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author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2020-04-14 15:30:43 +0200 |
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committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2020-04-15 09:15:53 -0500 |
commit | ead83a136d54f7faa315922aff26fa11d216909f (patch) | |
tree | 9780b832182caa810e72a4b45e99c2a38f31ab16 /qga/commands.c | |
parent | 5d3586b834633c8ac462d4741b85b4036cbc0f93 (diff) | |
download | qemu-ead83a136d54f7faa315922aff26fa11d216909f.zip qemu-ead83a136d54f7faa315922aff26fa11d216909f.tar.gz qemu-ead83a136d54f7faa315922aff26fa11d216909f.tar.bz2 |
qga: Extract qmp_guest_file_read() to common commands.c
Extract the common code shared by both POSIX/Win32 implementations.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'qga/commands.c')
-rw-r--r-- | qga/commands.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/qga/commands.c b/qga/commands.c index 4471a9f..5611117 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; +} |