From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by sourceware.org (Postfix) with ESMTPS id A83343892471 for ; Mon, 7 Jun 2021 16:02:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A83343892471 Received: by mail-lf1-x142.google.com with SMTP id i10so27148735lfj.2 for ; Mon, 07 Jun 2021 09:02:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=PiSpaEM3J81jaPJhRWdLImStpiEJ7bULl/0T85jIaNw=; b=BxY1O5azKWMKBY1firPUCfP65/hJbTZiQkv5FPFJB/Ob99+VB6ML7A3ggwRYGxQIVQ HSJaZP6UVjjJn3Au+PRc8j5sOcj18W/C7BTMXnKFkXuvP7TD/OJlZFNJ+I/pRZY9SEH0 mKlPv2EMgzq18a/uX4fko/dwRw/WV0iHGGQ0uM9IyOJNBw8q2BjOTvMCS/TSWlcqDA0M ju7onWQ05lKwpOAIa+5Clp3TBCWZCvM3dKW44s0WJo2aqFJCqfW+yxq67OuJYmZToHy6 VgT/Wr1n9UfF1EpEyiObfRN42jXFQs7espFW4UkY/1PqjZKnDVZkZFgnYhsb8fBHaKPu D8qQ== X-Gm-Message-State: AOAM532dO2qKI6D8aojbfBBpDhmDQty7r/4NGjqsnw6NSqV/1tvtzZ27 Zdr1YD33w7BhoMFRTuz+j2JrGup3wTaqQ2UejonYVlqEtacL5oLY X-Google-Smtp-Source: ABdhPJzgQBZhLlNx55sqtjsTuDIgAOtHaOdwmZF8lZY/lv8T/qFeoCiznyuFBkdBEE93rfsCNTCQwuseizKEBd9BlOE= X-Received: by 2002:a19:c96:: with SMTP id 144mr12620604lfm.72.1623081773528; Mon, 07 Jun 2021 09:02:53 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Amit Choudhary Date: Mon, 7 Jun 2021 21:32:42 +0530 Message-ID: Subject: Re: Fastest String Search Algorithm. To: Wilco Dijkstra Cc: GNU C Library X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Jun 2021 16:03:05 -0000 > It's possible you have an old GLIBC - I remember a strstr bug years ago >> where >> it failed to match very large patterns. >> > The glibc on my system is ""GNU libc version: 2.28"". Version 2.28 was released on 2018-08-0. So, do you think that 2.28 version would be having the strstr() bug which fails to match very large patterns. Regards, Amit