Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/printf/printffuns.c b/third_party/gmp/printf/printffuns.c
new file mode 100644
index 0000000..957381d
--- /dev/null
+++ b/third_party/gmp/printf/printffuns.c
@@ -0,0 +1,79 @@
+/* __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 either:
+
+ * 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.
+
+or
+
+ * the GNU General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+or both in parallel, as here.
+
+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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "gmp-impl.h"
+
+/* SunOS 4 stdio.h doesn't provide a prototype for this */
+#if ! HAVE_DECL_VFPRINTF
+int vfprintf (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,
+};