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Code Issues Projects Releases Wiki Activity

2006-09-26 Jeff Johnston <jjohnstn@redhat.com>

Browse Source 
* libc/include/stdio.h[_REENT_SMALL]: Do not allow macros
        for clearerr, feof, or fileno.
        * libc/include/sys/reent.h[_REENT_SMALL](struct _reent): Change
        the dummy std stream scheme to use pointers to const external
        fake files, one for each standard stream.
        * libc/stdio/local.h (CHECK_INIT): Change to take a file pointer
        argument.  For _REENT_SMALL, reset the file pointer if it
        matches one of the fake std stream pointers.
        * libc/stdio/clearerr.c: Fix CHECK_INIT macro to add file pointer
        argument.
        * libc/stdio/fclose.c: Ditto.
        * libc/stdio/feof.c: Ditto.
        * libc/stdio/ferror.c: Ditto.
        * libc/stdio/fflush.c: Ditto.
        * libc/stdio/fgetc.c: Ditto.
        * libc/stdio/fgets.c: Ditto.
        * libc/stdio/fileno.c: Ditto.
        * libc/stdio/findfp.c: Ditto.
        * libc/stdio/fputc.c: Ditto.
        * libc/stdio/fputs.c: Ditto.
        * libc/stdio/fread.c: Ditto.
        * libc/stdio/freopen.c: Ditto.
        * libc/stdio/fseek.c: Ditto.
        * libc/stdio/ftell.c: Ditto.
        * libc/stdio/fwrite.c: Ditto.
        * libc/stdio/getc.c: Ditto.
        * libc/stdio/getdelim.c: Ditto.
        * libc/stdio/putc.c: Ditto.
        * libc/stdio/refill.c: Ditto.
        * libc/stdio/setvbuf.c: Ditto.
        * libc/stdio/ungetc.c: Ditto.
        * libc/stdio/vfprintf.c: Ditto.
        * libc/stdio/vfscanf.c: Ditto.
        * libc/stdio/wbuf.c: Ditto.: Ditto.
        * libc/stdio/wsetup.c: Ditto.
        * libc/stdio64/freopen64.c: Ditto.
        * libc/stdio64/fseeko64.c: Ditto.
        * libc/stdio64/ftello64.c: Ditto.
        * libc/machine/powerpc/vfprintf.c: Ditto.
        * libc/machine/powerpc/vfscanf.c: Ditto.
This commit is contained in:
Jeff Johnston 2006-09-26 21:22:19 +00:00
parent 1aeca89244
commit e5e148d15b
35 changed files with 131 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
newlib/ChangeLog
View File

@ -1,3 +1,46 @@
2006-09-26 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/stdio.h[_REENT_SMALL]: Do not allow macros
for clearerr, feof, or fileno.
* libc/include/sys/reent.h[_REENT_SMALL](struct _reent): Change
the dummy std stream scheme to use pointers to const external
fake files, one for each standard stream.
* libc/stdio/local.h (CHECK_INIT): Change to take a file pointer
argument. For _REENT_SMALL, reset the file pointer if it
matches one of the fake std stream pointers.
* libc/stdio/clearerr.c: Fix CHECK_INIT macro to add file pointer
argument.
* libc/stdio/fclose.c: Ditto.
* libc/stdio/feof.c: Ditto.
* libc/stdio/ferror.c: Ditto.
* libc/stdio/fflush.c: Ditto.
* libc/stdio/fgetc.c: Ditto.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fileno.c: Ditto.
* libc/stdio/findfp.c: Ditto.
* libc/stdio/fputc.c: Ditto.
* libc/stdio/fputs.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/ftell.c: Ditto.
* libc/stdio/fwrite.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/putc.c: Ditto.
* libc/stdio/refill.c: Ditto.
* libc/stdio/setvbuf.c: Ditto.
* libc/stdio/ungetc.c: Ditto.
* libc/stdio/vfprintf.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/wbuf.c: Ditto.: Ditto.
* libc/stdio/wsetup.c: Ditto.
* libc/stdio64/freopen64.c: Ditto.
* libc/stdio64/fseeko64.c: Ditto.
* libc/stdio64/ftello64.c: Ditto.
* libc/machine/powerpc/vfprintf.c: Ditto.
* libc/machine/powerpc/vfscanf.c: Ditto.
2006-09-22 Paul Brook <paul@codesourcery.com>
* libc/include/sys/reent.h: Define and use __reent_assert.

