libgo/runtime/go-strcmp.c

   1 /* go-strcmp.c -- the go string comparison function.
   2
   3    Copyright 2009 The Go Authors. All rights reserved.
   4    Use of this source code is governed by a BSD-style
   5    license that can be found in the LICENSE file.  */
   6
   7 #include "go-string.h"
   8
   9 int
  10 __go_strcmp(struct __go_string s1, struct __go_string s2)
  11 {
  12   int i;
  13
  14   i = __builtin_memcmp(s1.__data, s2.__data,
  15                        (s1.__length < s2.__length
  16                         ? s1.__length
  17                         : s2.__length));
  18   if (i != 0)
  19     return i;
  20
  21   if (s1.__length < s2.__length)
  22     return -1;
  23   else if (s1.__length > s2.__length)
  24     return 1;
  25   else
  26     return 0;
  27 }