| 0,0 → 1,58 |
|---|
| /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <pc.h> |
| |
| int |
| getlongpass(const char *prompt, char *password, int max_length) |
| { |
| char *p = password; |
| int c, count = 0; |
| |
| fflush(stdout); |
| /* If we can't prompt, abort */ |
| if (fputs(prompt, stderr) < 0) |
| { |
| *p = '\0'; |
| return -1; |
| } |
| |
| while (1) |
| { |
| /* Get a character with no echo */ |
| c = getkey(); |
| |
| /* Exit on interrupt (^c or ^break) */ |
| if (c == '\003' || c == 0x100) |
| exit(1); |
| |
| /* Terminate on end of line or file (^j, ^m, ^d, ^z) */ |
| if (c == '\r' || c == '\n' || c == '\004' || c == '\032') |
| break; |
| |
| /* Back up on backspace */ |
| if (c == '\b') |
| { |
| if (count) |
| count--; |
| else if (p > password) |
| p--; |
| continue; |
| } |
| |
| /* Ignore DOS extended characters */ |
| if ((c & 0xff) != c) |
| continue; |
| |
| /* Add to password if it isn't full */ |
| if (p < password + max_length - 1) |
| *p++ = c; |
| else |
| count++; |
| } |
| *p = '\0'; |
| |
| fputc('\n', stderr); |
| |
| return 0; |
| } |