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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2006-03-22 19:09:11 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2006-03-22 19:09:11 +0000 |
| commit | d67ab5eef80ed2d4891562bf5ff791c1b2af4a97 (patch) | |
| tree | ddee91463b1c5b5ef8aaf5e8a3581d490478bed9 /gcc/fortran/invoke.texi | |
| parent | 4dc7782d15938a44634f16465a4dab55a25d70d2 (diff) | |
| download | gcc-d67ab5eef80ed2d4891562bf5ff791c1b2af4a97.zip gcc-d67ab5eef80ed2d4891562bf5ff791c1b2af4a97.tar.gz gcc-d67ab5eef80ed2d4891562bf5ff791c1b2af4a97.tar.bz2 | |
[multiple changes]
2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de>
PR fortran/19303
* gfortran.h (gfc_option_t): Add record_marker.
* lang.opt: Add -frecord-marker=4 and -frecord-marker=8.
* trans-decl.c: Add gfor_fndecl_set_record_marker.
(gfc_build_builtin_function_decls): Set
gfor_fndecl_set_record_marker.
(gfc_generate_function_code): If we are in the main program
and -frecord-marker was provided, call set_record_marker.
* options.c (gfc_handle_option): Add handling for
-frecord-marker=4 and -frecord-marker=8.
* invoke.texi: Document -frecord-marker.
2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de>
PR fortran/19303
* libgfortran.h (compile_options_t): Add record_marker.
* runtime/compile_options.c (set_record_marker):
New function.
* io/open.c: If we have four-byte record markers, use
GFC_INTEGER_4_HUGE as default record length.
* io/file_pos.c (unformatted_backspace): Handle
different size record markers.
* io/transfer.c (us_read): Likewise.
(us_write): Likewise.
(next_record_r): Likewise.
(write_us_marker): Likewise.
(next_record_w): Likewise.
2006-03-22 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/19303
* gfortran.dg/record_marker_1.f90: New test case.
* gfortran.dg/record_marker_2.f: New test case.
* gfortran.dg/record_marker_3.f90: New test case.
From-SVN: r112290
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 627d778..e95b32b 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -145,7 +145,7 @@ by type. Explanations are in the following sections. @item Runtime Options @xref{Runtime Options,,Options for influencing runtime behavior}. @gccoptlist{ --fconvert=@var{conversion}} +-fconvert=@var{conversion} -frecord-marker=@var{length}} @item Code Generation Options @xref{Code Gen Options,,Options for Code Generation Conventions}. @@ -613,6 +613,17 @@ representation for unformatted files. @emph{This option has an effect only when used in the main program. The @code{CONVERT} specifier and the GFORTRAN_CONVERT_UNIT environment variable override the default specified by -fconvert.} + +@cindex -frecord-marker=@var{length} +@item -frecord-marker=@var{length} +Specify the length of record markers for unformatted files. +Valid values for @var{length} are 4 and 8. Default is whatever +@code{off_t} is specified to be on that particular system. +Note that specifying @var{length} as 4 limits the record +length of unformatted files to 2 GB. This option does not +extend the maximum possible record length on systems where +@code{off_t} is a four_byte quantity. + @end table @node Code Gen Options |