diff options
| -rw-r--r-- | qapi-schema.json | 5 | ||||
| -rw-r--r-- | qemu-char.c | 14 |
2 files changed, 17 insertions, 2 deletions
diff --git a/qapi-schema.json b/qapi-schema.json index f014a80f72..516b14526b 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3102,11 +3102,14 @@ # # @in: #optional The name of the input file # @out: The name of the output file +# @append: #optional Open the file in append mode (default false to +# truncate) (Since 2.6) # # Since: 1.4 ## { 'struct': 'ChardevFile', 'data': { '*in' : 'str', - 'out' : 'str' } } + 'out' : 'str', + '*append': 'bool' } } ## # @ChardevHostdev: diff --git a/qemu-char.c b/qemu-char.c index 2969c44e84..66703e3f0a 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3484,6 +3484,9 @@ static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend, } backend->u.file = g_new0(ChardevFile, 1); backend->u.file->out = g_strdup(path); + + backend->u.file->has_append = true; + backend->u.file->append = qemu_opt_get_bool(opts, "append", false); } static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend, @@ -4041,6 +4044,9 @@ QemuOptsList qemu_chardev_opts = { },{ .name = "chardev", .type = QEMU_OPT_STRING, + },{ + .name = "append", + .type = QEMU_OPT_BOOL, }, { /* end of list */ } }, @@ -4101,7 +4107,13 @@ static CharDriverState *qmp_chardev_open_file(const char *id, ChardevFile *file = backend->u.file; int flags, in = -1, out; - flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY; + flags = O_WRONLY | O_CREAT | O_BINARY; + if (file->has_append && file->append) { + flags |= O_APPEND; + } else { + flags |= O_TRUNC; + } + out = qmp_chardev_open_file_source(file->out, flags, errp); if (out < 0) { return NULL; |