From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 481AD40059 for ; Sat, 19 Feb 2022 09:56:51 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 1E38068B058; Sat, 19 Feb 2022 11:56:49 +0200 (EET) Received: from msg-4.mailo.com (ip-15.mailobj.net [213.182.54.15]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2A79068AFDC for ; Sat, 19 Feb 2022 11:56:43 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailo.com; s=mailo; t=1645264595; bh=UaTF/ZFNf+TaWxTnXLeNinfxMIrGgRvkXoYlUt+N8Kg=; h=X-EA-Auth:From:To:Subject:Date:Message-Id:X-Mailer:MIME-Version: Content-Transfer-Encoding; b=HeL/Iq4QPbHRrNEyqKPb2YxwdAb2n/Kc6Yc2wl/QGjp0WSxg6wKSghsKwPXjZyb3T FqUYycv31bKKKabvWZL9qH/3RpAm4XYUwkiSJOlsbzP5U/K/kJ3hhtwFcnjDKHf10F MfkvIDUspXHUy/S+qYZKywS/Wef5CsfgDtaXY2eg= Received: by b-3.in.mailobj.net [192.168.90.13] with ESMTP via ip-206.mailobj.net [213.182.55.206] Sat, 19 Feb 2022 10:56:35 +0100 (CET) X-EA-Auth: WZqTcCopBqSCZuhkcwe1UMzAc625T7x6vS9L88/5njpa1+QtOC/QgE1oz5EBuSFJFQaR9a43Omc+quR1YMNU/ODeIeEHIPLOl8slb8qOhDM= From: Nil Admirari To: ffmpeg-devel@ffmpeg.org Date: Sat, 19 Feb 2022 12:56:18 +0300 Message-Id: <20220219095623.9417-1-nil-admirari@mailo.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v7 1/6] libavutil/wchar_filename.h: Add whcartoutf8, wchartoansi and utf8toansi X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: These functions are going to be used in libavformat/avisynth.c and fftools/cmdutils.c when replacing MAX_PATH-sized buffers with dynamically sized ones. --- libavutil/wchar_filename.h | 51 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/libavutil/wchar_filename.h b/libavutil/wchar_filename.h index 90f0824..70cd5a4 100644 --- a/libavutil/wchar_filename.h +++ b/libavutil/wchar_filename.h @@ -40,6 +40,57 @@ static inline int utf8towchar(const char *filename_utf8, wchar_t **filename_w) MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, *filename_w, num_chars); return 0; } + +av_warn_unused_result +static inline int wchartocp(const unsigned int code_page, const wchar_t *filename_w, + char **filename) +{ + const int flags = code_page == CP_UTF8 ? MB_ERR_INVALID_CHARS : 0; + const int num_chars = WideCharToMultiByte(code_page, flags, filename_w, -1, + NULL, 0, NULL, NULL); + if (num_chars <= 0) { + *filename = NULL; + return 0; + } + *filename = av_calloc(num_chars, sizeof(char)); + if (!*filename) { + errno = ENOMEM; + return -1; + } + WideCharToMultiByte(code_page, flags, filename_w, -1, + *filename, num_chars, NULL, NULL); + return 0; +} + +av_warn_unused_result +static inline int wchartoutf8(const wchar_t *filename_w, char **filename) +{ + return wchartocp(CP_UTF8, filename_w, filename); +} + +av_warn_unused_result +static inline int wchartoansi(const wchar_t *filename_w, char **filename) +{ + return wchartocp(CP_THREAD_ACP, filename_w, filename); +} + +av_warn_unused_result +static inline int utf8toansi(const char *filename_utf8, char **filename) +{ + wchar_t *filename_w = NULL; + int ret = -1; + if (utf8towchar(filename_utf8, &filename_w)) + return -1; + + if (!filename_w) { + *filename = NULL; + return 0; + } + + ret = wchartoansi(filename_w, filename); + av_free(filename_w); + return ret; +} #endif #endif /* AVUTIL_WCHAR_FILENAME_H */ -- 2.32.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".