glibc/libio/oldiopopen.c

289 lines
7.3 KiB
C
Raw Normal View History

/* Copyright (C) 1998,99,2000 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
Written by Per Bothner <bothner@cygnus.com>.
This library 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, or (at
your option) any later version.
This library 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 library; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
As a special exception, if you link this library with files
compiled with a GNU compiler to produce an executable, this does
not cause the resulting executable to be covered by the GNU General
Public License. This exception does not however invalidate any
other reasons why the executable file might be covered by the GNU
General Public License. */
#include <shlib-compat.h>
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
#define _IO_USE_OLD_IO_FILE
#ifndef _POSIX_SOURCE
# define _POSIX_SOURCE
#endif
#include "libioP.h"
#if _IO_HAVE_SYS_WAIT
#include <signal.h>
#include <unistd.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
#ifdef _LIBC
# include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/wait.h>
#ifndef _IO_fork
#ifdef _LIBC
#define _IO_fork __vfork
#else
#define _IO_fork vfork /* defined in libiberty, if needed */
#endif
extern _IO_pid_t _IO_fork __P ((void));
#endif
#endif /* _IO_HAVE_SYS_WAIT */
#ifndef _IO_pipe
#ifdef _LIBC
#define _IO_pipe __pipe
#else
#define _IO_pipe pipe
#endif
extern int _IO_pipe __P ((int des[2]));
#endif
#ifndef _IO_dup2
#ifdef _LIBC
#define _IO_dup2 __dup2
#else
#define _IO_dup2 dup2
#endif
extern int _IO_dup2 __P ((int fd, int fd2));
#endif
#ifndef _IO_waitpid
#ifdef _LIBC
#define _IO_waitpid __waitpid
#else
#define _IO_waitpid waitpid
#endif
#endif
#ifndef _IO_execl
#define _IO_execl execl
#endif
#ifndef _IO__exit
#define _IO__exit _exit
#endif
#ifndef _IO_close
#ifdef _LIBC
#define _IO_close __close
#else
#define _IO_close close
#endif
#endif
struct _IO_proc_file
{
struct _IO_FILE_plus file;
/* Following fields must match those in class procbuf (procbuf.h) */
_IO_pid_t pid;
struct _IO_proc_file *next;
};
typedef struct _IO_proc_file _IO_proc_file;
static struct _IO_proc_file *old_proc_file_chain;
_IO_FILE *
_IO_old_proc_open (fp, command, mode)
_IO_FILE *fp;
const char *command;
const char *mode;
{
#if _IO_HAVE_SYS_WAIT
volatile int read_or_write;
volatile int parent_end, child_end;
int pipe_fds[2];
_IO_pid_t child_pid;
if (_IO_file_is_open (fp))
return NULL;
if (_IO_pipe (pipe_fds) < 0)
return NULL;
if (mode[0] == 'r' && mode[1] == '\0')
{
parent_end = pipe_fds[0];
child_end = pipe_fds[1];
read_or_write = _IO_NO_WRITES;
}
else if (mode[0] == 'w' && mode[1] == '\0')
{
parent_end = pipe_fds[1];
child_end = pipe_fds[0];
read_or_write = _IO_NO_READS;
}
else
{
_IO_close (pipe_fds[0]);
_IO_close (pipe_fds[1]);
__set_errno (EINVAL);
return NULL;
}
((_IO_proc_file *) fp)->pid = child_pid = _IO_fork ();
if (child_pid == 0)
{
int child_std_end = mode[0] == 'r' ? 1 : 0;
Update. 1999-06-18 Thorsten Kukuk <kukuk@suse.de> * sysdeps/alpha/atomicity.h: Correct counting of subsections. 1999-06-17 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdlib/tst-strtoll.c: Avoid warning about huge constant. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdio-common/vfprintf.c (group_member): Make parameters and return types pointers to CHAR_T instead of UCHAR_T. (vfprintf): Change type of work_buffer, workend and string to CHAR_T pointer/array. (process_arg, process_string_arg): Adjust/remove casts. Add missing use of L_ macro. (printf_unknown): Add missing uses of L_ macro. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * wcsmbs/wcschrnul.c: Explicitly cast return value to avoid warning. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * libio/wgenops.c (__wuflow): Fix use of WEOF vs. EOF. Call _IO_switch_to_wget_mode instead of _IO_switch_to_get_mode. (__wunderflow): Likewise. (_IO_switch_to_wget_mode): Likewise. (_IO_init_wmarker): Likewise. * libio/wfileops.c (_IO_wfile_seekoff): Call _IO_switch_to_wget_mode, not _IO_switch_to_get_mode. (_IO_wfile_jumps): Fix pbackfail entry. * libio/iosetvbuf.c (_IO_setvbuf): Only call wide char setbuf function if the stream is currently unoriented. 1999-06-19 Zack Weinberg <zack@rabi.columbia.edu> * wcsmbs/wchar.h: Define __need___va_list before including stdarg.h. Wrap all wide stream functions with #ifdef __USE_ISOC9X. Use __gnuc_va_list in v*w(printf|scanf) prototypes. 