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Fail early when opening tty fails

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Kovid Goyal 2018-09-02 14:29:10 +05:30
parent e05aaf77ce
commit ac686a47c1
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1 changed files with 1 additions and 0 deletions
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kitty/data-types.c
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@ -126,6 +126,7 @@ open_tty(PyObject *self UNUSED, PyObject *args) {
if (!read_with_timeout) flags |= O_NONBLOCK; if (!read_with_timeout) flags |= O_NONBLOCK;
static char ctty[L_ctermid+1]; static char ctty[L_ctermid+1];
int fd = open(ctermid(ctty), flags); int fd = open(ctermid(ctty), flags);
if (fd == -1) { PyErr_SetFromErrno(PyExc_OSError); return NULL; }
struct termios *termios_p = calloc(1, sizeof(struct termios)); struct termios *termios_p = calloc(1, sizeof(struct termios));
if (!termios_p) return PyErr_NoMemory(); if (!termios_p) return PyErr_NoMemory();
if (tcgetattr(fd, termios_p) != 0) { free(termios_p); PyErr_SetFromErrno(PyExc_OSError); return NULL; } if (tcgetattr(fd, termios_p) != 0) { free(termios_p); PyErr_SetFromErrno(PyExc_OSError); return NULL; }