diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | io.c | 2 |
2 files changed, 6 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Thu Dec 25 17:06:13 2008 Tanaka Akira <akr@fsij.org> + + * io.c (rb_io_initialize): check fd validity. [ruby-dev:36646] + Thu Dec 25 16:23:31 2008 Tanaka Akira <akr@fsij.org> * io.c (flush_before_seek): check io_fflush result. @@ -5898,6 +5898,7 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io) int fd, fmode, oflags = O_RDONLY; convconfig_t convconfig; VALUE opt; + struct stat st; rb_secure(4); @@ -5906,6 +5907,7 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io) rb_io_extract_modeenc(&vmode, 0, opt, &oflags, &fmode, &convconfig); fd = NUM2INT(fnum); + if (fstat(fd, &st) == -1) rb_sys_fail(0); UPDATE_MAXFD(fd); if (NIL_P(vmode)) { #if defined(HAVE_FCNTL) && defined(F_GETFL) |