From: "Peter Moylan" Received: from [192.168.100.201] (HELO mail.2rosenthals.com) by 2rosenthals.com (CommuniGate Pro SMTP 5.4.10) with ESMTP id 11710854 for ecs-isp@2rosenthals.com; Sun, 05 Jan 2025 00:51:40 -0500 Received: from secmgr-va.2rosenthals.com ([50.73.8.217]:47953 helo=mail2.2rosenthals.com) by mail.2rosenthals.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1tUJXv-000000007PH-0I4F for ecs-isp@2rosenthals.com; Sun, 05 Jan 2025 00:51:32 -0500 Received: from pmoylan.org ([144.6.37.71]:57635 helo=mail.pmoylan.org) by mail2.2rosenthals.com with esmtp (Exim 4.97.1) (envelope-from ) id 1tUJXq-000000002ZV-19LE for ecs-isp@2rosenthals.com; Sun, 05 Jan 2025 00:51:28 -0500 X-SASI-Hits: BODYTEXTP_SIZE_3000_LESS 0.000000, BODY_ENDS_IN_URL 0.000000, BODY_SIZE_1300_1399 0.000000, BODY_SIZE_2000_LESS 0.000000, BODY_SIZE_5000_LESS 0.000000, BODY_SIZE_7000_LESS 0.000000, CTE_7BIT 0.000000, DKIM_ALIGNS 0.000000, DKIM_SIGNATURE 0.000000, 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X-SASI-Version: Antispam-Engine: 5.1.4, AntispamData: 2025.1.5.52446 DKIM-Signature: v=1; q=dns/txt; a=rsa-sha256; c=relaxed/relaxed; s=default; d=pmoylan.org; bh=L90LPVO7bD/WAAz+kttSU93fMlCRT/236SbZFfWje0k=; h=From:To:Date:Message-ID; b=eSEGW6eszEq9hxv+k60qBkoB77vLWq+B1wxncZ49MuHKL5DReGm+W2Zoj5mymevUbc3p+ KyHDHjs3EhY5uZ/pLCWnm26QtbS0sxktSIqPAoQxSXjqxFDSO5YbwDU0T/dCNWVD5i1J1fi g3pj7D1vz4TLPJMCYSAGinZIIyH9kCk= Received: from [192.168.20.3] (peter.pmoylan.org [192.168.20.3]) by mail.pmoylan.org (Weasel v3.0); Sun, 05 Jan 2025 16:51:18 +1100 Subject: Re: [eCS-ISP] Getting started with Let's Encrypt To: eCS ISP Mailing List , webserve-list@os2voice.org References: Message-ID: <677A1DD5.3030903@pmoylan.org> Date: Sun, 5 Jan 2025 16:51:17 +1100 User-Agent: Mozilla/5.0 (OS/2; Warp 4.5; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit This is a long shot. I suspect my problem is unsolvable. Has anyone else had problems with VioWrtCharStr? I've been using it successfully for years, but suddenly I have a case where the program using it just exits without comment. Not every time, just at one particular place in my program. And, in fact, only when I run the debugger. (Which is stopping me from working on an unrelated bug, later in the execution.) No trap file, no POPUPLOG entry, no symptoms at all except that the program exits. The stack pointer doesn't seem to be anywhere near a significant boundary. The code in question is rc := OS2.VioWrtCharStr (p^, amount, CurrentRow,CurrentColumn, 0); IF rc <> 0 THEN HALT; END (*IF*); The HALT is there because I was searching for a way to discover the value of rc, but it turns out that the exit occurs before an rc value can be returned. The parameter values: CurrentRow=19, CurrentColumn=0, amount is something like 50, and p points to a character string that is guaranteed not to cross a 64K boundary in memory. By stepping through machine instructions I found that the problem is somewhere in a module called BVHWNDW$, in something called from DOSCALL1, but I haven't been able to pin it down more precisely than that. -- Peter Moylan peter@pmoylan.org http://www.pmoylan.org