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Diffstat (limited to 'fortran/src/H5f90global.f90')
| -rw-r--r-- | fortran/src/H5f90global.f90 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fortran/src/H5f90global.f90 b/fortran/src/H5f90global.f90 index ca50e20..6cb35c0 100644 --- a/fortran/src/H5f90global.f90 +++ b/fortran/src/H5f90global.f90 @@ -940,5 +940,33 @@ MODULE H5GLOBAL !!$ EQUIVALENCE(H5F_flags(1), H5F_SCOPE_GLOBAL_F) !!$ EQUIVALENCE(H5F_flags(2), H5F_SCOPE_LOCAL_F) +CONTAINS + + SUBROUTINE C2F_string(c_string, f_string) + + USE, INTRINSIC :: ISO_C_BINDING + IMPLICIT NONE + CHARACTER(KIND=C_CHAR, LEN=*), INTENT(IN) :: c_string + CHARACTER(LEN=*), INTENT(OUT) :: f_string + INTEGER(SIZE_T) :: c_len, f_len + + ! Find the length of the C string by located the null terminator + c_len = MAX(INDEX(c_string,C_NULL_CHAR, KIND=SIZE_T)-1,1) + ! Find the length of the Fortran string + f_len = LEN(f_string) + + ! CASE (1): C string is equal to or larger then Fortran character buffer, + ! so fill the entire Fortran buffer. + IF(c_len.GE.f_len)THEN ! + f_string(1:f_len) = c_string(1:f_len) + + ! CASE (2): C string is smaller then Fortran character buffer, + ! so copy C string and blank pad remaining characters. + ELSE + f_string(1:c_len) = c_string(1:c_len) + f_string(c_len+1:f_len) =' ' + ENDIF + END SUBROUTINE C2F_string + END MODULE H5GLOBAL |