/* opncls.c -- open and close a BFD.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Copyright (C) 1990 91, 92, 93, 94 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "libbfd.h"
#include "obstack.h"
-extern void bfd_cache_init PARAMS ((bfd *));
-FILE *bfd_open_file PARAMS ((bfd *));
+
+#ifndef S_IXUSR
+#define S_IXUSR 0100 /* Execute by owner. */
+#endif
+#ifndef S_IXGRP
+#define S_IXGRP 0010 /* Execute by group. */
+#endif
+#ifndef S_IXOTH
+#define S_IXOTH 0001 /* Execute by others. */
+#endif
/* fdopen is a loser -- we should use stdio exclusively. Unfortunately
if we do that we can't use fcntl. */
-#define obstack_chunk_alloc bfd_xmalloc_by_size_t
+#define obstack_chunk_alloc malloc
#define obstack_chunk_free free
/* Return a new BFD. All BFD's are allocated through this routine. */
bfd *
-new_bfd PARAMS ((void))
+_bfd_new_bfd ()
{
bfd *nbfd;
- nbfd = (bfd *)zalloc (sizeof (bfd));
+ nbfd = (bfd *)bfd_zmalloc (sizeof (bfd));
if (!nbfd)
- return 0;
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return 0;
+ }
bfd_check_init();
- obstack_begin((PTR)&nbfd->memory, 128);
+ if (!obstack_begin(&nbfd->memory, 128))
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return 0;
+ }
nbfd->arch_info = &bfd_default_arch_struct;
/* Allocate a new BFD as a member of archive OBFD. */
bfd *
-new_bfd_contained_in (obfd)
+_bfd_new_bfd_contained_in (obfd)
bfd *obfd;
{
bfd *nbfd;
- nbfd = new_bfd();
+ nbfd = _bfd_new_bfd();
nbfd->xvec = obfd->xvec;
nbfd->my_archive = obfd;
nbfd->direction = read_direction;
/*
SECTION
- Opening and Closing BFDs
+ Opening and closing BFDs
*/
Open the file @var{filename} (using <<fopen>>) with the target
@var{target}. Return a pointer to the created BFD.
- If NULL is returned then an error has occured. Possible errors
- are <<no_memory>>, <<invalid_target>> or <<system_call>> error.
-
Calls <<bfd_find_target>>, so @var{target} is interpreted as by
that function.
+
+ If <<NULL>> is returned then an error has occured. Possible errors
+ are <<bfd_error_no_memory>>, <<bfd_error_invalid_target>> or <<system_call>> error.
*/
bfd *
-DEFUN(bfd_openr, (filename, target),
- CONST char *filename AND
- CONST char *target)
+bfd_openr (filename, target)
+ CONST char *filename;
+ CONST char *target;
{
bfd *nbfd;
- bfd_target *target_vec;
+ const bfd_target *target_vec;
- nbfd = new_bfd();
+ nbfd = _bfd_new_bfd();
if (nbfd == NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
target_vec = bfd_find_target (target, nbfd);
if (target_vec == NULL) {
- bfd_error = invalid_target;
+ bfd_set_error (bfd_error_invalid_target);
return NULL;
}
nbfd->direction = read_direction;
if (bfd_open_file (nbfd) == NULL) {
- bfd_error = system_call_error; /* File didn't exist, or some such */
+ bfd_set_error (bfd_error_system_call); /* File didn't exist, or some such */
bfd_release(nbfd,0);
return NULL;
}
<<bfd_close>>, and will not be affected by BFD operations on other
files.
- Possible errors are <<no_memory>>, <<invalid_target>> and <<system_call_error>>.
+ Possible errors are <<bfd_error_no_memory>>, <<bfd_error_invalid_target>> and <<bfd_error_system_call>>.
