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-rw-r--r--libio/oldiopopen.c110
1 files changed, 26 insertions, 84 deletions
diff --git a/libio/oldiopopen.c b/libio/oldiopopen.c
index ea75b4fb90..e47965db0a 100644
--- a/libio/oldiopopen.c
+++ b/libio/oldiopopen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Per Bothner <bothner@cygnus.com>.
@@ -26,77 +26,22 @@
in files containing the exception. */
#define _IO_USE_OLD_IO_FILE
-#ifndef _POSIX_SOURCE
-# define _POSIX_SOURCE
-#endif
#include "libioP.h"
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
-#ifdef _LIBC
-# include <unistd.h>
-#endif
+#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
-#ifndef _IO_fork
-#ifdef _LIBC
-#define _IO_fork __fork
-#else
-#define _IO_fork fork /* defined in libiberty, if needed */
-#endif
-extern _IO_pid_t _IO_fork (void) __THROW;
-#endif
-
#include <shlib-compat.h>
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
-#ifndef _IO_pipe
-#ifdef _LIBC
-#define _IO_pipe __pipe
-#else
-#define _IO_pipe pipe
-#endif
-extern int _IO_pipe (int des[2]) __THROW;
-#endif
-
-#ifndef _IO_dup2
-#ifdef _LIBC
-#define _IO_dup2 __dup2
-#else
-#define _IO_dup2 dup2
-#endif
-extern int _IO_dup2 (int fd, int fd2) __THROW;
-#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_complete_plus file;
/* Following fields must match those in class procbuf (procbuf.h) */
- _IO_pid_t pid;
+ pid_t pid;
struct _IO_proc_file *next;
};
typedef struct _IO_proc_file _IO_proc_file;
@@ -113,17 +58,17 @@ unlock (void *not_used)
}
#endif
-_IO_FILE *
+FILE *
attribute_compat_text_section
-_IO_old_proc_open (_IO_FILE *fp, const char *command, const char *mode)
+_IO_old_proc_open (FILE *fp, const char *command, const char *mode)
{
volatile int read_or_write;
volatile int parent_end, child_end;
int pipe_fds[2];
- _IO_pid_t child_pid;
+ pid_t child_pid;
if (_IO_file_is_open (fp))
return NULL;
- if (_IO_pipe (pipe_fds) < 0)
+ if (__pipe (pipe_fds) < 0)
return NULL;
if (mode[0] == 'r' && mode[1] == '\0')
{
@@ -139,36 +84,36 @@ _IO_old_proc_open (_IO_FILE *fp, const char *command, const char *mode)
}
else
{
- _IO_close (pipe_fds[0]);
- _IO_close (pipe_fds[1]);
+ __close (pipe_fds[0]);
+ __close (pipe_fds[1]);
__set_errno (EINVAL);
return NULL;
}
- ((_IO_proc_file *) fp)->pid = child_pid = _IO_fork ();
+ ((_IO_proc_file *) fp)->pid = child_pid = __fork ();
if (child_pid == 0)
{
int child_std_end = mode[0] == 'r' ? 1 : 0;
struct _IO_proc_file *p;
- _IO_close (parent_end);
+ __close (parent_end);
if (child_end != child_std_end)
{
- _IO_dup2 (child_end, child_std_end);
- _IO_close (child_end);
+ __dup2 (child_end, child_std_end);
+ __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." */
for (p = old_proc_file_chain; p; p = p->next)
- _IO_close (_IO_fileno ((_IO_FILE *) p));
+ __close (_IO_fileno ((FILE *) p));
- _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0);
- _IO__exit (127);
+ execl ("/bin/sh", "sh", "-c", command, (char *) 0);
+ _exit (127);
}
- _IO_close (child_end);
+ __close (child_end);
if (child_pid < 0)
{
- _IO_close (parent_end);
+ __close (parent_end);
return NULL;
}
_IO_fileno (fp) = parent_end;
@@ -189,7 +134,7 @@ _IO_old_proc_open (_IO_FILE *fp, const char *command, const char *mode)
return fp;
}
-_IO_FILE *
+FILE *
attribute_compat_text_section
_IO_old_popen (const char *command, const char *mode)
{
@@ -200,7 +145,7 @@ _IO_old_popen (const char *command, const char *mode)
_IO_lock_t lock;
#endif
} *new_f;
- _IO_FILE *fp;
+ FILE *fp;
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
@@ -211,10 +156,7 @@ _IO_old_popen (const char *command, const char *mode)
fp = &new_f->fpx.file.file._file;
_IO_old_init (fp, 0);
_IO_JUMPS_FILE_plus (&new_f->fpx.file) = &_IO_old_proc_jumps;
- _IO_old_file_init ((struct _IO_FILE_plus *) &new_f->fpx.file);
-#if !_IO_UNIFIED_JUMPTABLES
- new_f->fpx.file.vtable = NULL;
-#endif
+ _IO_old_file_init_internal ((struct _IO_FILE_plus *) &new_f->fpx.file);
if (_IO_old_proc_open (fp, command, mode) != NULL)
return fp;
_IO_un_link ((struct _IO_FILE_plus *) &new_f->fpx.file);
@@ -224,12 +166,12 @@ _IO_old_popen (const char *command, const char *mode)
int
attribute_compat_text_section
-_IO_old_proc_close (_IO_FILE *fp)
+_IO_old_proc_close (FILE *fp)
{
/* This is not name-space clean. FIXME! */
int wstatus;
_IO_proc_file **ptr = &old_proc_file_chain;
- _IO_pid_t wait_pid;
+ pid_t wait_pid;
int status = -1;
/* Unlink from old_proc_file_chain. */
@@ -251,7 +193,7 @@ _IO_old_proc_close (_IO_FILE *fp)
_IO_cleanup_region_end (0);
#endif
- if (status < 0 || _IO_close (_IO_fileno(fp)) < 0)
+ if (status < 0 || __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
@@ -259,7 +201,7 @@ _IO_old_proc_close (_IO_FILE *fp)
described in POSIX.2, such implementations are not conforming." */
do
{
- wait_pid = _IO_waitpid (((_IO_proc_file *) fp)->pid, &wstatus, 0);
+ wait_pid = __waitpid (((_IO_proc_file *) fp)->pid, &wstatus, 0);
}
while (wait_pid == -1 && errno == EINTR);
if (wait_pid == -1)
@@ -267,7 +209,7 @@ _IO_old_proc_close (_IO_FILE *fp)
return wstatus;
}
-const struct _IO_jump_t _IO_old_proc_jumps = {
+const struct _IO_jump_t _IO_old_proc_jumps libio_vtable = {
JUMP_INIT_DUMMY,
JUMP_INIT(finish, _IO_old_file_finish),
JUMP_INIT(overflow, _IO_old_file_overflow),