1999-06-20 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libio/oldiopopen.c (_IO_old_proc_open): Apply change from 1999-03-29 to iopopen also here. Reported by Richard Braakman <dark@xs4all.nl>. 1999-06-20 Andreas Jaeger <aj@arthur.rhein-neckar.de> * include/features.h: Use __GNUC_PREREQ. * sysdeps/i386/fpu/bits/mathinline.h: Likewise 1999-06-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdio-common/vfscanf.c (ungetc, inchar) [COMPILE_WPRINTF]: Change EOF to WEOF and remove cast. (UNGETC): Remove macro. (_IO_vfwscanf): Change isspace to ISSPACE and UNGETC to ungetc. * stdio-common/printf-parse.h (find_spec) [!COMPILE_WPRINTF]: Change ISASCII to isascii and MBRLEN to mbrlen. (parse_one_spec): Compare info.spec always against wchar_t values. * stdio-common/vfprintf.c: Remove unused ISASCII and MBRLEN. (_itoa, _itoa_word) [COMPILE_WRPINTF]: Don't cast second argument. (NOT_IN_JUMP_RANGE, CHAR_CLASS): Change (int) to (INT_T), use L_. 1999-06-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * libio/Makefile (shared-only-routines): Add oldiofgetpos, oldiofgetpos64, oldiofsetpos and oldiofsetpos64. (routines): Include oldiofgetpos, oldiofgetpos64, oldiofsetpos and oldiofsetpos64 only if doing versioning.
1999-06-21 13:38:44 +00:00
struct _IO_proc_file *p;
_IO_close (parent_end);
if (child_end != child_std_end)
{
_IO_dup2 (child_end, child_std_end);
_IO_close (child_end);
}
/* POSIX.2: "popen() shall ensure that any streams from previous
popen() calls that remain open in the parent process are closed
in the new child process." */
Update. 1999-06-18 Thorsten Kukuk <kukuk@suse.de> * sysdeps/alpha/atomicity.h: Correct counting of subsections. 1999-06-17 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdlib/tst-strtoll.c: Avoid warning about huge constant. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdio-common/vfprintf.c (group_member): Make parameters and return types pointers to CHAR_T instead of UCHAR_T. (vfprintf): Change type of work_buffer, workend and string to CHAR_T pointer/array. (process_arg, process_string_arg): Adjust/remove casts. Add missing use of L_ macro. (printf_unknown): Add missing uses of L_ macro. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * wcsmbs/wcschrnul.c: Explicitly cast return value to avoid warning. 1999-06-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * libio/wgenops.c (__wuflow): Fix use of WEOF vs. EOF. Call _IO_switch_to_wget_mode instead of _IO_switch_to_get_mode. (__wunderflow): Likewise. (_IO_switch_to_wget_mode): Likewise. (_IO_init_wmarker): Likewise. * libio/wfileops.c (_IO_wfile_seekoff): Call _IO_switch_to_wget_mode, not _IO_switch_to_get_mode. (_IO_wfile_jumps): Fix pbackfail entry. * libio/iosetvbuf.c (_IO_setvbuf): Only call wide char setbuf function if the stream is currently unoriented. 1999-06-19 Zack Weinberg <zack@rabi.columbia.edu> * wcsmbs/wchar.h: Define __need___va_list before including stdarg.h. Wrap all wide stream functions with #ifdef __USE_ISOC9X. Use __gnuc_va_list in v*w(printf|scanf) prototypes. 1999-06-20 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libio/oldiopopen.c (_IO_old_proc_open): Apply change from 1999-03-29 to iopopen also here. Reported by Richard Braakman <dark@xs4all.nl>. 1999-06-20 Andreas Jaeger <aj@arthur.rhein-neckar.de> * include/features.h: Use __GNUC_PREREQ. * sysdeps/i386/fpu/bits/mathinline.h: Likewise 1999-06-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdio-common/vfscanf.c (ungetc, inchar) [COMPILE_WPRINTF]: Change EOF to WEOF and remove cast. (UNGETC): Remove macro. (_IO_vfwscanf): Change isspace to ISSPACE and UNGETC to ungetc. * stdio-common/printf-parse.h (find_spec) [!COMPILE_WPRINTF]: Change ISASCII to isascii and MBRLEN to mbrlen. (parse_one_spec): Compare info.spec always against wchar_t values. * stdio-common/vfprintf.c: Remove unused ISASCII and MBRLEN. (_itoa, _itoa_word) [COMPILE_WRPINTF]: Don't cast second argument. (NOT_IN_JUMP_RANGE, CHAR_CLASS): Change (int) to (INT_T), use L_. 1999-06-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * libio/Makefile (shared-only-routines): Add oldiofgetpos, oldiofgetpos64, oldiofsetpos and oldiofsetpos64. (routines): Include oldiofgetpos, oldiofgetpos64, oldiofsetpos and oldiofsetpos64 only if doing versioning.
