#ifndef KSTRING_H

#define KSTRING_H

#include <stdlib.h>

#include <string.h>

#include "utils.h"

#ifndef kroundup32

#define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x))

#ifndef KSTRING_T

#define KSTRING_T kstring_t

typedef struct __kstring_t {

size_t l, m;

char *s;

} kstring_t;

static inline int kputs(const char *p, kstring_t *s)

{

int l = strlen(p);

if (s->l + l + 1 >= s->m) {

s->m = s->l + l + 2;

kroundup32(s->m);

s->s = (char*)xrealloc(s->s, s->m);

}

strcpy(s->s + s->l, p);

s->l += l;

return l;

}

static inline int kputc(int c, kstring_t *s)

{

if (s->l + 1 >= s->m) {

s->m = s->l + 2;

kroundup32(s->m);

s->s = (char*)xrealloc(s->s, s->m);

}

s->s[s->l++] = c;

s->s[s->l] = 0;

return c;

}

int ksprintf(kstring_t *s, const char *fmt, ...);