66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include <tabby/link.h>
|
|
#include <tabby/printer.h>
|
|
|
|
static void usage(int argc, char **argv, char *message, ...) {
|
|
if (message) {
|
|
va_list args;
|
|
|
|
va_start(args, message);
|
|
vfprintf(stderr, message, args);
|
|
fprintf(stderr, "\n");
|
|
va_end(args);
|
|
}
|
|
|
|
fprintf(stderr, "usage: %s device\n", argv[0]);
|
|
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int fd, status;
|
|
|
|
tabby_printer_packet header;
|
|
|
|
uint8_t body[TABBY_PRINTER_PACKET_MAX_SIZE];
|
|
|
|
if (argc != 2) {
|
|
usage(argc, argv, "No device specified");
|
|
}
|
|
|
|
if ((fd = tabby_link_open(argv[1])) < 0) {
|
|
fprintf(stderr, "%s: %s: %s: %s\n", argv[0], "tabby_link_open()",
|
|
argv[1], strerror(errno));
|
|
|
|
goto error_link_open;
|
|
}
|
|
|
|
while (1) {
|
|
status = tabby_printer_packet_recv(fd, &header, &body);
|
|
|
|
if (status < 0) {
|
|
fprintf(stderr, "%s: %s: %s\n",
|
|
argv[0], "tabby_printer_packet_recv()", strerror(errno));
|
|
|
|
continue;
|
|
}
|
|
|
|
if (header.type == 0x04) {
|
|
write(1, &body, header.size);
|
|
}
|
|
}
|
|
|
|
tabby_link_close(fd);
|
|
|
|
return 0;
|
|
|
|
error_link_open:
|
|
return 1;
|
|
}
|