2023-02-24 21:33:36 +08:00

25 lines
508 B
C

#include <stdint.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
/**
* This function will fill a formatted string to buffer
*
* @param buf the buffer to save formatted string.
*
* @param format is the format parameters.
*
* @return The number of characters actually written to buffer.
*/
int sprintf(char *buf, const char *format, ...)
{
int32_t n;
va_list arg_ptr;
va_start(arg_ptr, format);
n = vsprintf(buf, format, arg_ptr);
va_end(arg_ptr);
return n;
}