am 567d3fcb: Merge "Switch to OpenBSD fopen/fclose."

* commit '567d3fcb7ece287a84912183e91eff851fa48fc2':
  Switch to OpenBSD fopen/fclose.

libc/Android.mk

@@ -242,8 +242,6 @@ libc_upstream_freebsd_src_files := \
     upstream-freebsd/lib/libc/gen/ldexp.c \
     upstream-freebsd/lib/libc/gen/sleep.c \
     upstream-freebsd/lib/libc/gen/usleep.c \
-    upstream-freebsd/lib/libc/stdio/fclose.c \
-    upstream-freebsd/lib/libc/stdio/fopen.c \
     upstream-freebsd/lib/libc/stdlib/abs.c \
     upstream-freebsd/lib/libc/stdlib/getopt_long.c \
     upstream-freebsd/lib/libc/stdlib/imaxabs.c \
@@ -388,6 +386,7 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/asprintf.c \
     upstream-openbsd/lib/libc/stdio/clrerr.c \
     upstream-openbsd/lib/libc/stdio/dprintf.c \
+    upstream-openbsd/lib/libc/stdio/fclose.c \
     upstream-openbsd/lib/libc/stdio/fdopen.c \
     upstream-openbsd/lib/libc/stdio/feof.c \
     upstream-openbsd/lib/libc/stdio/ferror.c \
@@ -402,6 +401,7 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/findfp.c \
     upstream-openbsd/lib/libc/stdio/flags.c \
     upstream-openbsd/lib/libc/stdio/fmemopen.c \
+    upstream-openbsd/lib/libc/stdio/fopen.c \
     upstream-openbsd/lib/libc/stdio/fprintf.c \
     upstream-openbsd/lib/libc/stdio/fpurge.c \
     upstream-openbsd/lib/libc/stdio/fputc.c \

libc/upstream-freebsd/android/include/freebsd-compat.h

@@ -38,17 +38,6 @@
 #define __usleep usleep
 
 /* Redirect internal C library calls to the public function. */
-#define _close close
-#define _fcntl fcntl
-#define _fstat fstat
 #define _nanosleep nanosleep
-#define _open open
-
-/* This one is only needed as long as we have a mix of OpenBSD and FreeBSD stdio. */
-#define _sseek __sseek
-
-/* This is in BSD's <stdlib.h>. */
-#include <stdint.h>
-extern uint32_t arc4random_uniform(uint32_t upper_bound);
 
 #endif

libc/upstream-openbsd/lib/libc/stdio/fclose.c

@@ -1,3 +1,4 @@
+/*	$OpenBSD: fclose.c,v 1.9 2009/11/09 00:18:27 kurt Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -30,19 +31,9 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)fclose.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "namespace.h"
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "un-namespace.h"
-#include <spinlock.h>
-#include "libc_private.h"
 #include "local.h"
 
 int
@@ -55,6 +46,7 @@ fclose(FILE *fp)
 		return (EOF);
 	}
 	FLOCKFILE(fp);
+	WCIO_FREE(fp);
 	r = fp->_flags & __SWR ? __sflush(fp) : 0;
 	if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
 		r = EOF;
@@ -64,22 +56,8 @@ fclose(FILE *fp)
 		FREEUB(fp);
 	if (HASLB(fp))
 		FREELB(fp);
-	fp->_file = -1;
 	fp->_r = fp->_w = 0;	/* Mess up if reaccessed. */
-
-	/*
-	 * Lock the spinlock used to protect __sglue list walk in
-	 * __sfp().  The __sfp() uses fp->_flags == 0 test as an
-	 * indication of the unused FILE.
-	 *
-	 * Taking the lock prevents possible compiler or processor
-	 * reordering of the writes performed before the final _flags
-	 * cleanup, making sure that we are done with the FILE before
-	 * it is considered available.
-	 */
-	STDIO_THREAD_LOCK();
 	fp->_flags = 0;		/* Release this FILE for reuse. */
-	STDIO_THREAD_UNLOCK();
 	FUNLOCKFILE(fp);
 	return (r);
 }

libc/upstream-openbsd/lib/libc/stdio/fopen.c

@@ -1,3 +1,4 @@
+/*	$OpenBSD: fopen.c,v 1.7 2008/05/03 18:46:41 chl Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -30,26 +31,17 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)fopen.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "namespace.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <unistd.h>
+#include <limits.h>
 #include <stdio.h>
 #include <errno.h>
-#include <limits.h>
+#include <unistd.h>
-#include "un-namespace.h"
-
 #include "local.h"
 
 FILE *
-fopen(const char * __restrict file, const char * __restrict mode)
+fopen(const char *file, const char *mode)
 {
 	FILE *fp;
 	int f;
@@ -59,23 +51,19 @@ fopen(const char * __restrict file, const char * __restrict mode)
 		return (NULL);
 	if ((fp = __sfp()) == NULL)
 		return (NULL);
-	if ((f = _open(file, oflags, DEFFILEMODE)) < 0) {
+	if ((f = open(file, oflags, DEFFILEMODE)) < 0) {
 		fp->_flags = 0;			/* release */
 		return (NULL);
 	}
-	/*
+
-	 * File descriptors are a full int, but _file is only a short.
+	/* _file is only a short */
-	 * If we get a valid file descriptor that is greater than
-	 * SHRT_MAX, then the fd will get sign-extended into an
-	 * invalid file descriptor.  Handle this case by failing the
-	 * open.
-	 */
 	if (f > SHRT_MAX) {
 		fp->_flags = 0;			/* release */
-		_close(f);
+		close(f);
 		errno = EMFILE;
 		return (NULL);
 	}
+
 	fp->_file = f;
 	fp->_flags = flags;
 	fp->_cookie = fp;
@@ -83,6 +71,7 @@ fopen(const char * __restrict file, const char * __restrict mode)
 	fp->_write = __swrite;
 	fp->_seek = __sseek;
 	fp->_close = __sclose;
+
 	/*
 	 * When opening in append mode, even though we use O_APPEND,
 	 * we need to seek to the end so that ftell() gets the right
@@ -92,6 +81,6 @@ fopen(const char * __restrict file, const char * __restrict mode)
 	 * fseek and ftell.)
 	 */
 	if (oflags & O_APPEND)
-		(void)_sseek(fp, (fpos_t)0, SEEK_END);
+		(void) __sseek((void *)fp, (fpos_t)0, SEEK_END);
 	return (fp);
 }