--- /dev/null
+/* mpq_set_str -- string to mpq conversion.
+
+Copyright 2001, 2002 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 <stdio.h>
+#include <string.h>
+#include "gmp.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)
+ {
+ q->_mp_den._mp_size = 1;
+ q->_mp_den._mp_d[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) (num, numlen+1);
+
+ if (ret != 0)
+ return ret;
+
+ return mpz_set_str (mpq_denref(q), slash+1, base);
+}