diff options
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -2915,7 +2915,8 @@ pipe_open(argc, argv, mode) } } #else - prog = rb_ary_join(rb_ary_new4(argc, argv), rb_str_new2(" ")); + if (argc) + prog = rb_ary_join(rb_ary_new4(argc, argv), rb_str_new2(" ")); fp = popen(StringValueCStr(prog), mode); if (!fp) rb_sys_fail(RSTRING(prog)->ptr); fd = fileno(fp); |