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ext/posix: posix_isatty set errno for it too. #13918

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ext/posix: posix_isatty set errno for it too. #13918

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2 changes: 2 additions & 0 deletions ext/posix/posix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -521,11 +521,13 @@ PHP_FUNCTION(posix_isatty)

/* A valid file descriptor must fit in an int and be positive */
if (fd < 0 || fd > INT_MAX) {
POSIX_G(last_error) = EBADF;
RETURN_FALSE;
}
if (isatty(fd)) {
RETURN_TRUE;
} else {
POSIX_G(last_error) = errno;
RETURN_FALSE;
}
}
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6 changes: 6 additions & 0 deletions ext/posix/tests/posix_isatty_value_errors.phpt
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Expand Up @@ -11,13 +11,19 @@ if (PHP_INT_SIZE != 8) die('skip C int is same size as zend_long');

$values = [
-1,
10024,
2**50+1,
];

foreach ($values as $value) {
var_dump(posix_isatty($value));
var_dump(posix_strerror(posix_get_last_error()));
}
?>
--EXPECT--
bool(false)
string(19) "Bad file descriptor"
bool(false)
string(19) "Bad file descriptor"
bool(false)
string(19) "Bad file descriptor"