diff options
| -rw-r--r-- | gcc/fortran/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fortran/gfortran.texi | 5 | ||||
| -rw-r--r-- | gcc/fortran/intrinsic.texi | 71 |
3 files changed, 72 insertions, 9 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 005320b..0cef54d 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,8 @@ +2006-10-14 Tobias Burnus <burnus@net-b.de> + + * gfortran.texi: Add link to GFortran apps + * intrinsic.texi: Updated documentation of ACCESS and CHMOD + 2006-10-14 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR fortran/19261 diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index 00f3a45..9847cbf 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -161,7 +161,7 @@ it will do everything you expect from any decent compiler: @item Read a user's program, stored in a file and containing instructions written -in Fortran 77, Fortran 90 or Fortran 95. +in Fortran 77, Fortran 90, Fortran 95 or Fortran 2003. This file contains @dfn{source code}. @item @@ -404,7 +404,8 @@ large real-world programs, including @uref{http://mysite.verizon.net/serveall/moene.pdf, the HIRLAM weather-forecasting code} and @uref{http://www.theochem.uwa.edu.au/tonto/, the Tonto quantum -chemistry package}. +chemistry package}; see @url{http://gcc.gnu.org/wiki/GfortranApps} for an +extended list. Among other things, the GNU Fortran compiler is intended as a replacement for G77. At this point, nearly all programs that could be compiled with diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi index 55494cf..63453e7 100644 --- a/gcc/fortran/intrinsic.texi +++ b/gcc/fortran/intrinsic.texi @@ -52,7 +52,7 @@ Some intrinsics have documentation yet to be completed as indicated by 'document * Introduction: Introduction * @code{ABORT}: ABORT, Abort the program * @code{ABS}: ABS, Absolute value -* @code{ACCESS}: ACCESS, Checks file access method +* @code{ACCESS}: ACCESS, Checks file access modes * @code{ACHAR}: ACHAR, Character in @acronym{ASCII} collating sequence * @code{ACOS}: ACOS, Arccosine function * @code{ACOSH}: ACOSH, Hyperbolic arccosine function @@ -389,23 +389,56 @@ end program test_abs @node ACCESS -@section @code{ACCESS} --- Checks file access method +@section @code{ACCESS} --- Checks file access modes @findex @code{ACCESS} @cindex file system functions -Not yet implemented in GNU Fortran. - @table @asis @item @emph{Description}: +@code{ACCESS(NAME, MODE)} checks whether the file @var{NAME} +exists, is readable, writable or executable. Except for the +executable check, @code{ACCESS} can be replaced by +Fortran 95's @code{INQUIRE}. @item @emph{Standard}: GNU extension @item @emph{Class}: +Inquiry function + @item @emph{Syntax}: +@code{I = ACCESS(NAME, MODE)} + @item @emph{Arguments}: +@multitable @columnfractions .15 .80 +@item @var{NAME} @tab Scalar @code{CHARACTER} with the file name. +Tailing blank are ignored unless the character @code{achar(0)} is +present, then all characters up to and excluding @code{achar(0)} are +used as file name. +@item @var{MODE} @tab Scalar @code{CHARACTER} with the file access mode, +may be any concatenation of @code{"r"} (readable), @code{"w"} (writable) +and @code{"x"} (executable), or @code{" "} to check for existance. +@end multitable + @item @emph{Return value}: +Returns a scalar @code{INTEGER}, which is @code{0} if the file is +accessable in the given mode; otherwise or if an invalid argument +has been given for @code{MODE} the value @code{1} is returned. + @item @emph{Example}: +@smallexample +program access_test + implicit none + character(len=*), parameter :: file = 'test.dat' + character(len=*), parameter :: file2 = 'test.dat '//achar(0) + if(access(file,' ') == 0) print *, trim(file),' is exists' + if(access(file,'r') == 0) print *, trim(file),' is readable' + if(access(file,'w') == 0) print *, trim(file),' is writable' + if(access(file,'x') == 0) print *, trim(file),' is executable' + if(access(file2,'rwx') == 0) & + print *, trim(file2),' is readable, writable and executable' +end program access_test +@end smallexample @item @emph{Specific names}: @item @emph{See also}: @@ -1873,10 +1906,11 @@ END PROGRAM @findex @code{CHMOD} @cindex file system functions -Not yet implemented in GNU Fortran. - @table @asis @item @emph{Description}: +@code{CHMOD} changes the permissions of a file. This function invokes +@code{/bin/chmod} and might therefore not work on all platforms. +@code{CHMOD} as an intrinsic function is not implemented in GNU Fortran. @item @emph{Standard}: GNU extension @@ -1885,9 +1919,32 @@ GNU extension Subroutine @item @emph{Syntax}: +@code{CHMOD(NAME, MODE[, STATUS])} + @item @emph{Arguments}: -@item @emph{Return value}: +@multitable @columnfractions .15 .80 +@item @var{NAME} @tab Scalar @code{CHARACTER} with the file name. +Trailing blanks are ignored unless the character @code{achar(0)} is +present, then all characters up to and excluding @code{achar(0)} are +used as the file name. + +@item @var{MODE} @tab Scalar @code{CHARACTER} giving the file permission. +@var{MODE} uses the same syntax as the @var{MODE} argument of +@code{/bin/chmod}. + +@item @var{STATUS} @tab (optional) scalar @code{INTEGER}, which is +@code{0} on success and non-zero otherwise. +@end multitable + @item @emph{Example}: +@smallexample +program chmod_test + implicit none + integer :: status + call chmod('test.dat','u+x',status) + print *, 'Status: ', status +end program chmod_test +@end smallexample @item @emph{Specific names}: @item @emph{See also}: |