fte/memicmp.cpp

// Contributed by Markus F.X.J. Oberhumer <markus.oberhumer@jk.uni-linz.ac.at>

#include <stddef.h>
#include <ctype.h>

#if defined(__DJGPP__) || defined(UNIX) || defined(WATCOM)

#ifdef __cplusplus
extern "C"
#endif
int memicmp(const void *s1, const void *s2, size_t n)
{
  if (n != 0)
  {
    const unsigned char *p1 = (const unsigned char *) s1;
    const unsigned char *p2 = (const unsigned char *) s2;

    do {
      if (*p1 != *p2)
      {
          int c = toupper(*p1) - toupper(*p2);
          if (c)
              return c;
      }
      p1++; p2++;
    } while (--n != 0);
  }
  return 0;
}

#endif