2
newlib/libc/include/stdio.h
View File

@ -455,9 +455,11 @@ static __inline int __sputc_r(struct _reent *_ptr, int _c, FILE *_p) {
#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
#define __sfileno(p) ((p)->_file)
#ifndef _REENT_SMALL
#define feof(p) __sfeof(p)
#define ferror(p) __sferror(p)
#define clearerr(p) __sclearerr(p)
#endif
#if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
#define fileno(p) __sfileno(p)

35
newlib/libc/include/sys/reent.h
View File

@ -13,6 +13,8 @@ extern "C" {
#include <_ansi.h>
#include <sys/_types.h>
#define _NULL 0
#ifndef __Long
#if __LONG_MAX__ == 2147483647L
#define __Long long
@ -157,8 +159,8 @@ struct __sFILE_fake {
struct _reent *_data;
};
/* CHECK_INIT() comes from stdio/local.h; be sure to include that. */
# define _REENT_SMALL_CHECK_INIT(ptr) CHECK_INIT(ptr)
/* CHECK_STD_INIT() comes from stdio/local.h; be sure to include that. */
# define _REENT_SMALL_CHECK_INIT(ptr) CHECK_STD_INIT(ptr)
#else
# define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */
#endif
@ -382,15 +384,18 @@ struct _reent
struct _glue __sglue; /* root of glue chain */
__FILE *__sf; /* file descriptors */
struct __sFILE_fake __sf_fake; /* fake initial stdin/out/err */
struct _misc_reent *_misc; /* strtok, multibyte states */
char *_signal_buf; /* strsignal */
};
extern const struct __sFILE_fake __sf_fake_stdin;
extern const struct __sFILE_fake __sf_fake_stdout;
extern const struct __sFILE_fake __sf_fake_stderr;
#define _REENT_INIT(var) \
{ (__FILE *)&var.__sf_fake, \
(__FILE *)&var.__sf_fake, \
(__FILE *)&var.__sf_fake, \
{ (__FILE *)&__sf_fake_stdin, \
(__FILE *)&__sf_fake_stdout, \
(__FILE *)&__sf_fake_stderr, \
0, \
0, \
_NULL, \
@ -410,15 +415,14 @@ struct _reent
{_NULL, 0, {_NULL}, _NULL}, \
{_NULL, 0, _NULL}, \
_NULL, \
{_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL}, \
_NULL, \
_NULL \
}
#define _REENT_INIT_PTR(var) \
{ var->_stdin = (__FILE *)&var->__sf_fake; \
var->_stdout = (__FILE *)&var->__sf_fake; \
var->_stderr = (__FILE *)&var->__sf_fake; \
{ var->_stdin = (__FILE *)&__sf_fake_stdin; \
var->_stdout = (__FILE *)&__sf_fake_stdout; \
var->_stderr = (__FILE *)&__sf_fake_stderr; \
var->_errno = 0; \
var->_inc = 0; \
var->_emergency = _NULL; \
@ -443,15 +447,6 @@ struct _reent
var->__sglue._niobs = 0; \
var->__sglue._iobs = _NULL; \
var->__sf = 0; \
var->__sf_fake._p = _NULL; \
var->__sf_fake._r = 0; \
var->__sf_fake._w = 0; \
var->__sf_fake._flags = 0; \
var->__sf_fake._file = 0; \
var->__sf_fake._bf._base = _NULL; \
var->__sf_fake._bf._size = 0; \
var->__sf_fake._lbfsize = 0; \
var->__sf_fake._data = _NULL; \
var->_misc = _NULL; \
var->_signal_buf = _NULL; \
}
@ -786,8 +781,6 @@ struct _reent
#endif /* !_REENT_SMALL */
#define _NULL 0
/*
* All references to struct _reent are via this pointer.
* Internally, newlib routines that need to reference it should use _REENT.

