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[Bug libfortran/25949] Unbounded I/O buffer memory usage for formatted IO



------- Comment #4 from jb at gcc dot gnu dot org  2006-02-14 20:21 -------
Subject: Bug 25949

Author: jb
Date: Tue Feb 14 20:21:15 2006
New Revision: 110995

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110995
Log:
2006-02-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libgfortran/25949
        * io/io.h: Add set function pointer to struct stream.  
        * io/unix.c (fd_seek): Only update offset, don't seek.
        (fd_sset): New function.
        (fd_read): Call lseek directly if necessary.
        (fd_write): Likewise.
        (fd_open): Set pointer to fd_sset.
        (mem_set): New function.
        (open_internal): Set pointer to mem_set.
        * io/transfer.c (write_block_direct): Rename to write_buf, add
        error return, non-pointer length argument.
        (unformatted_write): Update to use write_buf.
        (us_write): Simplify by using swrite instead of salloc_w.
        (write_us_marker): New function.
        (new_record_w): Use sset instead of memset, use write_us_marker,
        simplify by using swrite instead of salloc_w.


Modified:
    branches/gcc-4_1-branch/libgfortran/ChangeLog
    branches/gcc-4_1-branch/libgfortran/io/io.h
    branches/gcc-4_1-branch/libgfortran/io/transfer.c
    branches/gcc-4_1-branch/libgfortran/io/unix.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25949


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