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Switch to current upstream stdio makebuf.c and setvbuf.c.

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Change-Id: I4761b5e94459815520f01062eef39abf62af621f
This commit is contained in:
Elliott Hughes 2013-06-12 15:24:15 -07:00
parent f1867d47cb
commit 677ee56477
4 changed files with 34 additions and 14 deletions
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4
libc/Android.mk
View File

@ -26,13 +26,11 @@ libc_common_src_files := \
stdio/ftell.c \
stdio/fvwrite.c \
stdio/gets.c \
stdio/makebuf.c \
stdio/mktemp.c \
stdio/printf.c \
stdio/refill.c \
stdio/rewind.c \
stdio/scanf.c \
stdio/setvbuf.c \
stdio/snprintf.c\
stdio/sprintf.c \
stdio/sscanf.c \
@ -268,6 +266,7 @@ libc_upstream_freebsd_src_files := \
upstream-freebsd/lib/libc/stdio/fwrite.c \
upstream-freebsd/lib/libc/stdio/getc.c \
upstream-freebsd/lib/libc/stdio/getchar.c \
upstream-freebsd/lib/libc/stdio/makebuf.c \
upstream-freebsd/lib/libc/stdio/putc.c \
upstream-freebsd/lib/libc/stdio/putchar.c \
upstream-freebsd/lib/libc/stdio/puts.c \
@ -276,6 +275,7 @@ libc_upstream_freebsd_src_files := \
upstream-freebsd/lib/libc/stdio/rget.c \
upstream-freebsd/lib/libc/stdio/setbuf.c \
upstream-freebsd/lib/libc/stdio/setbuffer.c \
upstream-freebsd/lib/libc/stdio/setvbuf.c \
upstream-freebsd/lib/libc/stdio/tempnam.c \
upstream-freebsd/lib/libc/stdio/tmpnam.c \
upstream-freebsd/lib/libc/stdio/wsetup.c \

1
libc/upstream-freebsd/freebsd-compat.h
View File

@ -21,6 +21,7 @@
#define _close close
#define _fcntl fcntl
#define _fstat fstat
#define _open open
#define _sseek __sseek /* Needed as long as we have a mix of OpenBSD and FreeBSD stdio. */

20
libc/stdio/makebuf.c → libc/upstream-freebsd/lib/libc/stdio/makebuf.c
View File

@ -1,4 +1,3 @@
/* $OpenBSD: makebuf.c,v 1.8 2005/12/28 18:50:22 millert Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
@ -31,11 +30,21 @@
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)makebuf.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 <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include "un-namespace.h"
#include "libc_private.h"
#include "local.h"
/*
@ -43,7 +52,7 @@
* Per the ANSI C standard, ALL tty devices default to line buffered.
*
* As a side effect, we set __SOPT or __SNPT (en/dis-able fseek
* optimisation) right after the fstat() that finds the buffer size.
* optimisation) right after the _fstat() that finds the buffer size.
*/
void
__smakebuf(FILE *fp)
@ -65,6 +74,7 @@ __smakebuf(FILE *fp)
fp->_bf._size = 1;
return;
}
__cleanup = _cleanup;
flags |= __SMBF;
fp->_bf._base = fp->_p = p;
fp->_bf._size = size;
@ -81,15 +91,15 @@ __swhatbuf(FILE *fp, size_t *bufsize, int *couldbetty)
{
struct stat st;
if (fp->_file < 0 || fstat(fp->_file, &st) < 0) {
if (fp->_file < 0 || _fstat(fp->_file, &st) < 0) {
*couldbetty = 0;
*bufsize = BUFSIZ;
return (__SNPT);
}
/* could be a tty iff it is a character device */
*couldbetty = S_ISCHR(st.st_mode);
if (st.st_blksize == 0) {
*couldbetty = (st.st_mode & S_IFMT) == S_IFCHR;
if (st.st_blksize <= 0) {
*bufsize = BUFSIZ;
return (__SNPT);
}

23
libc/stdio/setvbuf.c → libc/upstream-freebsd/lib/libc/stdio/setvbuf.c
View File

@ -1,4 +1,3 @@
/* $OpenBSD: setvbuf.c,v 1.8 2005/08/08 08:05:36 espie Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
@ -31,16 +30,25 @@
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)setvbuf.c 8.2 (Berkeley) 11/16/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <stdio.h>
#include <stdlib.h>
#include "un-namespace.h"
#include "local.h"
#include "libc_private.h"
/*
* Set one of the three kinds of buffering, optionally including
* a buffer.
*/
int
setvbuf(FILE *fp, char *buf, int mode, size_t size)
setvbuf(FILE * __restrict fp, char * __restrict buf, int mode, size_t size)
{
int ret, flags;
size_t iosize;
@ -55,23 +63,22 @@ setvbuf(FILE *fp, char *buf, int mode, size_t size)
if ((mode != _IOFBF && mode != _IOLBF) || (int)size < 0)
return (EOF);
FLOCKFILE(fp);
/*
* Write current buffer, if any. Discard unread input (including
* ungetc data), cancel line buffering, and free old buffer if
* malloc()ed. We also clear any eof condition, as if this were
* a seek.
*/
FLOCKFILE(fp);
ret = 0;
(void)__sflush(fp);
if (HASUB(fp))
FREEUB(fp);
WCIO_FREE(fp);
fp->_r = fp->_lbfsize = 0;
flags = fp->_flags;
if (flags & __SMBF)
free((void *)fp->_bf._base);
flags &= ~(__SLBF | __SNBF | __SMBF | __SOPT | __SNPT | __SEOF);
flags &= ~(__SLBF | __SNBF | __SMBF | __SOPT | __SOFF | __SNPT | __SEOF);
/* If setting unbuffered mode, skip all the hard work. */
if (mode == _IONBF)
@ -124,7 +131,8 @@ nbf:
flags |= __SNPT;
/*
* Fix up the FILE fields.
* Fix up the FILE fields, and set __cleanup for output flush on
* exit (since we are buffered in some way).
*/
if (mode == _IOLBF)
flags |= __SLBF;
@ -146,7 +154,8 @@ nbf:
/* begin/continue reading, or stay in intermediate state */
fp->_w = 0;
}
FUNLOCKFILE(fp);
__cleanup = _cleanup;
FUNLOCKFILE(fp);
return (ret);
}