82 lines
1.2 KiB
C
82 lines
1.2 KiB
C
|
#include "git-compat-util.h"
|
||
|
|
#include "compat/terminal.h"
|
||
|
|
#include "sigchain.h"
|
||
|
|
#include "strbuf.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_DEV_TTY
|
||
|
|
|
||
|
|
static int term_fd = -1;
|
||
|
|
static struct termios old_term;
|
||
|
|
|
||
|
|
static void restore_term(void)
|
||
|
|
{
|
||
|
|
if (term_fd < 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
tcsetattr(term_fd, TCSAFLUSH, &old_term);
|
||
|
|
term_fd = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void restore_term_on_signal(int sig)
|
||
|
|
{
|
||
|
|
restore_term();
|
||
|
|
sigchain_pop(sig);
|
||
|
|
raise(sig);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *git_terminal_prompt(const char *prompt, int echo)
|
||
|
|
{
|
||
|
|
static struct strbuf buf = STRBUF_INIT;
|
||
|
|
int r;
|
||
|
|
FILE *fh;
|
||
|
|
|
||
|
|
fh = fopen("/dev/tty", "w+");
|
||
|
|
if (!fh)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if (!echo) {
|
||
|
|
struct termios t;
|
||
|
|
|
||
|
|
if (tcgetattr(fileno(fh), &t) < 0) {
|
||
|
|
fclose(fh);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
old_term = t;
|
||
|
|
term_fd = fileno(fh);
|
||
|
|
sigchain_push_common(restore_term_on_signal);
|
||
|
|
|
||
|
|
t.c_lflag &= ~ECHO;
|
||
|
|
if (tcsetattr(fileno(fh), TCSAFLUSH, &t) < 0) {
|
||
|
|
term_fd = -1;
|
||
|
|
fclose(fh);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs(prompt, fh);
|
||
|
|
fflush(fh);
|
||
|
|
|
||
|
|
r = strbuf_getline(&buf, fh, '\n');
|
||
|
|
if (!echo) {
|
||
|
|
putc('\n', fh);
|
||
|
|
fflush(fh);
|
||
|
|
}
|
||
|
|
|
||
|
|
restore_term();
|
||
|
|
fclose(fh);
|
||
|
|
|
||
|
|
if (r == EOF)
|
||
|
|
return NULL;
|
||
|
|
return buf.buf;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
char *git_terminal_prompt(const char *prompt, int echo)
|
||
|
|
{
|
||
|
|
return getpass(prompt);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|