diff options
Diffstat (limited to 'compat/winansi.c')
| -rw-r--r-- | compat/winansi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/compat/winansi.c b/compat/winansi.c index 54fd701cbf..c27b20a79d 100644 --- a/compat/winansi.c +++ b/compat/winansi.c @@ -662,10 +662,20 @@ void winansi_init(void) */ HANDLE winansi_get_osfhandle(int fd) { + HANDLE ret; + if (fd == 1 && (fd_is_interactive[1] & FD_SWAPPED)) return hconsole1; if (fd == 2 && (fd_is_interactive[2] & FD_SWAPPED)) return hconsole2; - return (HANDLE)_get_osfhandle(fd); + ret = (HANDLE)_get_osfhandle(fd); + + /* + * There are obviously circumstances under which _get_osfhandle() + * returns (HANDLE)-2. This is not documented anywhere, but that is so + * clearly an invalid handle value that we can just work around this + * and return the correct value for invalid handles. + */ + return ret == (HANDLE)-2 ? INVALID_HANDLE_VALUE : ret; } |