set default newlib dir's structure

git-svn-id: svn://kolibrios.org@4874 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-04-22 09:02:02 +00:00
parent 47fd2fdc08
commit 846fce0120
651 changed files with 0 additions and 0 deletions
--- a/contrib/sdk/sources/newlib/libc/stdio/refill.c
+++ b/contrib/sdk/sources/newlib/libc/stdio/refill.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+/* No user fns here.  Pesch 15apr92. */
+
+#include <_ansi.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "local.h"
+
+static int
+_DEFUN(lflush, (fp),
+       FILE *fp)
+{
+  if ((fp->_flags & (__SLBF | __SWR)) == (__SLBF | __SWR))
+    return fflush (fp);
+  return 0;
+}
+
+/*
+ * Refill a stdio buffer.
+ * Return EOF on eof or error, 0 otherwise.
+ */
+
+int
+_DEFUN(__srefill_r, (ptr, fp),
+       struct _reent * ptr _AND
+       register FILE * fp)
+{
+  /* make sure stdio is set up */
+
+  CHECK_INIT (ptr, fp);
+
+  ORIENT (fp, -1);
+
+  fp->_r = 0;			/* largely a convenience for callers */
+
+#ifndef __CYGWIN__
+  /* SysV does not make this test; take it out for compatibility */
+  if (fp->_flags & __SEOF)
+    return EOF;
+#endif
+
+  /* if not already reading, have to be reading and writing */
+  if ((fp->_flags & __SRD) == 0)
+    {
+      if ((fp->_flags & __SRW) == 0)
+	{
+	  ptr->_errno = EBADF;
+	  fp->_flags |= __SERR;
+	  return EOF;
+	}
+      /* switch to reading */
+      if (fp->_flags & __SWR)
+	{
+	  if (_fflush_r (ptr, fp))
+	    return EOF;
+	  fp->_flags &= ~__SWR;
+	  fp->_w = 0;
+	  fp->_lbfsize = 0;
+	}
+      fp->_flags |= __SRD;
+    }
+  else
+    {
+      /*
+       * We were reading.  If there is an ungetc buffer,
+       * we must have been reading from that.  Drop it,
+       * restoring the previous buffer (if any).  If there
+       * is anything in that buffer, return.
+       */
+      if (HASUB (fp))
+	{
+	  FREEUB (ptr, fp);
+	  if ((fp->_r = fp->_ur) != 0)
+	    {
+	      fp->_p = fp->_up;
+	      return 0;
+	    }
+	}
+    }
+
+  if (fp->_bf._base == NULL)
+    __smakebuf_r (ptr, fp);
+
+  /*
+   * Before reading from a line buffered or unbuffered file,
+   * flush all line buffered output files, per the ANSI C
+   * standard.
+   */
+  if (fp->_flags & (__SLBF | __SNBF))
+    {
+      /* Ignore this file in _fwalk to avoid potential deadlock. */
+      short orig_flags = fp->_flags;
+      fp->_flags = 1;
+    _CAST_VOID _fwalk (_GLOBAL_REENT, lflush);
+      fp->_flags = orig_flags;
+
+      /* Now flush this file without locking it. */
+      if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR))
+	__sflush_r (ptr, fp);
+    }
+
+  fp->_p = fp->_bf._base;
+  fp->_r = fp->_read (ptr, fp->_cookie, (char *) fp->_p, fp->_bf._size);
+#ifndef __CYGWIN__
+  if (fp->_r <= 0)
+#else
+  if (fp->_r > 0)
+    fp->_flags &= ~__SEOF;
+  else
+#endif
+    {
+      if (fp->_r == 0)
+	fp->_flags |= __SEOF;
+      else
+	{
+	  fp->_r = 0;
+	  fp->_flags |= __SERR;
+	}
+      return EOF;
+    }
+  return 0;
+}