From patchwork Tue Nov 17 07:45:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 11911655 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D100F6C1 for ; Tue, 17 Nov 2020 07:46:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7AB3223C7 for ; Tue, 17 Nov 2020 07:46:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nTPREIyw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725747AbgKQHqK (ORCPT ); Tue, 17 Nov 2020 02:46:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726739AbgKQHqK (ORCPT ); Tue, 17 Nov 2020 02:46:10 -0500 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 378F1C0613CF for ; Mon, 16 Nov 2020 23:46:10 -0800 (PST) Received: by mail-wm1-x342.google.com with SMTP id a3so2270391wmb.5 for ; Mon, 16 Nov 2020 23:46:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YRTqtNT9mO0mGYSahSb5OSguJogcF8plMjrRUvQGK7M=; b=nTPREIywWp1VSjEyZp0D/ClKjxXy61+X/+eVri/EDMXZo4F4kXrBxQobcZsg9W+UPN /hTS7sxXONoQRvL/fjAyZoeTfNgYk8WoPPjDmnSEAwUgZz/CwliFWa+ULlUwBh48fz0e rT+jaEjjh8a6V+eikDqg24/ing5X6GKDIhulT1dOCoJGHvFF24vwvc+teemtO4LJIQFR i0fHfI4eeJWJrJSgjKSdfhV6uP2EQ2O+AA+Rr/NPsCnfepBbnPNdS62B9iQqxdFYgjK1 3RRXSBeoGxP+8oOFWAW6QF+2vZxmzScrLz3XUV43KkUIi4hKp+wG2TiXaimaLaHyxu4g hhMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YRTqtNT9mO0mGYSahSb5OSguJogcF8plMjrRUvQGK7M=; b=T9boLEUTe9l3XujoCzuIBPjOCGprSfcLs3z0OYl9+HS8NyTLdLOKoN1I2dw+a510ds SxMEAtzhCwOyFigaick2gtYnr1eT/MsZkftFHCSvE3WOkdybjlyY7TnT3gJj+Fj9cspS zRfQagLrnTfX5s6gJV9gu9IH3/vuPDEn2BBvkIQGX7EtQIQb9ijutFDPwb4bY6x5Zcjq /Vtd+8EQzkn7CxtD8x7cLTTMLhNZDb4gO9mEzUBKAQgTRTxqK73gX562aavhdjwSf6cg RIcnTvg1QDXWtNes4MrcmYlz57LpigGmXUX/r5FyctKw03o6qx+l1hObSgdbMziI5FLT 5LAw== X-Gm-Message-State: AOAM531k76uf4nKIVJTSJPKX5PQTqN5Bmf+D5jLOsVOLxhmU1iCJ499D 9n5GE0ySon0bkhOZum012mJOzsIfcPAMI3rp X-Google-Smtp-Source: ABdhPJyaObUCsO87gFUPGUy83ZZbL+VmL09LVlIAs8zhCr7lwH/aKugDwCifmbndysJiSXPTfYBdPA== X-Received: by 2002:a1c:21c1:: with SMTP id h184mr3005763wmh.106.1605599168979; Mon, 16 Nov 2020 23:46:08 -0800 (PST) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id d3sm25752046wre.91.2020.11.16.23.46.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Nov 2020 23:46:08 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v4 8/8] libtracefs: Hide non API functions Date: Tue, 17 Nov 2020 09:45:57 +0200 Message-Id: <20201117074557.180602-9-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201117074557.180602-1-tz.stoyanov@gmail.com> References: <20201117074557.180602-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org There are internal library functions, which are not declared as a static. They are used inside the library from different files. Hide them from the library users, as they are not part of the API: trace_append_file() str_read_file() Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/tracefs/include/tracefs-local.h | 2 ++ lib/tracefs/tracefs-events.c | 2 +- lib/tracefs/tracefs-utils.c | 3 ++- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/tracefs/include/tracefs-local.h b/lib/tracefs/include/tracefs-local.h index 08b67fa9..9cc371b4 100644 --- a/lib/tracefs/include/tracefs-local.h +++ b/lib/tracefs/include/tracefs-local.h @@ -6,6 +6,8 @@ #ifndef _TRACE_FS_LOCAL_H #define _TRACE_FS_LOCAL_H +#define __hidden __attribute__((visibility ("hidden"))) + /* Can be overridden */ void warning(const char *fmt, ...); int str_read_file(const char *file, char **buffer); diff --git a/lib/tracefs/tracefs-events.c b/lib/tracefs/tracefs-events.c index f2c6046c..80a25ee5 100644 --- a/lib/tracefs/tracefs-events.c +++ b/lib/tracefs/tracefs-events.c @@ -210,7 +210,7 @@ static char **add_list_string(char **list, const char *name, int len) return list; } -char *trace_append_file(const char *dir, const char *name) +__hidden char *trace_append_file(const char *dir, const char *name) { char *file; int ret; diff --git a/lib/tracefs/tracefs-utils.c b/lib/tracefs/tracefs-utils.c index 227990a9..326b4559 100644 --- a/lib/tracefs/tracefs-utils.c +++ b/lib/tracefs/tracefs-utils.c @@ -15,6 +15,7 @@ #include #include "tracefs.h" +#include "tracefs-local.h" #define TRACEFS_PATH "/sys/kernel/tracing" #define DEBUGFS_PATH "/sys/kernel/debug" @@ -188,7 +189,7 @@ void tracefs_put_tracing_file(char *name) free(name); } -int str_read_file(const char *file, char **buffer) +__hidden int str_read_file(const char *file, char **buffer) { char stbuf[BUFSIZ]; char *buf = NULL;