/*
 *	UCW Library -- String Routines
 *
 *	(c) 2006 Pavel Charvat <pchar@ucw.cz>
 *	(c) 2007--2012 Martin Mares <mj@ucw.cz>
 *
 *	This software may be freely distributed and used according to the terms
 *	of the GNU Lesser General Public License.
 */

#undef LOCAL_DEBUG

#include <ucw/lib.h>
#include <ucw/string.h>

#ifdef CONFIG_DARWIN
size_t
strnlen(const char *str, size_t n)
{
  const char *end = str + n;
  const char *c;
  for (c = str; *c && c < end; c++);
  return c - str;
}
#endif

char *
str_format_flags(char *dest, const char *fmt, uint flags)
{
  char *start = dest;
  for (uint i=0; fmt[i]; i++)
    {
      if (flags & (1 << i))
	*dest++ = fmt[i];
      else
	*dest++ = '-';
    }
  *dest = 0;
  return start;
}

size_t
str_count_char(const char *str, uint chr)
{
  const byte *s = str;
  size_t i = 0;
  while (*s)
    if (*s++ == chr)
      i++;
  return i;
}