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2004-05-03 Artem B. Bityuckiy <abitytsky@softminecorp.com> 

* libc/include/stdio.h (_ungetc_r): New prototype.
        * libc/stdio/ungetc.c (_ungetc_r): New reentrant function.
        (__submore): Add reentrant struct pointer argument.
        (ungetc): Change to call _ungetc_r.
This commit is contained in:
Jeff Johnston 2004-05-03 17:27:56 +00:00
parent 1e98729b2a
commit 20b0251ab3
3 changed files with 28 additions and 6 deletions
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7
newlib/ChangeLog
View File

@ -1,3 +1,10 @@
2004-05-03 Artem B. Bityuckiy <abitytsky@softminecorp.com>
* libc/include/stdio.h (_ungetc_r): New prototype.
* libc/stdio/ungetc.c (_ungetc_r): New reentrant function.
(__submore): Add reentrant struct pointer argument.
(ungetc): Change to call _ungetc_r.
2004-04-28 Artem B. Bityuckiy <abitytsky@softminecorp.com>
* libc/stdio/local.h (_fwalk_reent): Specify prototype of

1
newlib/libc/include/stdio.h
View File

@ -298,6 +298,7 @@ int _EXFUN(_sscanf_r, (struct _reent *, const char *, const char *, ...));
char * _EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
FILE * _EXFUN(_tmpfile_r, (struct _reent *));
char * _EXFUN(_tmpnam_r, (struct _reent *, char *));
int _EXFUN(_ungetc_r, (struct _reent *, int, FILE *));
int _EXFUN(_vasprintf_r, (struct _reent *, char **, const char *, __VALIST));
int _EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST));
int _EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST));

26
newlib/libc/stdio/ungetc.c
View File

@ -20,6 +20,7 @@ static char sccsid[] = "%W% (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */
#include <_ansi.h>
#include <reent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -34,7 +35,8 @@ static char sccsid[] = "%W% (Berkeley) %G%";
/*static*/
int
_DEFUN(__submore, (fp),
_DEFUN(__submore, (rptr, fp),
struct _reent *rptr _AND
register FILE *fp)
{
register int i;
@ -45,7 +47,7 @@ _DEFUN(__submore, (fp),
/*
* Get a new buffer (rather than expanding the old one).
*/
if ((p = (unsigned char *) _malloc_r (_REENT, (size_t) BUFSIZ)) == NULL)
if ((p = (unsigned char *) _malloc_r (rptr, (size_t) BUFSIZ)) == NULL)
return EOF;
fp->_ub._base = p;
fp->_ub._size = BUFSIZ;
@ -56,7 +58,7 @@ _DEFUN(__submore, (fp),
return 0;
}
i = fp->_ub._size;
p = (unsigned char *) _realloc_r (_REENT, (_PTR) (fp->_ub._base), i << 1);
p = (unsigned char *) _realloc_r (rptr, (_PTR) (fp->_ub._base), i << 1);
if (p == NULL)
return EOF;
_CAST_VOID memcpy ((_PTR) (p + i), (_PTR) p, (size_t) i);
@ -67,8 +69,9 @@ _DEFUN(__submore, (fp),
}
int
_DEFUN(ungetc, (c, fp),
int c _AND
_DEFUN(_ungetc_r, (rptr, c, fp),
struct _reent *rptr _AND
int c _AND
register FILE *fp)
{
if (c == EOF)
@ -118,7 +121,7 @@ _DEFUN(ungetc, (c, fp),
if (HASUB (fp))
{
if (fp->_r >= fp->_ub._size && __submore (fp))
if (fp->_r >= fp->_ub._size && __submore (rptr, fp))
{
_funlockfile (fp);
return EOF;
@ -158,3 +161,14 @@ _DEFUN(ungetc, (c, fp),
_funlockfile (fp);
return c;
}
#ifndef _REENT_ONLY
int
_DEFUN(ungetc, (c, fp),
int c _AND
register FILE *fp)
{
return _ungetc_r (_REENT, c, fp);
}
#endif /* !_REENT_ONLY */