diff options
Diffstat (limited to 'error.c')
-rw-r--r-- | error.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -718,6 +718,10 @@ rb_sys_fail(mesg) int n = errno; VALUE ee; + if (errno == 0) { + rb_bug("rb_sys_fail() - errno == 0"); + } + err = strerror(errno); if (mesg) { volatile VALUE tmp = rb_str_inspect(rb_str_new2(mesg)); |