3 files changed, 52 insertions, 7 deletions

diff --git a/newlib/libc/stdio/iprintf.c b/newlib/libc/stdio/iprintf.c
index 9bbe733ea..4b698ad7f 100644
--- a/newlib/libc/stdio/iprintf.c
+++ b/newlib/libc/stdio/iprintf.c
@@ -96,8 +96,8 @@ int
 _iprintf_r(struct _reent *ptr, _CONST char *fmt, ...)
 #else
 int
-_iprintf_r(data, fmt, va_alist)
-           char *data;
+_iprintf_r(ptr, fmt, va_alist)
+           struct _reent *ptr;
            char *fmt;
            va_dcl
 #endif
@@ -111,7 +111,8 @@ _iprintf_r(data, fmt, va_alist)
 #else
   va_start (ap);
 #endif
-  ret = vfiprintf (_stdout_r (ptr), fmt, ap);
+  ret = _vfiprintf_r (ptr, _stdout_r (ptr), fmt, ap);
   va_end (ap);
   return ret;
 }
+
diff --git a/newlib/libc/stdio/siprintf.c b/newlib/libc/stdio/siprintf.c
index 146233971..95ff8084f 100644
--- a/newlib/libc/stdio/siprintf.c
+++ b/newlib/libc/stdio/siprintf.c
@@ -27,6 +27,12 @@ ANSI_SYNOPSIS
 
         int siprintf(char *<[str]>, const char *<[format]> [, <[arg]>, ...]);
 
+TRAD_SYNOPSIS
+        #include <stdio.h>
+
+        int siprintf(<[str]>, <[format]>, [, <[arg]>, ...])
+        char *<[str]>;
+        const char *<[format]>;
 
 DESCRIPTION
 <<siprintf>> is a restricted version of <<sprintf>>: it has the same
@@ -58,6 +64,8 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
 #include <limits.h>
 #include "local.h"
 
+#ifndef _REENT_ONLY
+
 int
 #ifdef _HAVE_STDC
 _DEFUN(siprintf, (str, fmt),
@@ -87,3 +95,38 @@ siprintf(str, fmt, va_alist)
   *f._p = 0;
   return (ret);
 }
+
+#endif /* ! _REENT_ONLY */
+
+int
+#ifdef _HAVE_STDC
+_DEFUN(_siprintf_r, (rptr, str, fmt),
+       struct _reent *rptr _AND
+       char *str           _AND
+       _CONST char *fmt _DOTS)
+#else
+_siprintf_r(rptr, str, fmt, va_alist)
+            struct _reent *rptr;
+            char *str;
+            _CONST char *fmt;
+            va_dcl
+#endif
+{
+  int ret;
+  va_list ap;
+  FILE f;
+
+  f._flags = __SWR | __SSTR;
+  f._bf._base = f._p = (unsigned char *) str;
+  f._bf._size = f._w = INT_MAX;
+#ifdef _HAVE_STDC
+  va_start (ap, fmt);
+#else
+  va_start (ap);
+#endif
+  ret = _vfiprintf_r (rptr, &f, fmt, ap);
+  va_end (ap);
+  *f._p = 0;
+  return (ret);
+}
+
diff --git a/newlib/libc/stdio/vfprintf.c b/newlib/libc/stdio/vfprintf.c
index b72117582..906934787 100644
--- a/newlib/libc/stdio/vfprintf.c
+++ b/newlib/libc/stdio/vfprintf.c
@@ -233,8 +233,9 @@ _DEFUN(__sprint, (fp, uio),
  * worries about ungetc buffers and so forth.
  */
 static int
-_DEFUN(__sbprintf, (fp, fmt, ap),
-       register FILE *fp _AND
+_DEFUN(__sbprintf, (rptr, fp, fmt, ap),
+       struct _reent *rptr _AND
+       register FILE *fp   _AND
        _CONST char *fmt  _AND
        va_list ap)
 {
@@ -257,7 +258,7 @@ _DEFUN(__sbprintf, (fp, fmt, ap),
 #endif
 
 	/* do the work, then copy any error status */
-	ret = VFPRINTF (&fake, fmt, ap);
+	ret = _VFPRINTF_R (rptr, &fake, fmt, ap);
 	if (ret >= 0 && fflush(&fake))
 		ret = EOF;
 	if (fake._flags & __SERR)
@@ -541,7 +542,7 @@ _DEFUN(_VFPRINTF_R, (data, fp, fmt0, ap),
 	/* optimise fprintf(stderr) (and other unbuffered Unix files) */
 	if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
 	    fp->_file >= 0)
-		return (__sbprintf (fp, fmt0, ap));
+		return (__sbprintf (data, fp, fmt0, ap));
 
 	fmt = (char *)fmt0;
 	uio.uio_iov = iovp = iov;