*/
bfd *
-DEFUN(bfd_fdopenr,(filename, target, fd),
- CONST char *filename AND
- CONST char *target AND
- int fd)
+bfd_fdopenr (filename, target, fd)
+ CONST char *filename;
+ CONST char *target;
+ int fd;
{
bfd *nbfd;
- bfd_target *target_vec;
+ const bfd_target *target_vec;
int fdflags;
- bfd_error = system_call_error;
+ bfd_set_error (bfd_error_system_call);
#ifdef NO_FCNTL
fdflags = O_RDWR; /* Assume full access */
#endif
if (fdflags == -1) return NULL;
- nbfd = new_bfd();
+ nbfd = _bfd_new_bfd();
if (nbfd == NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
target_vec = bfd_find_target (target, nbfd);
if (target_vec == NULL) {
- bfd_error = invalid_target;
+ bfd_set_error (bfd_error_invalid_target);
return NULL;
}
-#if defined(VMS) || defined(__GO32__)
+#if defined(VMS) || defined(__GO32__) || defined (WIN32)
nbfd->iostream = (char *)fopen(filename, FOPEN_RB);
#else
/* (O_ACCMODE) parens are to avoid Ultrix header file bug */
default: abort ();
}
- bfd_cache_init (nbfd);
+ if (! bfd_cache_init (nbfd))
+ return NULL;
+
+ return nbfd;
+}
+
+/*
+FUNCTION
+ bfd_openstreamr
+
+SYNOPSIS
+ bfd *bfd_openstreamr();
+
+DESCRIPTION
+
+ Open a BFD for read access on an existing stdio stream. When
+ the BFD is passed to <<bfd_close>>, the stream will be closed.
+*/
+
+bfd *
+bfd_openstreamr (filename, target, stream)
+ const char *filename;
+ const char *target;
+ FILE *stream;
+{
+ bfd *nbfd;
+ const bfd_target *target_vec;
+
+ nbfd = _bfd_new_bfd ();
+ if (nbfd == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return NULL;
+ }
+
+ target_vec = bfd_find_target (target, nbfd);
+ if (target_vec == NULL)
+ {
+ bfd_set_error (bfd_error_invalid_target);
+ return NULL;
+ }
+
+ nbfd->iostream = (char *) stream;
+ nbfd->filename = filename;
+ nbfd->direction = read_direction;
+
+ if (! bfd_cache_init (nbfd))
+ return NULL;
return nbfd;
}
Create a BFD, associated with file @var{filename}, using the
file format @var{target}, and return a pointer to it.
- Possible errors are <<system_call_error>>, <<no_memory>>,
- <<invalid_target>>.
+ Possible errors are <<bfd_error_system_call>>, <<bfd_error_no_memory>>,
+ <<bfd_error_invalid_target>>.
*/
bfd *
-DEFUN(bfd_openw,(filename, target),
- CONST char *filename AND
- CONST char *target)
+bfd_openw (filename, target)
+ CONST char *filename;
+ CONST char *target;
{
bfd *nbfd;
- bfd_target *target_vec;
+ const bfd_target *target_vec;
- bfd_error = system_call_error;
+ 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. */
- nbfd = new_bfd();
+ nbfd = _bfd_new_bfd();
if (nbfd == NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
nbfd->direction = write_direction;
if (bfd_open_file (nbfd) == NULL) {
- bfd_error = system_call_error; /* File not writeable, etc */
+ bfd_set_error (bfd_error_system_call); /* File not writeable, etc */
(void) obstack_free (&nbfd->memory, (PTR)0);
return NULL;
}
boolean
-DEFUN(bfd_close,(abfd),
- bfd *abfd)
+bfd_close (abfd)
+ bfd *abfd;
{
boolean ret;
- if (!bfd_read_p(abfd))
- if (BFD_SEND_FMT (abfd, _bfd_write_contents, (abfd)) != true)
- return false;
+ if (!bfd_read_p (abfd))
+ {
+ if (! BFD_SEND_FMT (abfd, _bfd_write_contents, (abfd)))
+ return false;
+ }
- if (BFD_SEND (abfd, _close_and_cleanup, (abfd)) != true) return false;
+ if (! BFD_SEND (abfd, _close_and_cleanup, (abfd)))
+ return false;
- ret = bfd_cache_close(abfd);
+ ret = bfd_cache_close (abfd);
/* If the file was open for writing and is now executable,
make it so */
- if (ret == true
+ if (ret
