Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpbsd / min.c

diff --git a/gmp/mpbsd/min.c b/gmp/mpbsd/min.c
new file mode 100644 (file)
index 0000000..e5c1d74
--- /dev/null
+++ b/gmp/mpbsd/min.c
@@ -0,0 +1,89 @@
+/* min(MINT) -- Do decimal input from standard input and store result in
+   MINT.
+
+Copyright 1991, 1994, 1996, 2000, 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 <stdio.h>
+#include <ctype.h>
+#include "mp.h"
+#include "gmp.h"
+#include "gmp-impl.h"
+
+extern const unsigned char __gmp_digit_value_tab[];
+#define digit_value_tab __gmp_digit_value_tab
+
+void
+min (MINT *dest)
+{
+  char *str;
+  size_t alloc_size, str_size;
+  int c;
+  int negative;
+  mp_size_t dest_size;
+  const unsigned char *digit_value;
+
+  digit_value = digit_value_tab;
+
+  alloc_size = 100;
+  str = (char *) (*__gmp_allocate_func) (alloc_size);
+  str_size = 0;
+
+  /* Skip whitespace.  */
+  do
+    c = getc (stdin);
+  while (isspace (c));
+
+  negative = 0;
+  if (c == '-')
+    {
+      negative = 1;
+      c = getc (stdin);
+    }
+
+  if (c == EOF || digit_value[c] >= 10)
+    return;                    /* error if no digits */
+
+  do
+    {
+      int dig;
+      dig = digit_value[c];
+      if (dig >= 10)
+       break;
+      if (str_size >= alloc_size)
+       {
+         size_t old_alloc_size = alloc_size;
+         alloc_size = alloc_size * 3 / 2;
+         str = (char *) (*__gmp_reallocate_func) (str, old_alloc_size, alloc_size);
+       }
+      str[str_size++] = dig;
+      c = getc (stdin);
+    }
+  while (c != EOF);
+
+  ungetc (c, stdin);
+
+  dest_size = str_size / __mp_bases[10].chars_per_limb + 1;
+  if (dest->_mp_alloc < dest_size)
+    _mp_realloc (dest, dest_size);
+
+  dest_size = mpn_set_str (dest->_mp_d, (unsigned char *) str, str_size, 10);
+  dest->_mp_size = negative ? -dest_size : dest_size;
+
+  (*__gmp_free_func) (str, alloc_size);
+  return;
+}