39 lines
774 B
C
39 lines
774 B
C
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#include "common.h"
|
||
|
|
|
||
|
|
/* Execute code from stdin on the target machine.
|
||
|
|
*/
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
if (argc != 2) {
|
||
|
|
fprintf(stderr, "Usage: ./exec device\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
int fd = open(argv[1], O_RDWR|O_NOCTTY|O_SYNC);
|
||
|
|
if (fd < 0) {
|
||
|
|
fprintf(stderr, "Could not open %s\n", argv[1]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
set_interface_attribs(fd, 0, 0);
|
||
|
|
set_blocking(fd, 0);
|
||
|
|
int c = getchar();
|
||
|
|
while (c != EOF) {
|
||
|
|
if (c == '\n') c = '\r';
|
||
|
|
write(fd, &c, 1);
|
||
|
|
while (read(fd, &c, 1) == 1) {
|
||
|
|
putchar(c);
|
||
|
|
fflush(stdout);
|
||
|
|
}
|
||
|
|
c = getchar();
|
||
|
|
}
|
||
|
|
printf("Done!\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|