libkernaux/examples/printf.c

24 lines
476 B
C

#include <kernaux/printf.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#define BUFFER_SIZE 1024
static char buffer[BUFFER_SIZE];
static size_t buffer_index = 0;
static void my_putchar(const char chr)
{
if (buffer_index >= BUFFER_SIZE) abort();
buffer[buffer_index++] = chr;
}
int main()
{
kernaux_printf(my_putchar, "Hello, %s! Session ID: %u.", "Alex", 123);
assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
return 0;
}