&& abfd->direction == write_direction
- && abfd->flags & EXEC_P) {
- struct stat buf;
- stat(abfd->filename, &buf);
-#ifndef S_IXUSR
-#define S_IXUSR 0100 /* Execute by owner. */
-#endif
-#ifndef S_IXGRP
-#define S_IXGRP 0010 /* Execute by group. */
-#endif
-#ifndef S_IXOTH
-#define S_IXOTH 0001 /* Execute by others. */
-#endif
+ && abfd->flags & EXEC_P)
+ {
+ struct stat buf;
+
+ if (stat (abfd->filename, &buf) == 0)
+ {
+ int mask = umask (0);
+ umask (mask);
+ chmod (abfd->filename,
+ (0777
+ & (buf.st_mode | ((S_IXUSR | S_IXGRP | S_IXOTH) &~ mask))));
+ }
+ }
- chmod(abfd->filename, 0777 & (buf.st_mode | S_IXUSR | S_IXGRP | S_IXOTH));
- }
(void) obstack_free (&abfd->memory, (PTR)0);
- (void) free(abfd);
+ (void) free (abfd);
+
return ret;
}
*/
boolean
-DEFUN(bfd_close_all_done,(abfd),
- bfd *abfd)
+bfd_close_all_done (abfd)
+ bfd *abfd;
{
boolean ret;
- ret = bfd_cache_close(abfd);
+ ret = bfd_cache_close (abfd);
/* If the file was open for writing and is now executable,
make it so */
- if (ret == true
+ if (ret
&& abfd->direction == write_direction
- && abfd->flags & EXEC_P) {
- struct stat buf;
- stat(abfd->filename, &buf);
-#ifndef S_IXUSR
-#define S_IXUSR 0100 /* Execute by owner. */
-#endif
-#ifndef S_IXGRP
-#define S_IXGRP 0010 /* Execute by group. */
-#endif
-#ifndef S_IXOTH
-#define S_IXOTH 0001 /* Execute by others. */
-#endif
-
- chmod(abfd->filename, 0x777 &(buf.st_mode | S_IXUSR | S_IXGRP | S_IXOTH));
- }
+ && abfd->flags & EXEC_P)
+ {
+ struct stat buf;
+
+ if (stat (abfd->filename, &buf) == 0)
+ {
+ int mask = umask (0);
+ umask (mask);
+ chmod (abfd->filename,
+ (0x777
+ & (buf.st_mode | ((S_IXUSR | S_IXGRP | S_IXOTH) &~ mask))));
+ }
+ }
(void) obstack_free (&abfd->memory, (PTR)0);
(void) free(abfd);
return ret;
*/
bfd_size_type
-DEFUN(bfd_alloc_size,(abfd),
- bfd *abfd)
+bfd_alloc_size (abfd)
+ bfd *abfd;
{
struct _obstack_chunk *chunk = abfd->memory.chunk;
size_t size = 0;
*/
bfd *
-DEFUN(bfd_create,(filename, templ),
- CONST char *filename AND
- bfd *templ)
+bfd_create (filename, templ)
+ CONST char *filename;
+ bfd *templ;
{
- bfd *nbfd = new_bfd();
+ bfd *nbfd = _bfd_new_bfd();
if (nbfd == (bfd *)NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return (bfd *)NULL;
}
nbfd->filename = filename;
PTR
-DEFUN(bfd_alloc_by_size_t,(abfd, size),
- bfd *abfd AND
- size_t size)
+bfd_alloc_by_size_t (abfd, size)
+ bfd *abfd;
+ size_t size;
{
- PTR res = obstack_alloc(&(abfd->memory), size);
- return res;
+ return obstack_alloc(&(abfd->memory), size);
}
-DEFUN(void bfd_alloc_grow,(abfd, ptr, size),
- bfd *abfd AND
- PTR ptr AND
- size_t size)
+void
+bfd_alloc_grow (abfd, ptr, size)
+ bfd *abfd;
+ PTR ptr;
+ size_t size;
{
(void) obstack_grow(&(abfd->memory), ptr, size);
}
-DEFUN(PTR bfd_alloc_finish,(abfd),
- bfd *abfd)
+
+PTR
+bfd_alloc_finish (abfd)
+ bfd *abfd;
{
return obstack_finish(&(abfd->memory));
}
-DEFUN(PTR bfd_alloc, (abfd, size),
- bfd *abfd AND
- size_t size)
+PTR
+bfd_alloc (abfd, size)
+ bfd *abfd;
+ size_t size;
{
return bfd_alloc_by_size_t(abfd, (size_t)size);
}
-DEFUN(PTR bfd_zalloc,(abfd, size),
- bfd *abfd AND
- size_t size)
+PTR
+bfd_zalloc (abfd, size)
+ bfd *abfd;
+ size_t size;
{
PTR res;
res = bfd_alloc(abfd, size);
- memset(res, 0, (size_t)size);
- return res;
-}
-
-DEFUN(PTR bfd_realloc,(abfd, old, size),
- bfd *abfd AND
- PTR old AND
- size_t size)
-{
- PTR res = bfd_alloc(abfd, size);
- memcpy(res, old, (size_t)size);
+ if (res)
+ memset(res, 0, (size_t)size);
return res;
}