diff options
Diffstat (limited to 'REORG.TODO/manual/examples/mygetpass.c')
-rw-r--r-- | REORG.TODO/manual/examples/mygetpass.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/manual/examples/mygetpass.c b/REORG.TODO/manual/examples/mygetpass.c new file mode 100644 index 0000000000..152d7bee7f --- /dev/null +++ b/REORG.TODO/manual/examples/mygetpass.c @@ -0,0 +1,42 @@ +/* Reading Passwords + Copyright (C) 1991-2017 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, if not, see <http://www.gnu.org/licenses/>. +*/ + +#include <termios.h> +#include <stdio.h> + +ssize_t +my_getpass (char **lineptr, size_t *n, FILE *stream) +{ + struct termios old, new; + int nread; + + /* Turn echoing off and fail if we can't. */ + if (tcgetattr (fileno (stream), &old) != 0) + return -1; + new = old; + new.c_lflag &= ~ECHO; + if (tcsetattr (fileno (stream), TCSAFLUSH, &new) != 0) + return -1; + + /* Read the password. */ + nread = getline (lineptr, n, stream); + + /* Restore terminal. */ + (void) tcsetattr (fileno (stream), TCSAFLUSH, &old); + + return nread; +} |