[Bug libfortran/20179] cannot mix C and Fortran I/O

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-09-11 18:55 -------
Subject: Bug 20179

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	fxcoudert@gcc.gnu.org	2005-09-11 18:55:16

Modified files:
	gcc/testsuite  : ChangeLog 
	libgfortran    : ChangeLog 
	libgfortran/io : io.h transfer.c unix.c 
Added files:
	gcc/testsuite/gfortran.dg: overwrite_1.f 

Log message:
	PR libfortran/19872
	* gfortran.dg/overwrite_1.f: New test.
	
	PR libfortran/19872
	PR libfortran/20179
	* io/unix.c (is_preconnected): Add function to test if a stream
	corresponds to a preconnected unit.
	* io/io.h: Add prototype for is_preconnected.
	* io/transfer.c (data_transfer_init): Truncate overwritten files
	on first write, but not preconnected units.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.397&r2=1.5084.2.398
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gfortran.dg/overwrite_1.f.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.163.2.90&r2=1.163.2.91
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/io.h.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.16.10.7&r2=1.16.10.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/transfer.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.32.2.16&r2=1.32.2.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/unix.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.21.10.14&r2=1.21.10.15



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20179