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GET /api/patches/810285/?format=api
{ "id": 810285, "url": "http://patchwork.ozlabs.org/api/patches/810285/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/1504643122-14874-10-git-send-email-adhemerval.zanella@linaro.org/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504643122-14874-10-git-send-email-adhemerval.zanella@linaro.org>", "list_archive_url": null, "date": "2017-09-05T20:25:22", "name": "[9/9] posix: Fix glob with GLOB_NOCHECK returning modified patterns (BZ#10246)", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1ee74c91a751314e95c84147ed739c067d1d936d", "submitter": { "id": 66065, "url": "http://patchwork.ozlabs.org/api/people/66065/?format=api", "name": "Adhemerval Zanella", "email": "adhemerval.zanella@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/1504643122-14874-10-git-send-email-adhemerval.zanella@linaro.org/mbox/", "series": [ { "id": 1647, "url": "http://patchwork.ozlabs.org/api/series/1647/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=1647", "date": "2017-09-05T20:25:13", "name": "posix: glob fixes and refactor", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1647/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810285/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810285/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-return-84216-incoming=patchwork.ozlabs.org@sourceware.org>", "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-84216-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"RE9SAcqs\"; 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 3xmyvJ5cVSz9sPs\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 6 Sep 2017 06:27:40 +1000 (AEST)", "(qmail 51261 invoked by alias); 5 Sep 2017 20:25:59 -0000", "(qmail 50633 invoked by uid 89); 5 Sep 2017 20:25:57 -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:cc:subject:date:message-id:in-reply-to\n\t:references; q=dns; s=default; b=Rr9eUcmuiurdUQdn7TBWpyUencv7nDm\n\tb0kESQLTARYJXIAMrMgQNFo6WCxJCeTHrL3xnm5UaOlcA/0xKsqe/UwfEhCnlBmt\n\tj1+gXhqNLwRq4lPDrJarTR1pm15sT2MJwtCHsU6tmBheWgUtBKIfIT9EW106Wv16\n\tE/J4CH0ehpWA=", "DKIM-Signature": "v=1; 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a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=7QXjKJO8zzOSdkRYK7Gp21lxzE7yhu//UewS53dVdJY=;\n\tb=tplxf5XaSwWiBrUeBb9rW6Em3DuscJsE6zv5G7BgngQ90+V0am1KSdyKOFzGjMUiyb\n\tWK5dSkglCD3jTS9tG+AgJdY7lVs3uvlACWGBtNUO4LRS/MjGZCgoUPvQtIJ/Xavvqn/8\n\t5jSkBQ9cqu6rUQgiofB7UcAYBDExMbPHvIMJQG17oASkrJvmFPaVG1B6hqTPBK1TpjxT\n\trux9L/6OgNn6if5WWjY4V6hPxMsVUKhvpHgyg2YBhVdZJDEk3qTissytM1rAbfMSj70I\n\tAXK86QctT/c8uXtfNiv4TbWbFxMXwx4HAKjFGcMmO6rTo9HRrxdjOpdjda2rScv40ss6\n\tPUqw==", "X-Gm-Message-State": "AHPjjUiV/RtzeQ3/grJoBxHTSsbyOO8r5ZxNAW09+ydXgOsg/yWaM5kw\n\tBXXvxaB1jqwILjXjxXOzbw==", "X-Google-Smtp-Source": "ADKCNb5AsVso9ORimOJeC4SVW44hZQ7SJpmX2DL1Gy01P237rLhUgcII5ruCMHabjJ0y4RUq/bVAew==", "X-Received": "by 10.200.11.13 with SMTP id e13mr446688qti.215.1504643148958;\n\tTue, 05 Sep 2017 13:25:48 -0700 (PDT)", "From": "Adhemerval Zanella <adhemerval.zanella@linaro.org>", "To": "libc-alpha@sourceware.org", "Cc": "Paul Eggert <eggert@cs.ucla.edu>", "Subject": "[PATCH 9/9] posix: Fix glob with GLOB_NOCHECK returning modified\n\tpatterns (BZ#10246)", "Date": "Tue, 5 Sep 2017 17:25:22 -0300", "Message-Id": "<1504643122-14874-10-git-send-email-adhemerval.zanella@linaro.org>", "In-Reply-To": "<1504643122-14874-1-git-send-email-adhemerval.zanella@linaro.org>", "References": "<1504643122-14874-1-git-send-email-adhemerval.zanella@linaro.org>" }, "content": "According to POSIX glob with GLOB_NOCHECK should return a list consisting\nof only of the input pattern in case of no match. However GLIBC does not\nhonor in case of '//<something'. This is due internally this is handled\nand special case and prefix_array (responsable to prepend the directory\nname) does not know if the input already contains a slash or not since\neither '/<something>' or '//<something>' will be handle in same way.