fredec3.F

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!||====================================================================
!||    fredec3                ../engine/source/output/message/fredec3.F
!||--- called by ------------------------------------------------------
!||    build_msg              ../common_source/tools/memory/my_alloc.F90
!||--- calls      -----------------------------------------------------
!||    arret                  ../engine/source/system/arret.F
!||--- uses       -----------------------------------------------------
!||    names_and_titles_mod   ../common_source/modules/names_and_titles_mod.F
!||====================================================================
      SUBROUTINE fredec3(LINE,KEY)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE names_and_titles_mod, ONLY: ncharline100
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
#include      "units_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      CHARACTER(LEN=NCHARLINE100)::LINE,KEY
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,J1,J2,J
      key=' '
      i=2
      DO WHILE(line(i:i)/='/')
        i=i+1
        IF(i>ncharline100) GOTO 900
      ENDDO
      i=i+1
      DO WHILE(line(i:i)/='/')
        i=i+1
        IF(i>ncharline100) GOTO 900
      ENDDO
      i=i+1
      IF(i>ncharline100) GOTO 900
      j1=i
      DO WHILE(line(i:i)/='/')
        i=i+1
        IF(i>ncharline100) THEN
          j2=ncharline100
          GOTO 10
        END IF
      ENDDO
      j2=i-1
   10 CONTINUE
C
      key=trim(line(j1:j2))
      RETURN
C
C cannot use ANCMSG : used to build message structure
  900 CONTINUE
          WRITE(istdo,*)
     .   ' ** error in fredec3 WHILE getting key',
     .   ' ** line=',LINE
          WRITE(IOUT,*)
     .   ' ** error in fredec3 WHILE getting key',
     .   ' ** line=',LINE
          CALL ARRET(2)
      RETURN
      END