[deliverable/binutils-gdb.git] / libiberty / strncmp.c

/* strncmp -- compare two strings, stop after n bytes.
   This function is in the public domain.  */

#include <ansidecl.h>
#ifdef __STDC__
#include <stddef.h>
#else
#define size_t unsigned long
#endif

int
strncmp(s1, s2, n)
     const char *s1, *s2;
     register size_t n;
{
  register unsigned char u1, u2;

  while (n-- > 0)
    {
      u1 = (unsigned char) *s1++;
      u2 = (unsigned char) *s2++;
      if (u1 != u2)
	return u1 - u2;
      if (u1 == '\0')
	return 0;
    }
  return 0;
}
Commit	Line	Data
eb383413 L	1	/* strncmp -- compare two strings, stop after n bytes.
	2	This function is in the public domain. */
	3
	4	#include <ansidecl.h>
	5	#ifdef __STDC__
	6	#include <stddef.h>
	7	#else
	8	#define size_t unsigned long
	9	#endif
	10
	11	int
	12	strncmp(s1, s2, n)
	13	const char s1, s2;
	14	register size_t n;
	15	{
	16	register unsigned char u1, u2;
	17
	18	while (n-- > 0)
	19	{
	20	u1 = (unsigned char) *s1++;
	21	u2 = (unsigned char) *s2++;
	22	if (u1 != u2)
	23	return u1 - u2;
	24	if (u1 == '\0')
	25	return 0;
	26	}
	27	return 0;
	28	}