From unknown Tue Jun 17 01:27:06 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#61377 <61377@debbugs.gnu.org> To: bug#61377 <61377@debbugs.gnu.org> Subject: Status: Too many [-Wsign-compare] warnings Reply-To: bug#61377 <61377@debbugs.gnu.org> Date: Tue, 17 Jun 2025 08:27:06 +0000 retitle 61377 Too many [-Wsign-compare] warnings reassign 61377 diffutils submitter 61377 Bjarni Ingi Gislason severity 61377 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Wed Feb 08 22:38:40 2023 Received: (at submit) by debbugs.gnu.org; 9 Feb 2023 03:38:41 +0000 Received: from localhost ([127.0.0.1]:57108 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pPxlb-00065b-Kf for submit@debbugs.gnu.org; Wed, 08 Feb 2023 22:38:40 -0500 Received: from lists.gnu.org ([209.51.188.17]:60988) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pPuWt-0000Z2-Fb for submit@debbugs.gnu.org; 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d="scan'208";a="73732244" Received: from vist-zimproxy-01.vist.is ([194.105.232.87]) by smtp-out-05.simnet.is with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 00:11:02 +0000 Received: from localhost (localhost [127.0.0.1]) by vist-zimproxy-01.vist.is (Postfix) with ESMTP id DA243427E606 for ; Thu, 9 Feb 2023 00:11:01 +0000 (GMT) Received: from vist-zimproxy-01.vist.is ([127.0.0.1]) by localhost (vist-zimproxy-01.vist.is [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id gs6SYF0x8JUU for ; Thu, 9 Feb 2023 00:11:01 +0000 (GMT) Received: from localhost (localhost [127.0.0.1]) by vist-zimproxy-01.vist.is (Postfix) with ESMTP id A2F8B429AA0E for ; Thu, 9 Feb 2023 00:11:01 +0000 (GMT) Received: from vist-zimproxy-01.vist.is ([127.0.0.1]) by localhost (vist-zimproxy-01.vist.is [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id rDHg9EczGcrf for ; Thu, 9 Feb 2023 00:11:01 +0000 (GMT) Received: from kassi.invalid.is.lan (85-220-7-150.dsl.dynamic.simnet.is [85.220.7.150]) by vist-zimproxy-01.vist.is (Postfix) with ESMTPS id 8C44F427E606 for ; Thu, 9 Feb 2023 00:11:01 +0000 (GMT) Received: from bg by kassi.invalid.is.lan with local (Exim 4.96) (envelope-from ) id 1pPuWh-000JVQ-0N for bug-diffutils@gnu.org; Thu, 09 Feb 2023 00:10:59 +0000 Date: Thu, 9 Feb 2023 00:10:59 +0000 From: Bjarni Ingi Gislason To: bug-diffutils@gnu.org Subject: Too many [-Wsign-compare] warnings Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=194.105.231.8; envelope-from=bingigis@simnet.is; helo=smtp-out1-05.simnet.is X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Wed, 08 Feb 2023 22:38:31 -0500 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Compiling diffutils from git shows for example In file included from ../../src/cmp.c:19: ../../src/cmp.c: In function 'cmp': ../../src/system.h:108:24: warning: comparison of integer expressions of different signedness: 'off_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 108 | #define MIN(a, b) ((a) <= (b) ? (a) : (b)) | ^~ ../../src/cmp.c:419:38: note: in expansion of macro 'MIN' 419 | size_t bytes_to_read = MIN (ig, buf_size); | ^~~ ../../src/system.h:108:33: warning: operand of '?:' changes signedness from 'off_t' {aka 'long int'} to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare] 108 | #define MIN(a, b) ((a) <= (b) ? (a) : (b)) | ^~~ ../../src/cmp.c:419:38: note: in expansion of macro 'MIN' 419 | size_t bytes_to_read = MIN (ig, buf_size); | ^~~ ../../src/cmp.c:439:25: warning: comparison of integer expressions of different signedness: 'intmax_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 439 | if (remaining < bytes_to_read) | ^ Total number is 26.