From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:42517) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ua6J9-0006eJ-Sk for qemu-devel@nongnu.org; Wed, 08 May 2013 11:29:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ua6J3-0004al-Gw for qemu-devel@nongnu.org; Wed, 08 May 2013 11:29:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:24068) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ua6J3-0004aS-9E for qemu-devel@nongnu.org; Wed, 08 May 2013 11:29:25 -0400 From: Laszlo Ersek Date: Wed, 8 May 2013 17:31:35 +0200 Message-Id: <1368027096-12108-2-git-send-email-lersek@redhat.com> In-Reply-To: <1368027096-12108-1-git-send-email-lersek@redhat.com> References: <1368027096-12108-1-git-send-email-lersek@redhat.com> Subject: [Qemu-devel] [PATCH v2 1/2] qga: distinguish binary modes in "guest_file_open_modes" map List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: eblake@redhat.com, aliguori@us.ibm.com, peter.maydell@linaro.org, mdroth@linux.vnet.ibm.com, qemu-devel@nongnu.org In Windows guests this may make a difference. Since the original patch (commit c689b4f1) sought to be pedantic and to consider theoretical corner cases of portability, we should fix it up where it failed to come through in that pursuit. Suggested-by: Eric Blake Reviewed-by: Eric Blake Signed-off-by: Laszlo Ersek --- qga/commands-posix.c | 22 ++++++++++++++++------ 1 files changed, 16 insertions(+), 6 deletions(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 04c6951..2eec712 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -242,17 +242,27 @@ static GuestFileHandle *guest_file_handle_find(int64_t id, Error **err) typedef const char * const ccpc; +#ifndef O_BINARY +#define O_BINARY 0 +#endif + /* http://pubs.opengroup.org/onlinepubs/9699919799/functions/fopen.html */ static const struct { ccpc *forms; int oflag_base; } guest_file_open_modes[] = { - { (ccpc[]){ "r", "rb", NULL }, O_RDONLY }, - { (ccpc[]){ "w", "wb", NULL }, O_WRONLY | O_CREAT | O_TRUNC }, - { (ccpc[]){ "a", "ab", NULL }, O_WRONLY | O_CREAT | O_APPEND }, - { (ccpc[]){ "r+", "rb+", "r+b", NULL }, O_RDWR }, - { (ccpc[]){ "w+", "wb+", "w+b", NULL }, O_RDWR | O_CREAT | O_TRUNC }, - { (ccpc[]){ "a+", "ab+", "a+b", NULL }, O_RDWR | O_CREAT | O_APPEND } + { (ccpc[]){ "r", NULL }, O_RDONLY }, + { (ccpc[]){ "rb", NULL }, O_RDONLY | O_BINARY }, + { (ccpc[]){ "w", NULL }, O_WRONLY | O_CREAT | O_TRUNC }, + { (ccpc[]){ "wb", NULL }, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY }, + { (ccpc[]){ "a", NULL }, O_WRONLY | O_CREAT | O_APPEND }, + { (ccpc[]){ "ab", NULL }, O_WRONLY | O_CREAT | O_APPEND | O_BINARY }, + { (ccpc[]){ "r+", NULL }, O_RDWR }, + { (ccpc[]){ "rb+", "r+b", NULL }, O_RDWR | O_BINARY }, + { (ccpc[]){ "w+", NULL }, O_RDWR | O_CREAT | O_TRUNC }, + { (ccpc[]){ "wb+", "w+b", NULL }, O_RDWR | O_CREAT | O_TRUNC | O_BINARY }, + { (ccpc[]){ "a+", NULL }, O_RDWR | O_CREAT | O_APPEND }, + { (ccpc[]){ "ab+", "a+b", NULL }, O_RDWR | O_CREAT | O_APPEND | O_BINARY } }; static int -- 1.7.1