1999-06-21 13:38:44 +00:00
for (p = old_proc_file_chain; p; p = p->next)
_IO_close (_IO_fileno ((_IO_FILE *) p));
_IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0);
_IO__exit (127);
}
_IO_close (child_end);
if (child_pid < 0)
{
_IO_close (parent_end);
return NULL;
}
_IO_fileno (fp) = parent_end;
/* Link into old_proc_file_chain. */
((_IO_proc_file *) fp)->next = old_proc_file_chain;
old_proc_file_chain = (_IO_proc_file *) fp;
_IO_mask_flags (fp, read_or_write, _IO_NO_READS|_IO_NO_WRITES);
return fp;
#else /* !_IO_HAVE_SYS_WAIT */
return NULL;
#endif
}
_IO_FILE *
_IO_old_popen (command, mode)
const char *command;
const char *mode;
{
struct locked_FILE
{
struct _IO_proc_file fpx;
#ifdef _IO_MTSAFE_IO
_IO_lock_t lock;
#endif
} *new_f;
_IO_FILE *fp;
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
#ifdef _IO_MTSAFE_IO
new_f->fpx.file.file._lock = &new_f->lock;
#endif
fp = &new_f->fpx.file.file;
_IO_init (fp, 0);
2000-06-28 Greg McGary <greg@mcgary.org> * libio/libio.h (struct _IO_cookie_file): Move struct type defintion out. (_IO_FILE): Declare chain as (struct _IO_FILE_plus *). * libio/libioP.h (struct _IO_cookie_file): Move struct type defintion in. (_IO_JUMPS): Don't cast THIS--expect arg to be a (struct _IO_FILE_plus *). (_IO_JUMPS_FUNC): Express in terms of _IO_JUMPS, and add cast to THIS, since _IO_JUMPS no longer does it implicitly. (_IO_file_init, _IO_old_file_init, _IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/strops.c (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/fileops.c (_IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). * libio/oldfileops.c (_IO_old_file_init): Likewise. * libio/genops.c (_IO_link_in, _IO_un_link): Likewise. (_IO_flush_all, _IO_flush_all_linebuffered, _IO_unbuffer_write): Declare iteration pointer as (struct _IO_FILE_plus *). (_IO_iter_next, _IO_iter_file): _IO_ITER is now (struct _IO_FILE_plus *). * libio/stdfiles.c (_IO_list_all): Declare as (struct _IO_FILE_plus *). * libio/oldstdfiles.c (_IO_list_all): Likewise. (_IO_check_libio): Set user-visible handles to (struct _IO_FILE_plus *). * libio/stdio.c (stdin, stdout, stderr): Set user-visible handles to (struct _IO_FILE_plus *). * libio/iofdopen.c (_IO_new_fdopen): Pass FILE handle pointer whose high bound includes vtable to all functions that will use vtable. For streambufs, pass pointer whose bounds include struct _IO_strfile. * libio/wgenops.c (_IO_wdefault_finish): Likewise. * libio/oldiofdopen.c (_IO_old_fdopen): Likewise. * libio/iofopen.c (_IO_new_fopen): Likewise. * libio/oldiofopen.c (_IO_old_fopen): Likewise. * libio/iofopen64.c (_IO_fopen64): Likewise. * libio/iopopen.c (_IO_new_popen): Likewise. * libio/oldiopopen.c (_IO_old_popen): Likewise. * libio/memstream.c (open_memstream): Likewise. * libio/iovsscanf.c (_IO_vsscanf): Likewise. * libio/iovsprintf.c (_IO_vsprintf): Likewise. * libio/iovdprintf.c (_IO_vdprintf): Likewise. * libio/iofopncook.c (_IO_cookie_init): Likewise. * libio/obprintf.c (_IO_obstack_vprintf): Likewise. * libio/vasprintf.c (_IO_vasprintf): Likewise. