OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [libiberty/] [memcmp.c] - Rev 578

Go to most recent revision | Compare with Previous | Blame | View Log

/* memcmp -- compare two memory regions.
   This function is in the public domain.  */
 
/*
NAME
	memcmp -- compare two memory regions
 
SYNOPSIS
	int memcmp (const void *from, const void *to, size_t count)
 
DESCRIPTION
	Compare two memory regions and return less than,
	equal to, or greater than zero, according to lexicographical
	ordering of the compared regions.
*/
 
#include <ansidecl.h>
#ifdef __STDC__
#include <stddef.h>
#else
#define size_t unsigned long
#endif
 
int
DEFUN(memcmp, (str1, str2, count),
      const PTR str1 AND const PTR str2 AND size_t count)
{
  register const unsigned char *s1 = (const unsigned char*)str1;
  register const unsigned char *s2 = (const unsigned char*)str2;
 
  while (count-- > 0)
    {
      if (*s1++ != *s2++)
	  return s1[-1] < s2[-1] ? -1 : 1;
    }
  return 0;
}
 
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.