Imported gcc-4.4.3

[msp430-gcc.git] / gmp / printf / printffuns.c

diff --git a/gmp/printf/printffuns.c b/gmp/printf/printffuns.c
new file mode 100644 (file)
index 0000000..4f4e74d
--- /dev/null
+++ b/gmp/printf/printffuns.c
@@ -0,0 +1,76 @@
+/* __gmp_fprintf_funs -- support for formatted output to FILEs.
+
+   THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
+   CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
+   FUTURE GNU MP RELEASES.
+
+Copyright 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+#include "config.h"
+
+#if HAVE_STDARG
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+/* SunOS 4 stdio.h doesn't provide a prototype for this */
+#if ! HAVE_DECL_VFPRINTF
+int vfprintf __GMP_PROTO ((FILE *, const char *, va_list));
+#endif
+
+
+static int
+gmp_fprintf_memory (FILE *fp, const char *str, size_t len)
+{
+  return fwrite (str, 1, len, fp);
+}
+
+/* glibc putc is a function, at least when it's in multi-threaded mode or
+   some such, so fwrite chunks instead of making many calls. */
+static int
+gmp_fprintf_reps (FILE *fp, int c, int reps)
+{
+  char  buf[256];
+  int   i, piece, ret;
+  ASSERT (reps >= 0);
+
+  memset (buf, c, MIN (reps, sizeof (buf)));
+  for (i = reps; i > 0; i -= sizeof (buf))
+    {
+      piece = MIN (i, sizeof (buf));
+      ret = fwrite (buf, 1, piece, fp);
+      if (ret == -1)
+        return ret;
+      ASSERT (ret == piece);
+    }
+
+  return reps;
+}
+
+const struct doprnt_funs_t  __gmp_fprintf_funs = {
+  (doprnt_format_t) vfprintf,
+  (doprnt_memory_t) gmp_fprintf_memory,
+  (doprnt_reps_t)   gmp_fprintf_reps,
+};