6
newlib/libc/machine/powerpc/vfprintf.c
View File

@ -321,7 +321,7 @@ _DEFUN (VFPRINTF, (fp, fmt0, ap),
_CONST char *fmt0 _AND
va_list ap)
{
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
return _VFPRINTF_R (_REENT, fp, fmt0, ap);
}
@ -875,7 +875,9 @@ reswitch: switch (ch) {
if (prec || flags & ALT)
size += prec + 1;
} else /* "0.X" */
size = prec + 2;
size = (prec || flags & ALT)
? prec + 2
: 1;
} else if (expt >= ndig) { /* fixed g fmt */
size = expt;
if (flags & ALT)

2
newlib/libc/machine/powerpc/vfscanf.c
View File

@ -224,7 +224,7 @@ _DEFUN (vfscanf, (fp, fmt, ap),
_CONST char *fmt _AND
va_list ap)
{
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
return __svfscanf_r (_REENT, fp, fmt, ap);
}

2
newlib/libc/stdio/clearerr.c
View File

@ -64,7 +64,7 @@ _VOID
_DEFUN(clearerr, (fp),
FILE * fp)
{
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
_flockfile (fp);
__sclearerr (fp);
_funlockfile (fp);

2
newlib/libc/stdio/fclose.c
View File

@ -76,7 +76,7 @@ _DEFUN(_fclose_r, (rptr, fp),
__sfp_lock_acquire ();
CHECK_INIT (rptr);
CHECK_INIT (rptr, fp);
_flockfile (fp);

2
newlib/libc/stdio/feof.c
View File

@ -57,7 +57,7 @@ _DEFUN(feof, (fp),
FILE * fp)
{
int result;
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
_flockfile (fp);
result = __sfeof (fp);
_funlockfile (fp);

2
newlib/libc/stdio/ferror.c
View File

@ -66,7 +66,7 @@ _DEFUN(ferror, (fp),
FILE * fp)
{
int result;
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
_flockfile (fp);
result = __sferror (fp);
_funlockfile (fp);

2
newlib/libc/stdio/fflush.c
View File

@ -67,7 +67,7 @@ _DEFUN(fflush, (fp),
if (fp == NULL)
return _fwalk (_GLOBAL_REENT, fflush);
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
_flockfile (fp);

4
newlib/libc/stdio/fgetc.c
View File

@ -77,7 +77,7 @@ _DEFUN(_fgetc_r, (ptr, fp),
FILE * fp)
{
int result;
CHECK_INIT(ptr);
CHECK_INIT(ptr, fp);
_flockfile (fp);
result = __sgetc_r (ptr, fp);
_funlockfile (fp);
@ -92,7 +92,7 @@ _DEFUN(fgetc, (fp),
{
#if !defined(PREFER_SIZE_OVER_SPEED) && !defined(__OPTIMIZE_SIZE__)
int result;
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
_flockfile (fp);
result = __sgetc_r (_REENT, fp);
_funlockfile (fp);

2
newlib/libc/stdio/fgets.c
View File

@ -96,7 +96,7 @@ _DEFUN(_fgets_r, (ptr, buf, n, fp),
s = buf;
CHECK_INIT(ptr);
CHECK_INIT(ptr, fp);
_flockfile (fp);
#ifdef __SCLE

2
newlib/libc/stdio/fileno.c
View File

@ -54,7 +54,7 @@ _DEFUN(fileno, (f),
FILE * f)
{
int result;
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, f);
_flockfile (f);
result = __sfileno (f);
_funlockfile (f);

9
newlib/libc/stdio/findfp.c
View File

@ -26,6 +26,15 @@
#include <sys/lock.h>
#include "local.h"
#ifdef _REENT_SMALL
const struct __sFILE_fake __sf_fake_stdin =
{_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL};
const struct __sFILE_fake __sf_fake_stdout =
{_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL};
const struct __sFILE_fake __sf_fake_stderr =
{_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL};
#endif
static _VOID
_DEFUN(std, (ptr, flags, file, data),
FILE *ptr _AND

