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- simple_prompt(const char *prompt, int maxlen, bool echo)
- {
- int length;
- char *destination;
- FILE *termin,
- *termout;
- #ifdef HAVE_TERMIOS_H
- struct termios t_orig,
- t;
- #else
- #ifdef WIN32
- HANDLE t = NULL;
- LPDWORD t_orig = NULL;
- #endif
- #endif
- destination = (char *) malloc(maxlen + 1);
- if (!destination)
- return NULL;
- /*
- * Do not try to collapse these into one "w+" mode file. Doesn't work on
- * some platforms (eg, HPUX 10.20).
- */
- termin = fopen(DEVTTY, "r");
- termout = fopen(DEVTTY, "w");
- if (!termin || !termout
- #ifdef WIN32
- /* See DEVTTY comment for msys */
- || (getenv("OSTYPE") && strcmp(getenv("OSTYPE"), "msys") == 0)
- #endif
- )
- {
- if (termin)
- fclose(termin);
- if (termout)
- fclose(termout);
- termin = stdin;
- termout = stderr;
- }
- #ifdef HAVE_TERMIOS_H
- if (!echo)
- {
- tcgetattr(fileno(termin), &t);
- t_orig = t;
- t.c_lflag &= ~ECHO;
- tcsetattr(fileno(termin), TCSAFLUSH, &t);
- }
- #else
- #ifdef WIN32
- if (!echo)
- {
- /* get a new handle to turn echo off */
- t_orig = (LPDWORD) malloc(sizeof(DWORD));
- t = GetStdHandle(STD_INPUT_HANDLE);
- /* save the old configuration first */
- GetConsoleMode(t, t_orig);
- /* set to the new mode */
- SetConsoleMode(t, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);
- }
- #endif
- #endif
- if (prompt)
- {
- fputs(_(prompt), termout);
- fflush(termout);
- }
- if (fgets(destination, maxlen + 1, termin) == NULL)
- destination[0] = '