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error.c: limit depth
* error.c (rb_warn_m): limit backtrace depth to reduce objects to be created but not used. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61527 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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1 changed files with 5 additions and 3 deletions
8
error.c
8
error.c
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@ -342,12 +342,14 @@ rb_warn_m(int argc, VALUE *argv, VALUE exc)
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uplevel = Qnil;
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}
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else if (!NIL_P(uplevel)) {
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VALUE args[2];
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long lev = NUM2LONG(uplevel);
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if (lev < 0) {
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rb_raise(rb_eArgError, "negative level (%ld)", lev);
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}
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uplevel = LONG2NUM(lev + 1);
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uplevel = rb_vm_thread_backtrace_locations(1, &uplevel, GET_THREAD()->self);
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args[0] = LONG2NUM(lev + 1);
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args[1] = INT2FIX(1);
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uplevel = rb_vm_thread_backtrace_locations(2, args, GET_THREAD()->self);
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if (!NIL_P(uplevel)) {
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uplevel = rb_ary_entry(uplevel, 0);
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}
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@ -360,7 +362,7 @@ rb_warn_m(int argc, VALUE *argv, VALUE exc)
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else {
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VALUE path;
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path = rb_funcall(uplevel, rb_intern("path"), 0);
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str = rb_sprintf("%s:%li: warning: ",
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str = rb_sprintf("%s:%ld: warning: ",
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rb_string_value_ptr(&path),
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NUM2LONG(rb_funcall(uplevel, rb_intern("lineno"), 0)));
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}
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