ! cpp-Direktiven fuer t3ej2 und t3ej5 erweitert |
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| 23 | ! |
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| 24 | ! Revision 1.1 1997/08/11 06:21:01 raasch |
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| 25 | ! Initial revision |
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| 26 | ! |
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| 27 | ! |
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| 28 | ! Description: |
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| 29 | ! ------------ |
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| 30 | ! Getting the values of environment-variabls (for different operating-systems) |
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| 31 | !-------------------------------------------------------------------------------! |
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| 32 | |
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| 33 | #if defined( __lcmuk ) |
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| 34 | USE pegrid |
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| 35 | #endif |
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| 36 | CHARACTER (LEN=*) :: var, value |
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| 37 | INTEGER :: ivalue, ivar |
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| 38 | #if defined( __t3eb ) || defined( __t3eh ) || defined( __t3ej2 ) || defined( __t3ej5 ) |
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| 39 | INTEGER :: dummy |
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| 40 | #endif |
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| 41 | #if defined( __lcmuk ) |
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| 42 | INTEGER :: i, ia(20) |
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| 43 | #endif |
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| 44 | |
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| 45 | #if defined( __t3eb ) || defined( __t3eh ) || defined( __t3ej2 ) || defined( __t3ej5 ) |
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| 46 | CALL PXFGETENV( var(1:ivar), ivar, value, ivalue, dummy ) |
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| 47 | IF ( ivalue == 0 ) value = '' |
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| 48 | #else |
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| 49 | CALL GETENV( var(1:ivar), value ) |
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| 50 | ivalue = LEN_TRIM( value ) |
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| 51 | #endif |
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| 52 | |
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| 53 | #if defined( __lcmuk ) && defined( __parallel ) |
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| 54 | ia = IACHAR( ' ' ) |
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| 55 | IF ( myid == 0 ) THEN |
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| 56 | DO i = 1, ivalue |
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| 57 | ia(i) = IACHAR( value(i:i) ) |
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| 58 | ENDDO |
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| 59 | ENDIF |
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| 60 | CALL MPI_BCAST( ia(1), 20, MPI_INTEGER, 0, comm2d, ierr ) |
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| 61 | DO i = 1, 20 |
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| 62 | IF ( ACHAR( ia(i) ) /= ' ' ) value(i:i) = ACHAR( ia(i) ) |
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| 63 | ENDDO |
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| 64 | ivalue = LEN_TRIM( value ) |
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| 65 | #endif |
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| 66 | END SUBROUTINE local_getenv |
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