#pragma once

#include "arch.h"
#include "iobuf.h"
#include "queue.h"

// Convenience wrappers around mg_xprintf
size_t mg_vsnprintf(char *buf, size_t len, const char *fmt, va_list *ap);
size_t mg_snprintf(char *, size_t, const char *fmt, ...);
char *mg_vmprintf(const char *fmt, va_list *ap);
char *mg_mprintf(const char *fmt, ...);
size_t mg_queue_vprintf(struct mg_queue *, const char *fmt, va_list *);
size_t mg_queue_printf(struct mg_queue *, const char *fmt, ...);

// %M print helper functions
size_t mg_print_base64(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_esc(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_hex(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_ip(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_ip_port(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_ip4(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_ip6(void (*out)(char, void *), void *arg, va_list *ap);
size_t mg_print_mac(void (*out)(char, void *), void *arg, va_list *ap);

// Various output functions
void mg_pfn_iobuf(char ch, void *param);  // param: struct mg_iobuf *
void mg_pfn_stdout(char c, void *param);  // param: ignored

// A helper macro for printing JSON: mg_snprintf(buf, len, "%m", MG_ESC("hi"))
#define MG_ESC(str) mg_print_esc, 0, (str)