{"id":808910,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808910/?format=json","project":{"id":41,"url":"http://patchwork.ozlabs.org/api/1.0/projects/41/?format=json","name":"GNU C Library","link_name":"glibc","list_id":"libc-alpha.sourceware.org","list_email":"libc-alpha@sourceware.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20170901180029.9527-44-hjl.tools@gmail.com>","date":"2017-09-01T18:00:14","name":"[43/58] Hide internal __hasmntopt function [BZ #18822]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"12bd2c29133ec13a791e59d3337f5a89ce3a1b22","submitter":{"id":4387,"url":"http://patchwork.ozlabs.org/api/1.0/people/4387/?format=json","name":"H.J. Lu","email":"hjl.tools@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/20170901180029.9527-44-hjl.tools@gmail.com/mbox/","series":[{"id":1088,"url":"http://patchwork.ozlabs.org/api/1.0/series/1088/?format=json","date":"2017-09-01T18:00:21","name":"Hide internal functions in libc.so","version":1,"mbox":"http://patchwork.ozlabs.org/series/1088/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808910/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list libc-alpha@sourceware.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-84096-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"ckqi7lKX\"; dkim-atps=neutral","sourceware.org; auth=none"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xkS1s2d5qz9t3k\n\tfor ;\n\tSat, 2 Sep 2017 04:09:37 +1000 (AEST)","(qmail 90916 invoked by alias); 1 Sep 2017 18:01:24 -0000","(qmail 90629 invoked by uid 89); 1 Sep 2017 18:01:22 -0000"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:subject:date:message-id:in-reply-to\n\t:references; q=dns; s=default; b=wKYhvuCdhg2jmjHx0/agoZgJweWyw5A\n\tQIbBt5UDTSb+3TRomM71ElVOlnv7WD0Jj447mD7vZmtrGBpT0TQTcU8lUimaEzek\n\t0l0AFZwP8QYKRaeE0oH0YiGtPKG8AxWoSOVkWZ5/sjvkSqD+NNwZQNeWGnUJUvJa\n\t5Pm6yimuJwJ4=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:subject:date:message-id:in-reply-to\n\t:references; s=default; bh=mrUhlZbvHH/iIkphO6XLyrBm45A=; b=ckqi7\n\tlKXNqcO8pF/PzZVuAg8a71Ge9ZvyPlAo70ArmexY5hF3knbB/489WMf4qgxr/jmc\n\t6VX4be5x5FI+g/kaLjSGh0otcgLpTGYnWZ/xHlsMsf4+n2kcXHf1otDYeT/cQzrT\n\tdNrEgS/oOD8Nt1kzSAfv9K2fb4sIY9SwKTeKIc=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","Sender":"libc-alpha-owner@sourceware.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-26.2 required=5.0 tests=BAYES_00,\n\tFREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2,\n\tGIT_PATCH_3,\n\tSPF_SOFTFAIL autolearn=ham version=3.3.2 spammy=H*m:gmail","X-HELO":"mga02.intel.com","X-ExtLoop1":"1","From":"\"H.J. Lu\" ","To":"libc-alpha@sourceware.org","Subject":"[PATCH 43/58] Hide internal __hasmntopt function [BZ #18822]","Date":"Fri, 1 Sep 2017 11:00:14 -0700","Message-Id":"<20170901180029.9527-44-hjl.tools@gmail.com>","In-Reply-To":"<20170901180029.9527-1-hjl.tools@gmail.com>","References":"<20170901180029.9527-1-hjl.tools@gmail.com>"},"content":"Hide internal __hasmntopt function to allow direct access within libc.so\nand libc.a without using GOT nor PLT.\n\n\t[BZ #18822]\n\t* include/mntent.h (__hasmntopt): Add libc_hidden_proto.\n\t* misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.\n---\n include/mntent.h | 1 +\n misc/mntent_r.c | 1 +\n 2 files changed, 2 insertions(+)","diff":"diff --git a/include/mntent.h b/include/mntent.h\nindex 169210fc66..a16298ed6e 100644\n--- a/include/mntent.h\n+++ b/include/mntent.h\n@@ -15,6 +15,7 @@ extern char *__hasmntopt (const struct mntent *__mnt, const char *__opt);\n libc_hidden_proto (__setmntent)\n libc_hidden_proto (__getmntent_r)\n libc_hidden_proto (__endmntent)\n+libc_hidden_proto (__hasmntopt)\n \n # endif /* !_ISOMAC */\n #endif\ndiff --git a/misc/mntent_r.c b/misc/mntent_r.c\nindex 30f55212be..96bd1e2fb4 100644\n--- a/misc/mntent_r.c\n+++ b/misc/mntent_r.c\n@@ -293,4 +293,5 @@ __hasmntopt (const struct mntent *mnt, const char *opt)\n \n return NULL;\n }\n+libc_hidden_def (__hasmntopt)\n weak_alias (__hasmntopt, hasmntopt)\n","prefixes":["43/58"]}