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/stdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * libio/oldstdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * stdlib/strfmon.c (__strfmon_l): Likewise. * stdio-common/vfprintf.c (buffered_vfprintf): Likewise. (vfprintf): Qualify computed-goto targets as unbounded. 2000-06-28 Greg McGary <greg@mcgary.org> * libio/libio.h (struct _IO_cookie_file): Move struct type defintion out. (_IO_FILE): Declare chain as (struct _IO_FILE_plus *). * libio/libioP.h (struct _IO_cookie_file): Move struct type defintion in. (_IO_JUMPS): Don't cast THIS--expect arg to be a (struct _IO_FILE_plus *). (_IO_JUMPS_FUNC): Express in terms of _IO_JUMPS, and add cast to THIS, since _IO_JUMPS no longer does it implicitly. (_IO_file_init, _IO_old_file_init, _IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/strops.c (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/fileops.c (_IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). * libio/oldfileops.c (_IO_old_file_init): Likewise. * libio/genops.c (_IO_link_in, _IO_un_link): Likewise. (_IO_flush_all, _IO_flush_all_linebuffered, _IO_unbuffer_write): Declare iteration pointer as (struct _IO_FILE_plus *). (_IO_iter_next, _IO_iter_file): _IO_ITER is now (struct _IO_FILE_plus *). * libio/stdfiles.c (_IO_list_all): Declare as (struct _IO_FILE_plus *). * libio/oldstdfiles.c (_IO_list_all): Likewise. (_IO_check_libio): Set user-visible handles to (struct _IO_FILE_plus *). * libio/stdio.c (stdin, stdout, stderr): Set user-visible handles to (struct _IO_FILE_plus *). * libio/iofdopen.c (_IO_new_fdopen): Pass FILE handle pointer whose high bound includes vtable to all functions that will use vtable. For streambufs, pass pointer whose bounds include struct _IO_strfile. * libio/wgenops.c (_IO_wdefault_finish): Likewise. * libio/oldiofdopen.c (_IO_old_fdopen): Likewise. * libio/iofopen.c (_IO_new_fopen): Likewise. * libio/oldiofopen.c (_IO_old_fopen): Likewise. * libio/iofopen64.c (_IO_fopen64): Likewise. * libio/iopopen.c (_IO_new_popen): Likewise. * libio/oldiopopen.c (_IO_old_popen): Likewise. * libio/memstream.c (open_memstream): Likewise. * libio/iovsscanf.c (_IO_vsscanf): Likewise. * libio/iovsprintf.c (_IO_vsprintf): Likewise. * libio/iovdprintf.c (_IO_vdprintf): Likewise. * libio/iofopncook.c (_IO_cookie_init): Likewise. * libio/obprintf.c (_IO_obstack_vprintf): Likewise. * libio/vasprintf.c (_IO_vasprintf): Likewise. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/stdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * libio/oldstdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * stdlib/strfmon.c (__strfmon_l): Likewise. * stdio-common/vfprintf.c (buffered_vfprintf): Likewise. (vfprintf): Qualify computed-goto targets as unbounded.
