Files
printer-driver/examples/hello.c
T
2026-10-05 21:45:53 +02:00

50 lines
1.1 KiB
C

#include <stdio.h>
#include "escpos.h"
int main(void)
{
int result = 1;
const char *version = escpos_version();
escpos_buffer *buffer = NULL;
escpos_buffer *buffer_a = NULL;
escpos_buffer *buffer_b = NULL;
printf("%s\n", version);
buffer = escpos_buffer_new();
if (buffer == NULL) { goto cleanup; }
for (int i = 0; i < 100; i++)
{
int err = escpos_buffer_append_byte(buffer, 'A');
if (err == -1) { goto cleanup; }
}
buffer_a = escpos_buffer_new();
if (buffer_a == NULL) { goto cleanup; }
uint8_t data[] = {0x1B, 0x40};
int err = 0;
err = escpos_buffer_append(buffer_a, data);
if (err == -1) { goto cleanup; }
buffer_b = escpos_buffer_new();
if (buffer_b == NULL) { goto cleanup; }
uint8_t data_b[300];
for (int i = 0; i < 300; i++)
{
data_b[i] = 'A';
}
err = escpos_buffer_append(buffer_b, data_b);
if (err == -1) { goto cleanup; }
result = 0;
cleanup:
escpos_buffer_free(buffer);
escpos_buffer_free(buffer_a);
escpos_buffer_free(buffer_b);
return result;
}