os-workshop

same materials and sample source for RV32 OS projects
git clone http://frotz.net/git/os-workshop.git
Log | Files | Refs

memcmp.c (620B)

      1 /*
      2 ** Copyright 2001, Travis Geiselbrecht. All rights reserved.
      3 ** Distributed under the terms of the NewOS License.
      4 */
      5 /*
      6  * Copyright (c) 2008 Travis Geiselbrecht
      7  *
      8  * Use of this source code is governed by a MIT-style
      9  * license that can be found in the LICENSE file or at
     10  * https://opensource.org/licenses/MIT
     11  */
     12 #include <string.h>
     13 #include <stdint.h>
     14 
     15 int
     16 memcmp(const void *cs, const void *ct, size_t count) {
     17     const unsigned char *su1, *su2;
     18     signed char res = 0;
     19 
     20     for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
     21         if ((res = *su1 - *su2) != 0)
     22             break;
     23     return res;
     24 }