From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id CB6E01F619 for ; Fri, 6 Mar 2020 19:03:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726642AbgCFTDX (ORCPT ); Fri, 6 Mar 2020 14:03:23 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:54716 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726162AbgCFTDW (ORCPT ); Fri, 6 Mar 2020 14:03:22 -0500 Received: by mail-wm1-f66.google.com with SMTP id i9so3636997wml.4 for ; Fri, 06 Mar 2020 11:03:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:in-reply-to:references:from:date:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=rhdaN88Y3W/CYrRdJaszbIuLLtUMZ5SvNrVRjUTOJKA=; b=fBCYawGdmlhqmMNNeVkJganISwP+B67iKbWcea1GPbo0fqHhyI/wo7miug9Z4ra9jg W1bxFoQphMuOqo3lXXRRa0Y8jYxnZ/COtQCJvRnkJmPcPX+zmVamWyxcdQIFsVel1xiu 6rCa3nudWrLJV0vWkb/ne3nUeOMeV42vXwPIAv2fC1/Wg9ttas2Cvy/62bYuHwOgcC1z kmt0uhptmQSze1HC3WNUSG4dfxm2CNyIbof9XOtCN/3CxC1PKkKAAlIgBuYDgnKPE4BC 3zeBsJAKZiTzuh1FZvLsDv0fylF09SpZv9OfuRkxXTZTfxtl9fpxtjWqimRZ38uPGnIe uVug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:in-reply-to:references:from:date :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=rhdaN88Y3W/CYrRdJaszbIuLLtUMZ5SvNrVRjUTOJKA=; b=cbtWfx4ZFlY3JnUF+cZganpTXZ+823Gk2T65X3RB2AIKwuKFxUIh74eDw4rI3HF3Jo nfBZ5dbq+ggiyjayYjYOPzxMSTR/ueMxg3dHAh3QQAlwQgKlSRp8edT4a+xO9oSciNE8 QANBUxYCEgiOIUOI+VC2JaET/HX9n84XFD++S51m1eZCXaMMPxV7GAmLDZLrEqCL3n1O 9g1ZFRH64x1y0pjErMJztxVwgvDHJtPaqCNi75/vIN6oQH4WSinz4IEhIZvUN9In7n2q McsB+GeSOBZk6ZYyjOfXT5ujoZDgO3UqULoEmpIUFPvChQ50QBh6W4zjHsApK4syDnZD fnAg== X-Gm-Message-State: ANhLgQ1bqt31+w0Kxb9fg888i4Gt5nSM0eND0SUCnkiw4MEn8MylMW/0 SVV7uwQ5jSliElrf/nttUN7DJU/Q X-Google-Smtp-Source: ADFU+vtkYrIx+1tp2L+qmLqwwoYMMOZOW5PqTiU0YPuKkz+598Xeh0amQvcYed+RdPk8a1xAOiYcTw== X-Received: by 2002:a1c:9c96:: with SMTP id f144mr5174680wme.98.1583521400973; Fri, 06 Mar 2020 11:03:20 -0800 (PST) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id e11sm47831023wrm.80.2020.03.06.11.03.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2020 11:03:20 -0800 (PST) Message-Id: <2eeefda3d41e6af1bc61249daf14b42050f0d0c3.1583521397.git.gitgitgadget@gmail.com> In-Reply-To: References: From: "Alexandr Miloslavskiy via GitGitGadget" Date: Fri, 06 Mar 2020 19:03:16 +0000 Subject: [PATCH 4/4] get_superproject_working_tree(): return strbuf Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 To: git@vger.kernel.org Cc: Alexandr Miloslavskiy , Alexandr Miloslavskiy Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Alexandr Miloslavskiy Together with the previous commits, this commit fully fixes the problem of using shared buffer for `real_path()` in `get_superproject_working_tree()`. Signed-off-by: Alexandr Miloslavskiy --- builtin/rev-parse.c | 7 ++++--- submodule.c | 17 ++++++++--------- submodule.h | 4 ++-- 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 06ca7175ac7..06056434ed1 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -808,9 +808,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (!strcmp(arg, "--show-superproject-working-tree")) { - const char *superproject = get_superproject_working_tree(); - if (superproject) - puts(superproject); + struct strbuf superproject = STRBUF_INIT; + if (get_superproject_working_tree(&superproject)) + puts(superproject.buf); + strbuf_release(&superproject); continue; } if (!strcmp(arg, "--show-prefix")) { diff --git a/submodule.c b/submodule.c index 215c62580fc..46f6c2cbfd0 100644 --- a/submodule.c +++ b/submodule.c @@ -2168,14 +2168,13 @@ void absorb_git_dir_into_superproject(const char *path, } } -const char *get_superproject_working_tree(void) +int get_superproject_working_tree(struct strbuf* buf) { - static struct strbuf realpath = STRBUF_INIT; struct child_process cp = CHILD_PROCESS_INIT; struct strbuf sb = STRBUF_INIT; struct strbuf one_up = STRBUF_INIT; const char *cwd = xgetcwd(); - const char *ret = NULL; + int ret = 0; const char *subpath; int code; ssize_t len; @@ -2186,10 +2185,10 @@ const char *get_superproject_working_tree(void) * We might have a superproject, but it is harder * to determine. */ - return NULL; + return 0; if (!strbuf_realpath(&one_up, "../", 0)) - return NULL; + return 0; subpath = relative_path(cwd, one_up.buf, &sb); strbuf_release(&one_up); @@ -2233,8 +2232,8 @@ const char *get_superproject_working_tree(void) super_wt = xstrdup(cwd); super_wt[cwd_len - super_sub_len] = '\0'; - strbuf_realpath(&realpath, super_wt, 1); - ret = realpath.buf; + strbuf_realpath(buf, super_wt, 1); + ret = 1; free(super_wt); } strbuf_release(&sb); @@ -2243,10 +2242,10 @@ const char *get_superproject_working_tree(void) if (code == 128) /* '../' is not a git repository */ - return NULL; + return 0; if (code == 0 && len == 0) /* There is an unrelated git repository at '../' */ - return NULL; + return 0; if (code) die(_("ls-tree returned unexpected return code %d"), code); diff --git a/submodule.h b/submodule.h index c81ec1a9b6c..17492e478fc 100644 --- a/submodule.h +++ b/submodule.h @@ -152,8 +152,8 @@ void absorb_git_dir_into_superproject(const char *path, /* * Return the absolute path of the working tree of the superproject, which this * project is a submodule of. If this repository is not a submodule of - * another repository, return NULL. + * another repository, return 0. */ -const char *get_superproject_working_tree(void); +int get_superproject_working_tree(struct strbuf* buf); #endif -- gitgitgadget