Add printf.h

src/printf.h

@@ -0,0 +1,24 @@
+#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_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