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authorNick Clifton <nickc@redhat.com>2002-04-15 14:32:28 +0000
committerNick Clifton <nickc@redhat.com>2002-04-15 14:32:28 +0000
commitc4f3d13082964c89028a78caee4ce5395c26fcc1 (patch)
tree5068545a71b276fe34bae91b98860ae0ba4ac826 /bfd/opncls.c
parent45b99827916a4cbbf1b721ff346e69255550899b (diff)
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Write contents if writeable.
Diffstat (limited to 'bfd/opncls.c')
-rw-r--r--bfd/opncls.c68
1 files changed, 32 insertions, 36 deletions
diff --git a/bfd/opncls.c b/bfd/opncls.c
index 0b285d4..49482f0 100644
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -1,25 +1,25 @@
/* opncls.c -- open and close a BFD.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
- 2001
+ 2001, 2002
Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
@@ -39,9 +39,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* fdopen is a loser -- we should use stdio exclusively. Unfortunately
if we do that we can't use fcntl. */
-/* FIXME: This is no longer used. */
-long _bfd_chunksize = -1;
-
/* Return a new BFD. All BFD's are allocated through this routine. */
bfd *
@@ -163,7 +160,7 @@ bfd_openr (filename, target)
if (bfd_open_file (nbfd) == NULL)
{
- /* File didn't exist, or some such */
+ /* File didn't exist, or some such. */
bfd_set_error (bfd_error_system_call);
_bfd_delete_bfd (nbfd);
return NULL;
@@ -178,8 +175,7 @@ bfd_openr (filename, target)
won't cause a storage leak.
o - We open the file stream last, since we don't want to have to
close it if anything goes wrong. Closing the stream means closing
- the file descriptor too, even though we didn't open it.
- */
+ the file descriptor too, even though we didn't open it. */
/*
FUNCTION
bfd_fdopenr
@@ -218,7 +214,7 @@ bfd_fdopenr (filename, target, fd)
bfd_set_error (bfd_error_system_call);
#if ! defined(HAVE_FCNTL) || ! defined(F_GETFL)
- fdflags = O_RDWR; /* Assume full access */
+ fdflags = O_RDWR; /* Assume full access. */
#else
fdflags = fcntl (fd, F_GETFL, NULL);
#endif
@@ -239,7 +235,7 @@ bfd_fdopenr (filename, target, fd)
#ifndef HAVE_FDOPEN
nbfd->iostream = (PTR) fopen (filename, FOPEN_RB);
#else
- /* (O_ACCMODE) parens are to avoid Ultrix header file bug */
+ /* (O_ACCMODE) parens are to avoid Ultrix header file bug. */
switch (fdflags & (O_ACCMODE))
{
case O_RDONLY: nbfd->iostream = (PTR) fdopen (fd, FOPEN_RB); break;
@@ -255,14 +251,13 @@ bfd_fdopenr (filename, target, fd)
return NULL;
}
- /* OK, put everything where it belongs */
-
+ /* OK, put everything where it belongs. */
nbfd->filename = filename;
/* As a special case we allow a FD open for read/write to
be written through, although doing so requires that we end
the previous clause with a preposition. */
- /* (O_ACCMODE) parens are to avoid Ultrix header file bug */
+ /* (O_ACCMODE) parens are to avoid Ultrix header file bug. */
switch (fdflags & (O_ACCMODE))
{
case O_RDONLY: nbfd->direction = read_direction; break;
@@ -329,10 +324,10 @@ bfd_openstreamr (filename, target, streamarg)
return nbfd;
}
-/** bfd_openw -- open for writing.
- Returns a pointer to a freshly-allocated BFD on success, or NULL.
+/* bfd_openw -- open for writing.
+ Returns a pointer to a freshly-allocated BFD on success, or NULL.
- See comment by bfd_fdopenr before you try to modify this function. */
+ See comment by bfd_fdopenr before you try to modify this function. */
/*
FUNCTION
@@ -360,8 +355,7 @@ bfd_openw (filename, target)
bfd_set_error (bfd_error_system_call);
/* nbfd has to point to head of malloc'ed block so that bfd_close may
- reclaim it correctly. */
-
+ reclaim it correctly. */
nbfd = _bfd_new_bfd ();
if (nbfd == NULL)
return NULL;
@@ -378,7 +372,8 @@ bfd_openw (filename, target)
if (bfd_open_file (nbfd) == NULL)
{
- bfd_set_error (bfd_error_system_call); /* File not writeable, etc */
+ /* File not writeable, etc. */
+ bfd_set_error (bfd_error_system_call);
_bfd_delete_bfd (nbfd);
return NULL;
}
@@ -417,7 +412,7 @@ bfd_close (abfd)
{
boolean ret;
- if (!bfd_read_p (abfd))
+ if (bfd_write_p (abfd))
{
if (! BFD_SEND_FMT (abfd, _bfd_write_contents, (abfd)))
return false;
@@ -429,7 +424,7 @@ bfd_close (abfd)
ret = bfd_cache_close (abfd);
/* If the file was open for writing and is now executable,
- make it so */
+ make it so. */
if (ret
&& abfd->direction == write_direction
&& abfd->flags & EXEC_P)
@@ -439,6 +434,7 @@ bfd_close (abfd)
if (stat (abfd->filename, &buf) == 0)
{
unsigned int mask = umask (0);
+
umask (mask);
chmod (abfd->filename,
(0777
@@ -471,7 +467,6 @@ DESCRIPTION
RETURNS
<<true>> is returned if all is ok, otherwise <<false>>.
-
*/
boolean
@@ -483,7 +478,7 @@ bfd_close_all_done (abfd)
ret = bfd_cache_close (abfd);
/* If the file was open for writing and is now executable,
- make it so */
+ make it so. */
if (ret
&& abfd->direction == write_direction
&& abfd->flags & EXEC_P)
@@ -493,6 +488,7 @@ bfd_close_all_done (abfd)
if (stat (abfd->filename, &buf) == 0)
{
unsigned int mask = umask (0);
+
umask (mask);
chmod (abfd->filename,
(0777
@@ -517,7 +513,6 @@ DESCRIPTION
<<bfd_openw>>, but without opening a file. The new BFD
takes the target from the target used by @var{template}. The
format is always set to <<bfd_object>>.
-
*/
bfd *
@@ -535,6 +530,7 @@ bfd_create (filename, templ)
nbfd->xvec = templ->xvec;
nbfd->direction = no_direction;
bfd_set_format (nbfd, bfd_object);
+
return nbfd;
}
@@ -570,7 +566,7 @@ bfd_make_writable(abfd)
bim = ((struct bfd_in_memory *)
bfd_malloc ((bfd_size_type) sizeof (struct bfd_in_memory)));
abfd->iostream = (PTR) bim;
- /* bfd_bwrite will grow these as needed */
+ /* bfd_bwrite will grow these as needed. */
bim->size = 0;
bim->buffer = 0;