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| author | Ulrich Drepper <drepper@redhat.com> | 2005-09-04 20:10:35 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-09-04 20:10:35 +0000 |
| commit | 34c5e4a1f1de2e755311855c1b15d1f35a1bd61f (patch) | |
| tree | cbc269d34a1496450decab9563c1fcd087b98f03 /libio | |
| parent | f2cd432663701ce4d346b7b3232ad74e98c90aab (diff) | |
| download | glibc-34c5e4a1f1de2e755311855c1b15d1f35a1bd61f.tar.gz glibc-34c5e4a1f1de2e755311855c1b15d1f35a1bd61f.tar.xz glibc-34c5e4a1f1de2e755311855c1b15d1f35a1bd61f.zip | |
* stdio-common/Makefile (tests): Add tst-put-error.
* stdio-common/tst-put-error.c: New file. * libio/fileops.c (_IO_new_file_xsputn): If overflow fails and no more data would have to be written signal error. * libio/oldfileops.c (_IO_old_file_xsputn): Likewise. * libio/fileops.c (_IO_new_file_overflow): Use NULL not 0.
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/fileops.c | 10 | ||||
| -rw-r--r-- | libio/oldfileops.c | 4 |
2 files changed, 8 insertions, 6 deletions
diff --git a/libio/fileops.c b/libio/fileops.c index 19151cf188..3ad9b74011 100644 --- a/libio/fileops.c +++ b/libio/fileops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -826,10 +826,10 @@ _IO_new_file_overflow (f, ch) return EOF; } /* If currently reading or no buffer allocated. */ - if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0 || f->_IO_write_base == 0) + if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0 || f->_IO_write_base == NULL) { /* Allocate a buffer if needed. */ - if (f->_IO_write_base == 0) + if (f->_IO_write_base == NULL) { INTUSE(_IO_doallocbuf) (f); _IO_setg (f, f->_IO_buf_base, f->_IO_buf_base, f->_IO_buf_base); @@ -1338,7 +1338,9 @@ _IO_new_file_xsputn (f, data, n) _IO_size_t block_size, do_write; /* Next flush the (full) buffer. */ if (_IO_OVERFLOW (f, EOF) == EOF) - return n - to_do; + /* If nothing else has to be written we must not signal the + caller that everything has been written. */ + return to_do == 0 ? EOF : n - to_do; /* Try to maintain alignment: write a whole number of blocks. dont_write is what gets left over. */ diff --git a/libio/oldfileops.c b/libio/oldfileops.c index b9efca7aa8..2dd618215b 100644 --- a/libio/oldfileops.c +++ b/libio/oldfileops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -752,7 +752,7 @@ _IO_old_file_xsputn (f, data, n) _IO_size_t block_size, do_write; /* Next flush the (full) buffer. */ if (__overflow (f, EOF) == EOF) - return n - to_do; + return to_do == 0 ? 0 : n - to_do; /* Try to maintain alignment: write a whole number of blocks. dont_write is what gets left over. */ |