From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53111) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SY0Nz-0005Pt-Q6 for qemu-devel@nongnu.org; Fri, 25 May 2012 15:41:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SY0Nx-0004Ko-VJ for qemu-devel@nongnu.org; Fri, 25 May 2012 15:41:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30386) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SY0Nx-0004IB-DQ for qemu-devel@nongnu.org; Fri, 25 May 2012 15:41:17 -0400 From: Luiz Capitulino Date: Fri, 25 May 2012 16:41:09 -0300 Message-Id: <1337974879-3656-5-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1337974879-3656-1-git-send-email-lcapitulino@redhat.com> References: <1337974879-3656-1-git-send-email-lcapitulino@redhat.com> Subject: [Qemu-devel] [PATCH 04/14] cutils: introduce qemu_fprintf_err() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, alevy@redhat.com, armbru@redhat.com A fprintf() wrapper that takes an Error argument. Signed-off-by: Luiz Capitulino --- cutils.c | 31 +++++++++++++++++++++++++++++++ qemu-common.h | 1 + 2 files changed, 32 insertions(+) diff --git a/cutils.c b/cutils.c index bdee130..f5b02b4 100644 --- a/cutils.c +++ b/cutils.c @@ -591,3 +591,34 @@ FILE *qemu_fopen_err(const char *path, const char *mode, Error **errp) return fp; } + +static void set_write_err(Error **errp, int err_nr) +{ + switch (err_nr) { + case ENOSPC: + error_set(errp, QERR_NO_SPACE); + return; + case EFBIG: + error_set(errp, QERR_FILE_TOO_BIG); + return; + default: + error_set(errp, QERR_IO_ERROR); + return; + } +} + +int qemu_fprintf_err(Error **errp, FILE *stream, const char *format, ...) +{ + va_list ap; + int ret; + + va_start(ap, format); + ret = vfprintf(stream, format, ap); + va_end(ap); + + if (ret < 0) { + set_write_err(errp, errno); + } + + return ret; +} diff --git a/qemu-common.h b/qemu-common.h index 2cab2a8..58c5197 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -210,6 +210,7 @@ int qemu_recvv(int sockfd, struct iovec *iov, int len, int iov_offset); int qemu_sendv(int sockfd, struct iovec *iov, int len, int iov_offset); FILE *qemu_fopen_err(const char *path, const char *mode, Error **errp); +int qemu_fprintf_err(Error **errp, FILE *stream, const char *format, ...); /* Error handling. */ -- 1.7.10.2.565.gbd578b5