2000-06-29 07:16:42 +00:00
_IO_JUMPS (&new_f->fpx.file) = &_IO_old_proc_jumps;
_IO_old_file_init (&new_f->fpx.file);
#if !_IO_UNIFIED_JUMPTABLES
new_f->fpx.file.vtable = NULL;
#endif
if (_IO_old_proc_open (fp, command, mode) != NULL)
return fp;
2000-06-28 Greg McGary <greg@mcgary.org> * libio/libio.h (struct _IO_cookie_file): Move struct type defintion out. (_IO_FILE): Declare chain as (struct _IO_FILE_plus *). * libio/libioP.h (struct _IO_cookie_file): Move struct type defintion in. (_IO_JUMPS): Don't cast THIS--expect arg to be a (struct _IO_FILE_plus *). (_IO_JUMPS_FUNC): Express in terms of _IO_JUMPS, and add cast to THIS, since _IO_JUMPS no longer does it implicitly. (_IO_file_init, _IO_old_file_init, _IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/strops.c (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/fileops.c (_IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). * libio/oldfileops.c (_IO_old_file_init): Likewise. * libio/genops.c (_IO_link_in, _IO_un_link): Likewise. (_IO_flush_all, _IO_flush_all_linebuffered, _IO_unbuffer_write): Declare iteration pointer as (struct _IO_FILE_plus *). (_IO_iter_next, _IO_iter_file): _IO_ITER is now (struct _IO_FILE_plus *). * libio/stdfiles.c (_IO_list_all): Declare as (struct _IO_FILE_plus *). * libio/oldstdfiles.c (_IO_list_all): Likewise. (_IO_check_libio): Set user-visible handles to (struct _IO_FILE_plus *). * libio/stdio.c (stdin, stdout, stderr): Set user-visible handles to (struct _IO_FILE_plus *). * libio/iofdopen.c (_IO_new_fdopen): Pass FILE handle pointer whose high bound includes vtable to all functions that will use vtable. For streambufs, pass pointer whose bounds include struct _IO_strfile. * libio/wgenops.c (_IO_wdefault_finish): Likewise. * libio/oldiofdopen.c (_IO_old_fdopen): Likewise. * libio/iofopen.c (_IO_new_fopen): Likewise. * libio/oldiofopen.c (_IO_old_fopen): Likewise. * libio/iofopen64.c (_IO_fopen64): Likewise. * libio/iopopen.c (_IO_new_popen): Likewise. * libio/oldiopopen.c (_IO_old_popen): Likewise. * libio/memstream.c (open_memstream): Likewise. * libio/iovsscanf.c (_IO_vsscanf): Likewise. * libio/iovsprintf.c (_IO_vsprintf): Likewise. * libio/iovdprintf.c (_IO_vdprintf): Likewise. * libio/iofopncook.c (_IO_cookie_init): Likewise. * libio/obprintf.c (_IO_obstack_vprintf): Likewise. * libio/vasprintf.c (_IO_vasprintf): Likewise. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/stdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * libio/oldstdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * stdlib/strfmon.c (__strfmon_l): Likewise. * stdio-common/vfprintf.c (buffered_vfprintf): Likewise. (vfprintf): Qualify computed-goto targets as unbounded. 2000-06-28 Greg McGary <greg@mcgary.org> * libio/libio.h (struct _IO_cookie_file): Move struct type defintion out. (_IO_FILE): Declare chain as (struct _IO_FILE_plus *). * libio/libioP.h (struct _IO_cookie_file): Move struct type defintion in. (_IO_JUMPS): Don't cast THIS--expect arg to be a (struct _IO_FILE_plus *). (_IO_JUMPS_FUNC): Express in terms of _IO_JUMPS, and add cast to THIS, since _IO_JUMPS no longer does it implicitly. (_IO_file_init, _IO_old_file_init, _IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/strops.c (_IO_str_init_static, _IO_str_init_readonly): Declare 1st arg as (_IO_strfile *). * libio/fileops.c (_IO_new_file_init): Declare arg type as (struct _IO_FILE_plus *). * libio/oldfileops.c (_IO_old_file_init): Likewise. * libio/genops.c (_IO_link_in, _IO_un_link): Likewise. (_IO_flush_all, _IO_flush_all_linebuffered, _IO_unbuffer_write): Declare iteration pointer as (struct _IO_FILE_plus *). (_IO_iter_next, _IO_iter_file): _IO_ITER is now (struct _IO_FILE_plus *). * libio/stdfiles.c (_IO_list_all): Declare as (struct _IO_FILE_plus *). * libio/oldstdfiles.c (_IO_list_all): Likewise. (_IO_check_libio): Set user-visible handles to (struct _IO_FILE_plus *). * libio/stdio.c (stdin, stdout, stderr): Set user-visible handles to (struct _IO_FILE_plus *). * libio/iofdopen.c (_IO_new_fdopen): Pass FILE handle pointer whose high bound includes vtable to all functions that will use vtable. For streambufs, pass pointer whose bounds include struct _IO_strfile. * libio/wgenops.c (_IO_wdefault_finish): Likewise. * libio/oldiofdopen.c (_IO_old_fdopen): Likewise. * libio/iofopen.c (_IO_new_fopen): Likewise. * libio/oldiofopen.c (_IO_old_fopen): Likewise. * libio/iofopen64.c (_IO_fopen64): Likewise. * libio/iopopen.c (_IO_new_popen): Likewise. * libio/oldiopopen.c (_IO_old_popen): Likewise. * libio/memstream.c (open_memstream): Likewise. * libio/iovsscanf.c (_IO_vsscanf): Likewise. * libio/iovsprintf.c (_IO_vsprintf): Likewise. * libio/iovdprintf.c (_IO_vdprintf): Likewise. * libio/iofopncook.c (_IO_cookie_init): Likewise. * libio/obprintf.c (_IO_obstack_vprintf): Likewise. * libio/vasprintf.c (_IO_vasprintf): Likewise. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/stdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * libio/oldstdfiles.c (_IO_stdout_, _IO_stderr_): Likewise. * stdlib/strfmon.c (__strfmon_l): Likewise. * stdio-common/vfprintf.c (buffered_vfprintf): Likewise. (vfprintf): Qualify computed-goto targets as unbounded.
