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Diffstat (limited to 'readline/input.c')
-rw-r--r--readline/input.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/readline/input.c b/readline/input.c
index 7c74c99..e35277f 100644
--- a/readline/input.c
+++ b/readline/input.c
@@ -86,6 +86,36 @@ static int ibuffer_space PARAMS((void));
static int rl_get_char PARAMS((int *));
static int rl_gather_tyi PARAMS((void));
+#if defined (_WIN32) && !defined (__CYGWIN__)
+
+/* 'isatty' in the Windows runtime returns non-zero for every
+ character device, including the null device. Repair that. */
+#include <io.h>
+#define WIN32_LEAN_AND_MEAN 1
+#include <windows.h>
+
+int w32_isatty (int fd)
+{
+ if (_isatty(fd))
+ {
+ HANDLE h = (HANDLE) _get_osfhandle (fd);
+ DWORD ignored;
+
+ if (h == INVALID_HANDLE_VALUE)
+ {
+ errno = EBADF;
+ return 0;
+ }
+ if (GetConsoleMode (h, &ignored) != 0)
+ return 1;
+ }
+ errno = ENOTTY;
+ return 0;
+}
+
+#define isatty(x) w32_isatty(x)
+#endif
+
/* **************************************************************** */
/* */
/* Character Input Buffering */
@@ -465,8 +495,10 @@ rl_getc (stream)
RL_CHECK_SIGNALS ();
#if defined (__MINGW32__)
+ /* Use _getch to make sure we call the function from MS runtime,
+ even if some curses library is linked in. */
if (isatty (fileno (stream)))
- return (getch ());
+ return (_getch ());
#endif
result = read (fileno (stream), &c, sizeof (unsigned char));