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Diffstat (limited to 'compat/terminal.c')
-rw-r--r--compat/terminal.c75
1 files changed, 60 insertions, 15 deletions
diff --git a/compat/terminal.c b/compat/terminal.c
index 43b73ddc75..5b903e7c7e 100644
--- a/compat/terminal.c
+++ b/compat/terminal.c
@@ -8,8 +8,6 @@
#if defined(HAVE_DEV_TTY) || defined(GIT_WINDOWS_NATIVE)
-static void restore_term(void);
-
static void restore_term_on_signal(int sig)
{
restore_term();
@@ -25,7 +23,7 @@ static void restore_term_on_signal(int sig)
static int term_fd = -1;
static struct termios old_term;
-static void restore_term(void)
+void restore_term(void)
{
if (term_fd < 0)
return;
@@ -35,15 +33,22 @@ static void restore_term(void)
term_fd = -1;
}
+int save_term(int full_duplex)
+{
+ if (term_fd < 0)
+ term_fd = open("/dev/tty", O_RDWR);
+
+ return (term_fd < 0) ? -1 : tcgetattr(term_fd, &old_term);
+}
+
static int disable_bits(tcflag_t bits)
{
struct termios t;
- term_fd = open("/dev/tty", O_RDWR);
- if (tcgetattr(term_fd, &t) < 0)
+ if (save_term(0) < 0)
goto error;
- old_term = t;
+ t = old_term;
sigchain_push_common(restore_term_on_signal);
t.c_lflag &= ~bits;
@@ -75,9 +80,10 @@ static int enable_non_canonical(void)
static int use_stty = 1;
static struct string_list stty_restore = STRING_LIST_INIT_DUP;
static HANDLE hconin = INVALID_HANDLE_VALUE;
-static DWORD cmode;
+static HANDLE hconout = INVALID_HANDLE_VALUE;
+static DWORD cmode_in, cmode_out;
-static void restore_term(void)
+void restore_term(void)
{
if (use_stty) {
int i;
@@ -97,9 +103,42 @@ static void restore_term(void)
if (hconin == INVALID_HANDLE_VALUE)
return;
- SetConsoleMode(hconin, cmode);
+ SetConsoleMode(hconin, cmode_in);
+ CloseHandle(hconin);
+ if (cmode_out) {
+ assert(hconout != INVALID_HANDLE_VALUE);
+ SetConsoleMode(hconout, cmode_out);
+ CloseHandle(hconout);
+ }
+
+ hconin = hconout = INVALID_HANDLE_VALUE;
+}
+
+int save_term(int full_duplex)
+{
+ hconin = CreateFileA("CONIN$", GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ, NULL, OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL, NULL);
+ if (hconin == INVALID_HANDLE_VALUE)
+ return -1;
+
+ if (full_duplex) {
+ hconout = CreateFileA("CONOUT$", GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL, NULL);
+ if (hconout == INVALID_HANDLE_VALUE)
+ goto error;
+
+ GetConsoleMode(hconout, &cmode_out);
+ }
+
+ GetConsoleMode(hconin, &cmode_in);
+ use_stty = 0;
+ return 0;
+error:
CloseHandle(hconin);
hconin = INVALID_HANDLE_VALUE;
+ return -1;
}
static int disable_bits(DWORD bits)
@@ -135,15 +174,11 @@ static int disable_bits(DWORD bits)
use_stty = 0;
}
- hconin = CreateFile("CONIN$", GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ, NULL, OPEN_EXISTING,
- FILE_ATTRIBUTE_NORMAL, NULL);
- if (hconin == INVALID_HANDLE_VALUE)
+ if (save_term(0) < 0)
return -1;
- GetConsoleMode(hconin, &cmode);
sigchain_push_common(restore_term_on_signal);
- if (!SetConsoleMode(hconin, cmode & ~bits)) {
+ if (!SetConsoleMode(hconin, cmode_in & ~bits)) {
CloseHandle(hconin);
hconin = INVALID_HANDLE_VALUE;
return -1;
@@ -361,6 +396,16 @@ int read_key_without_echo(struct strbuf *buf)
#else
+int save_term(int full_duplex)
+{
+ /* full_duplex == 1, but no support available */
+ return -full_duplex;
+}
+
+void restore_term(void)
+{
+}
+
char *git_terminal_prompt(const char *prompt, int echo)
{
return getpass(prompt);