2000-06-29 07:16:42 +00:00
_IO_un_link (&new_f->fpx.file);
free (new_f);
return NULL;
}
int
_IO_old_proc_close (fp)
_IO_FILE *fp;
{
/* This is not name-space clean. FIXME! */
#if _IO_HAVE_SYS_WAIT
int wstatus;
_IO_proc_file **ptr = &old_proc_file_chain;
_IO_pid_t wait_pid;
int status = -1;
/* Unlink from old_proc_file_chain. */
for ( ; *ptr != NULL; ptr = &(*ptr)->next)
{
if (*ptr == (_IO_proc_file *) fp)
{
*ptr = (*ptr)->next;
status = 0;
break;
}
}
if (status < 0 || _IO_close (_IO_fileno(fp)) < 0)
return -1;
/* POSIX.2 Rationale: "Some historical implementations either block
or ignore the signals SIGINT, SIGQUIT, and SIGHUP while waiting
for the child process to terminate. Since this behavior is not
described in POSIX.2, such implementations are not conforming." */
do
{
wait_pid = _IO_waitpid (((_IO_proc_file *) fp)->pid, &wstatus, 0);
}
while (wait_pid == -1 && errno == EINTR);
if (wait_pid == -1)
return -1;
return wstatus;
#else /* !_IO_HAVE_SYS_WAIT */
return -1;
#endif
}
struct _IO_jump_t _IO_old_proc_jumps = {
JUMP_INIT_DUMMY,
JUMP_INIT(finish, _IO_old_file_finish),
JUMP_INIT(overflow, _IO_old_file_overflow),
JUMP_INIT(underflow, _IO_old_file_underflow),
JUMP_INIT(uflow, _IO_default_uflow),
JUMP_INIT(pbackfail, _IO_default_pbackfail),
JUMP_INIT(xsputn, _IO_old_file_xsputn),
JUMP_INIT(xsgetn, _IO_default_xsgetn),
JUMP_INIT(seekoff, _IO_old_file_seekoff),
JUMP_INIT(seekpos, _IO_default_seekpos),
JUMP_INIT(setbuf, _IO_old_file_setbuf),
JUMP_INIT(sync, _IO_old_file_sync),
JUMP_INIT(doallocate, _IO_file_doallocate),
JUMP_INIT(read, _IO_file_read),
JUMP_INIT(write, _IO_old_file_write),
JUMP_INIT(seek, _IO_file_seek),
JUMP_INIT(close, _IO_old_proc_close),
JUMP_INIT(stat, _IO_file_stat),
JUMP_INIT(showmanyc, _IO_default_showmanyc),
JUMP_INIT(imbue, _IO_default_imbue)
};
strong_alias (_IO_old_popen, __old_popen)
compat_symbol (libc, _IO_old_popen, _IO_popen, GLIBC_2_0);
compat_symbol (libc, __old_popen, popen, GLIBC_2_0);
compat_symbol (libc, _IO_old_proc_open, _IO_proc_open, GLIBC_2_0);
compat_symbol (libc, _IO_old_proc_close, _IO_proc_close, GLIBC_2_0);
#endif