From ead83a136d54f7faa315922aff26fa11d216909f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Tue, 14 Apr 2020 15:30:43 +0200 Subject: qga: Extract qmp_guest_file_read() to common commands.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Extract the common code shared by both POSIX/Win32 implementations. Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Michael Roth --- qga/commands.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'qga/commands.c') diff --git a/qga/commands.c b/qga/commands.c index 4471a9f08d..5611117372 100644 --- a/qga/commands.c +++ b/qga/commands.c @@ -18,6 +18,7 @@ #include "qemu/base64.h" #include "qemu/cutils.h" #include "qemu/atomic.h" +#include "commands-common.h" /* Maximum captured guest-exec out_data/err_data - 16MB */ #define GUEST_EXEC_MAX_OUTPUT (16*1024*1024) @@ -547,3 +548,28 @@ error: g_free(info); return NULL; } + +GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, + int64_t count, Error **errp) +{ + GuestFileHandle *gfh = guest_file_handle_find(handle, errp); + GuestFileRead *read_data; + + if (!gfh) { + return NULL; + } + if (!has_count) { + count = QGA_READ_COUNT_DEFAULT; + } else if (count < 0 || count >= UINT32_MAX) { + error_setg(errp, "value '%" PRId64 "' is invalid for argument count", + count); + return NULL; + } + + read_data = guest_file_read_unsafe(gfh, count, errp); + if (!read_data) { + slog("guest-file-write failed, handle: %" PRId64, handle); + } + + return read_data; +} -- cgit v1.2.3