\n\nThis patch fix it by using a empty directory name for the latter (since\nprefix_array already adds a slash as default for each entry).\n\nChecked on x86_64-linux-gnu and on a build using build-many-glibcs.py\nfor all major architectures.\n\n\t[BZ #10246]\n\t* posix/glob.c (glob): Handle pattern that do not match and\n\tstart with '/' correctly.\n\t* posix/globtest.sh: New tests for NOCHECK.\n---\n ChangeLog | 7 ++++++-\n posix/glob.c | 13 +++++++------\n posix/globtest.sh | 37 +++++++++++++++++++++++++++++++++++++\n 3 files changed, 50 insertions(+), 7 deletions(-)", "diff": "diff --git a/posix/glob.c b/posix/glob.c\nindex 30a4143..25c5d24 100644\n--- a/posix/glob.c\n+++ b/posix/glob.c\n@@ -272,6 +272,8 @@ glob (const char *pattern, int flags, int (*errfunc) (const char *, int),\n size_t oldcount;\n int meta;\n int dirname_modified;\n+ /* Indicate if the directory should be prepended on return values. */\n+ bool dirname_prefix = true;\n int malloc_dirname = 0;\n glob_t dirs;\n int retval = 0;\n@@ -495,6 +497,10 @@ glob (const char *pattern, int flags, int (*errfunc) (const char *, int),\n dirname = (char *) \"/\";\n dirlen = 1;\n ++filename;\n+ /* prefix_array adds a separator for each result and DIRNAME is\n+\t already '/'. So we indicate later that we should not prepend\n+\t anything for this specific case. */\n+ dirname_prefix = false;\n }\n else\n {\n@@ -1086,7 +1092,7 @@ glob (const char *pattern, int flags, int (*errfunc) (const char *, int),\n if (dirlen > 0)\n \t{\n \t /* Stick the directory on the front of each name. */\n-\t if (prefix_array (dirname,\n+\t if (prefix_array (dirname_prefix ? dirname : \"\",\n \t\t\t &pglob->gl_pathv[old_pathc + pglob->gl_offs],\n \t\t\t pglob->gl_pathc - old_pathc))\n \t {\n@@ -1167,11 +1173,6 @@ prefix_array (const char *dirname, char **array, size_t n)\n size_t dirlen = strlen (dirname);\n char dirsep_char = '/';\n \n- if (dirlen == 1 && dirname[0] == '/')\n- /* DIRNAME is just \"/\", so normal prepending would get us \"//foo\".\n- We want \"/foo\" instead, so don't prepend any chars from DIRNAME. */\n- dirlen = 0;\n-\n #if defined __MSDOS__ || defined WINDOWS32\n if (dirlen > 1)\n {\ndiff --git a/posix/globtest.sh b/posix/globtest.sh\nindex 73f7ae3..92a8e37 100755\n--- a/posix/globtest.sh\n+++ b/posix/globtest.sh\n@@ -242,6 +242,43 @@ if test $failed -ne 0; then\n result=1\n fi\n \n+# Test NOCHECK for specific cases where the pattern used starts\n+# with '/' (BZ#10246).\n+failed=0\n+${test_program_prefix} \\\n+${common_objpfx}posix/globtest -c \"$testdir\" \"/%\" |\n+sort > $testout\n+cat <<\"EOF\" | $CMP - $testout >> $logfile || failed=1\n+`/%'\n+EOF\n+if test $failed -ne 0; then\n+ echo \"No check test failed\" >> $logfile\n+ result=1\n+fi\n+\n+${test_program_prefix} \\\n+${common_objpfx}posix/globtest -c \"$testdir\" \"//%\" |\n+sort > $testout\n+cat <<\"EOF\" | $CMP - $testout >> $logfile || failed=1\n+`//%'\n+EOF\n+if test $failed -ne 0; then\n+ echo \"No check test failed\" >> $logfile\n+ result=1\n+fi\n+\n+${test_program_prefix} \\\n+${common_objpfx}posix/globtest -c \"$testdir\" \"///%\" |\n+sort > $testout\n+cat <<\"EOF\" | $CMP - $testout >> $logfile || failed=1\n+`///%'\n+EOF\n+if test $failed -ne 0; then\n+ echo \"No check test failed\" >> $logfile\n+ result=1\n+fi\n+\n+\n # Test NOMAGIC without magic characters\n failed=0\n ${test_program_prefix} \\\n", "prefixes": [ "9/9" ] }