void be_bc(int todc[2], int fromdc[2])
/*
* read from stdin and convert into to RPN, send down pipe
* then read from other pipe and print to user
* Uses fdopen() to convert a file descriptor to a stream
*/
{
FILE *fpout, *fpin, *fdopen();
char buf[BUFSIZ];
/* setup */
close(todc[0]); /* won't read from pipe to dc */
close(fromdc[1]); /* won't write to pipe from dc */
fpout = fdopen( todc[1], "w" ); /* convert file desc- */
fpin = fdopen( fromdc[0], "r" ); /* riptors to streams */
if ( fpout == NULL || fpin == NULL )
fatal("Error convering pipes to streams");
/* main loop */
while( read_and_translate(stdin, fpout) > 0 ){
if ( fgets( buf, BUFSIZ, fpin ) == NULL )
break;
fputs(buf,stdout);
}
fclose(fpout); /* close pipe */
fclose(fpin); /* dc will see EOF */
}
int main(void) {
char *devpath = find_keyboard();
if (devpath != NULL) {
printf("keyboard located at '%s'\n", devpath);
}
else {
fprintf(stderr, "no keyboard found\n");
return 1;
}
int fd = open(devpath, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "could not open devfile\n");
return 1;
}
kbd_t kbd = { .fd = fd, .keymap = DVORAK_WITH_ESC };
while (true) {
int kv = read_and_translate(NULL, 0, &kbd);
putchar(kv);
}
}
void compile_only()
{
while( read_and_translate(stdin,stdout) > 0 )
;
}
