mirror of
https://github.com/tailix/libkernaux.git
synced 2024-11-13 11:04:27 -05:00
35 lines
778 B
C
35 lines
778 B
C
#include <kernaux/io.h>
|
|
#include <kernaux/printf.h>
|
|
|
|
#include <assert.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define BUFFER_SIZE 1024
|
|
|
|
static const char *const data = "foobar";
|
|
|
|
static char buffer[BUFFER_SIZE];
|
|
static size_t buffer_index = 0;
|
|
|
|
static void my_putchar(const char chr, void *arg)
|
|
{
|
|
assert(arg == data);
|
|
if (buffer_index >= BUFFER_SIZE) abort();
|
|
buffer[buffer_index++] = chr;
|
|
}
|
|
|
|
void example_main()
|
|
{
|
|
struct KernAux_File file = KernAux_File_create(my_putchar);
|
|
const int result = kernaux_fprintf(
|
|
&file,
|
|
(char*)data,
|
|
"Hello, %s! Session ID: %u.",
|
|
"Alex",
|
|
123
|
|
);
|
|
assert((size_t)result == strlen(buffer));
|
|
assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
|
|
}
|