#include "fitz.h"

#include <string.h>

int fz_isbigendian(void)
{
	static const int one = 1;
	return *(char*)&one == 0;
}

char *fz_strsep(char **stringp, const char *delim)
{
	char *ret = *stringp;
	if (ret == NULL) return NULL;
	if ((*stringp = strpbrk(*stringp, delim)) != NULL)
		*((*stringp)++) = '\0';
	return ret;
}

int fz_strlcpy(char *dst, const char *src, int siz)
{
	register char *d = dst;
	register const char *s = src;
	register int n = siz;

	/* Copy as many bytes as will fit */
	if (n != 0 && --n != 0) {
		do {
			if ((*d++ = *s++) == 0)
				break;
		} while (--n != 0);
	}

	/* Not enough room in dst, add NUL and traverse rest of src */
	if (n == 0) {
		if (siz != 0)
			*d = '\0';		/* NUL-terminate dst */
			while (*s++)
				;
	}

	return(s - src - 1);	/* count does not include NUL */
}

int fz_strlcat(char *dst, const char *src, int siz)
{
	register char *d = dst;
	register const char *s = src;
	register int n = siz;
	int dlen;

	/* Find the end of dst and adjust bytes left but don't go past end */
	while (*d != '\0' && n-- != 0)
		d++;
	dlen = d - dst;
	n = siz - dlen;

	if (n == 0)
		return dlen + strlen(s);
	while (*s != '\0') {
		if (n != 1) {
			*d++ = *s;
			n--;
		}
		s++;
	}
	*d = '\0';

	return dlen + (s - src);	/* count does not include NUL */
}