4
newlib/libc/stdio/fputc.c
View File

@ -82,7 +82,7 @@ _DEFUN(_fputc_r, (ptr, ch, file),
FILE * file)
{
int result;
CHECK_INIT(ptr);
CHECK_INIT(ptr, file);
_flockfile (file);
result = _putc_r (ptr, ch, file);
_funlockfile (file);
@ -97,7 +97,7 @@ _DEFUN(fputc, (ch, file),
{
#if !defined(__OPTIMIZE_SIZE__) && !defined(PREFER_SIZE_OVER_SPEED)
int result;
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, file);
_flockfile (file);
result = _putc_r (_REENT, ch, file);
_funlockfile (file);

2
newlib/libc/stdio/fputs.c
View File

@ -86,7 +86,7 @@ _DEFUN(_fputs_r, (ptr, s, fp),
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
CHECK_INIT(ptr);
CHECK_INIT(ptr, fp);
_flockfile (fp);
result = __sfvwrite_r (ptr, fp, &uio);

2
newlib/libc/stdio/fread.c
View File

@ -145,7 +145,7 @@ _DEFUN(_fread_r, (ptr, buf, size, count, fp),
if ((resid = count * size) == 0)
return 0;
CHECK_INIT(ptr);
CHECK_INIT(ptr, fp);
_flockfile (fp);
if (fp->_r < 0)

2
newlib/libc/stdio/freopen.c
View File

@ -99,7 +99,7 @@ _DEFUN(_freopen_r, (ptr, file, mode, fp),
__sfp_lock_acquire ();
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile (fp);

2
newlib/libc/stdio/fseek.c
View File

@ -131,7 +131,7 @@ _DEFUN(_fseek_r, (ptr, fp, offset, whence),
/* Make sure stdio is set up. */
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile (fp);

2
newlib/libc/stdio/ftell.c
View File

@ -107,7 +107,7 @@ _DEFUN(_ftell_r, (ptr, fp),
/* Ensure stdio is set up. */
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile (fp);

2
newlib/libc/stdio/fwrite.c
View File

@ -117,7 +117,7 @@ _DEFUN(_fwrite_r, (ptr, buf, size, count, fp),
* generally slow and since this occurs whenever size==0.
*/
CHECK_INIT(ptr);
CHECK_INIT(ptr, fp);
_flockfile (fp);
if (__sfvwrite_r (ptr, fp, &uio) == 0)

4
newlib/libc/stdio/getc.c
View File

@ -91,7 +91,7 @@ _DEFUN(_getc_r, (ptr, fp),
register FILE *fp)
{
int result;
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile (fp);
result = __sgetc_r (ptr, fp);
_funlockfile (fp);
@ -105,7 +105,7 @@ _DEFUN(getc, (fp),
register FILE *fp)
{
int result;
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
_flockfile (fp);
result = __sgetc_r (_REENT, fp);
_funlockfile (fp);

2
newlib/libc/stdio/getdelim.c
View File

@ -79,7 +79,7 @@ _DEFUN(__getdelim, (bufptr, n, delim, fp),
*n = DEFAULT_LINE_SIZE;
}
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
_flockfile (fp);

26
newlib/libc/stdio/local.h
View File

@ -48,7 +48,31 @@ struct _glue * _EXFUN(__sfmoreglue,(struct _reent *,int n));
/* Called by the main entry point fns to ensure stdio has been initialized. */
#define CHECK_INIT(ptr) \
#ifdef _REENT_SMALL
#define CHECK_INIT(ptr, fp) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \
__sinit (ptr); \
if ((fp) == (FILE *)&__sf_fake_stdin) \
(fp) = stdin; \
else if ((fp) == (FILE *)&__sf_fake_stdout) \
(fp) = stdout; \
else if ((fp) == (FILE *)&__sf_fake_stderr) \
(fp) = stderr; \
} \
while (0)
#else /* !_REENT_SMALL */
#define CHECK_INIT(ptr, fp) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \
__sinit (ptr); \
} \
while (0)
#endif /* !_REENT_SMALL */
#define CHECK_STD_INIT(ptr) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \

