github.com/llvm-mirror/llgo@v0.0.0-20190322182713-bf6f0a60fce1/third_party/gofrontend/libgo/runtime/go-strcmp.c (about)

     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 "runtime.h"
     8  
     9  intgo
    10  __go_strcmp(String s1, String s2)
    11  {
    12    int i;
    13  
    14    i = __builtin_memcmp(s1.str, s2.str,
    15  		       (s1.len < s2.len ? s1.len : s2.len));
    16    if (i != 0)
    17      return i;
    18  
    19    if (s1.len < s2.len)
    20      return -1;
    21    else if (s1.len > s2.len)
    22      return 1;
    23    else
    24      return 0;
    25  }