diff options
Diffstat (limited to 'error.c')
| -rw-r--r-- | error.c | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -42,6 +42,7 @@ VALUE rb_iseqw_local_variables(VALUE iseqval); VALUE rb_iseqw_new(const rb_iseq_t *); +int rb_str_end_with_asciichar(VALUE str, int c); VALUE rb_eEAGAIN; VALUE rb_eEWOULDBLOCK; @@ -280,9 +281,11 @@ rb_enc_warning(rb_encoding *enc, const char *fmt, ...) * call-seq: * warn(msg, ...) -> nil * - * Displays each of the given messages followed by a record separator on - * STDERR unless warnings have been disabled (for example with the - * <code>-W0</code> flag). + * If warnings have been disabled (for example with the + * <code>-W0</code> flag), does nothing. Otherwise, + * converts each of the messages to strings, appends a newline + * character to the string if the string does not end in a newline, + * and calls <code>Warning.warn</code> with the string. * * warn("warning 1", "warning 2") * @@ -296,7 +299,15 @@ static VALUE rb_warn_m(int argc, VALUE *argv, VALUE exc) { if (!NIL_P(ruby_verbose) && argc > 0) { - rb_io_puts(argc, argv, rb_stderr); + int i; + VALUE str; + for (i = 0; i < argc; i++) { + str = rb_obj_as_string(argv[i]); + if (RSTRING_LEN(str) == 0 || !rb_str_end_with_asciichar(str, '\n')) { + str = rb_str_cat(rb_str_dup(str), "\n", 1); + } + rb_write_warning_str(str); + } } return Qnil; } |