Initial commit.

1 files changed, 68 insertions, 0 deletions

diff --git a/gmp-6.3.0/mpq/set_str.c b/gmp-6.3.0/mpq/set_str.c
new file mode 100644
index 0000000..664bb2d
--- /dev/null
+++ b/gmp-6.3.0/mpq/set_str.c
@@ -0,0 +1,68 @@
+/* mpq_set_str -- string to mpq conversion.
+
+Copyright 2001, 2002, 2015, 2018 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 <stdio.h>
+#include <string.h>
+#include "gmp-impl.h"
+
+
+/* FIXME: Would like an mpz_set_mem (or similar) accepting a pointer and
+   length so we wouldn't have to copy the numerator just to null-terminate
+   it.  */
+
+int
+mpq_set_str (mpq_ptr q, const char *str, int base)
+{
+  const char  *slash;
+  char        *num;
+  size_t      numlen;
+  int         ret;
+
+  slash = strchr (str, '/');
+  if (slash == NULL)
+    {
+      SIZ(DEN(q)) = 1;
+      MPZ_NEWALLOC (DEN(q), 1)[0] = 1;
+
+      return mpz_set_str (mpq_numref(q), str, base);
+    }
+
+  numlen = slash - str;
+  num = __GMP_ALLOCATE_FUNC_TYPE (numlen+1, char);
+  memcpy (num, str, numlen);
+  num[numlen] = '\0';
+  ret = mpz_set_str (mpq_numref(q), num, base);
+  __GMP_FREE_FUNC_TYPE (num, numlen+1, char);
+
+  if (ret != 0)
+    return ret;
+
+  return mpz_set_str (mpq_denref(q), slash+1, base);
+}