unsigned int main(register unsigned int argc, char* argv[]) {
unsigned int fail = 0; /* success and golf are scored in the same way */
register unsigned int pos = 0;
register unsigned int alloc_size;
char ch[7];
char* edit_buffer;
char* temp_buffer;
t_getstate(&original);
n_state = t_initstate(&original);
t_setstate(&n_state);
alloc_size = read_file(&edit_buffer, &fail);
if (!fail) {
temp_buffer = malloc(alloc_size);
}
while(!fail) {
t_read(ch, 7);
/* commands */
if (ch[0] == 27 && ch[1] == 'j' && ch[2] == 0) { /* alt+j - move backwards */
if(pos > 0) {
pos -= 1;
}
} else if (ch[0] == 27 && ch[1] == 'k' && ch[2] == 0) { /* alt+k - move forwards */
if (pos < strlen(edit_buffer)) {
pos += 1;
}
} else if (ch[0] == 27 && ch[1] == 'd' && ch[2] == 0) { /* alt+d - save file */
fputs(edit_buffer, stdout);
} else if (ch[0] == 27 && ch[1] == 'f' && ch[2] == 0) { /* alt+f - quit program. Note: Don't hit this by accident. */
break;
} else if (ch[0] == 127 && ch[1] == 0 && ch[2] == 0) { /* backspace - delete previous character */
if (pos > 0) {
alloc_size = remove_char(pos, &edit_buffer, &temp_buffer, alloc_size, &fail);
pos--;
}
} else if(ch[0] != 0 && ch[1] == 0 && ch[2] == 0) { /* add any other character pressed */
alloc_size = add_char(ch[0], pos, &edit_buffer, &temp_buffer, alloc_size, &fail);
pos++;
}
}
if (alloc_size > 0 && !fail) {
free(edit_buffer);
free(temp_buffer);
}
t_setstate(&original);
fflush(stdout);
return fail;
};
void
i_setup(void){
t_getstate(&orig);
nstate = t_initstate(&orig);
t_setstate(&nstate);
}