4
newlib/libc/stdio/putc.c
View File

@ -96,7 +96,7 @@ _DEFUN(_putc_r, (ptr, c, fp),
register FILE *fp)
{
int result;
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile (fp);
result = __sputc_r (ptr, c, fp);
_funlockfile (fp);
@ -111,7 +111,7 @@ _DEFUN(putc, (c, fp),
{
#if !defined(PREFER_SIZE_OVER_SPEED) && !defined(__OPTIMIZE_SIZE__)
int result;
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
_flockfile (fp);
result = __sputc_r (_REENT, c, fp);
_funlockfile (fp);

2
newlib/libc/stdio/refill.c
View File

@ -43,7 +43,7 @@ _DEFUN(__srefill_r, (ptr, fp),
{
/* make sure stdio is set up */
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
fp->_r = 0; /* largely a convenience for callers */

2
newlib/libc/stdio/setvbuf.c
View File

@ -104,7 +104,7 @@ _DEFUN(setvbuf, (fp, buf, mode, size),
{
int ret = 0;
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
_flockfile (fp);

2
newlib/libc/stdio/ungetc.c
View File

@ -81,7 +81,7 @@ _DEFUN(_ungetc_r, (rptr, c, fp),
??? Might be able to remove this as some other stdio routine should
have already been called to get the char we are un-getting. */
CHECK_INIT (rptr);
CHECK_INIT (rptr, fp);
_flockfile (fp);

2
newlib/libc/stdio/vfprintf.c
View File

@ -540,7 +540,7 @@ _DEFUN(_VFPRINTF_R, (data, fp, fmt0, ap),
(u_long)GET_ARG (N, ap, u_int))
#endif
CHECK_INIT (data);
CHECK_INIT (data, fp);
_flockfile (fp);
/* sorry, fprintf(read_only_file, "") returns EOF, not 0 */

4
newlib/libc/stdio/vfscanf.c
View File

@ -231,7 +231,7 @@ _DEFUN(VFSCANF, (fp, fmt, ap),
_CONST char *fmt _AND
va_list ap)
{
CHECK_INIT(_REENT);
CHECK_INIT(_REENT, fp);
return __SVFSCANF_R (_REENT, fp, fmt, ap);
}
@ -253,7 +253,7 @@ _DEFUN(_VFSCANF_R, (data, fp, fmt, ap),
_CONST char *fmt _AND
va_list ap)
{
CHECK_INIT(data);
CHECK_INIT(data, fp);
return __SVFSCANF_R (data, fp, fmt, ap);
}

2
newlib/libc/stdio/wbuf.c
View File

@ -42,7 +42,7 @@ _DEFUN(__swbuf_r, (ptr, c, fp),
/* Ensure stdio has been initialized. */
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
/*
* In case we cannot write, or longjmp takes us out early,

2
newlib/libc/stdio/wsetup.c
View File

@ -34,7 +34,7 @@ _DEFUN(__swsetup, (fp),
{
/* Make sure stdio is set up. */
CHECK_INIT (_REENT);
CHECK_INIT (_REENT, fp);
/*
* If we are not writing, we had better be reading and writing.

2
newlib/libc/stdio64/freopen64.c
View File

@ -99,7 +99,7 @@ _DEFUN (_freopen64_r, (ptr, file, mode, fp),
__sfp_lock_acquire ();
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile(fp);

2
newlib/libc/stdio64/fseeko64.c
View File

@ -113,7 +113,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
/* Make sure stdio is set up. */
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile(fp);

2
newlib/libc/stdio64/ftello64.c
View File

@ -93,7 +93,7 @@ _DEFUN (_ftello64_r, (ptr, fp),
/* Ensure stdio is set up. */
CHECK_INIT (ptr);
CHECK_INIT (ptr, fp);
_flockfile(fp);