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Diffstat (limited to 'newlib/libc/stdio/ungetc.c')
-rw-r--r--newlib/libc/stdio/ungetc.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/newlib/libc/stdio/ungetc.c b/newlib/libc/stdio/ungetc.c
index 4380cc2da..9ccd02766 100644
--- a/newlib/libc/stdio/ungetc.c
+++ b/newlib/libc/stdio/ungetc.c
@@ -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 */
+