A fprintf() wrapper that takes an Error argument.
Signed-off-by: Luiz Capitulino <[email protected]>
---
cutils.c | 31 +++++++++++++++++++++++++++++++
qemu-common.h | 1 +
2 files changed, 32 insertions(+)
diff --git a/cutils.c b/cutils.c
index 85dbb06..7bbd1b7 100644
--- a/cutils.c
+++ b/cutils.c
@@ -594,3 +594,34 @@ 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
