On 2/6/26 03:26, Warner Losh wrote:
From: Stacey Son <[email protected]>
Add implementation of uuidgen(2) syscall that generates UUIDs and
converts them to target ABI format.
Signed-off-by: Stacey Son <[email protected]>
Signed-off-by: Warner Losh <[email protected]>
---
bsd-user/bsd-misc.h | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/bsd-user/bsd-misc.h b/bsd-user/bsd-misc.h
index d81b4fbaef..b722c63437 100644
--- a/bsd-user/bsd-misc.h
+++ b/bsd-user/bsd-misc.h
@@ -43,6 +43,40 @@ static inline abi_long do_bsd_reboot(abi_long how)
return -TARGET_ENOSYS;
}
+/* uuidgen(2) */
+static inline abi_long do_bsd_uuidgen(abi_ulong target_addr, int count)
+{
+ int i;
+ abi_long ret;
+ struct uuid *host_uuid;
+
+ if (count < 1 || count > 2048) {
+ return -TARGET_EINVAL;
+ }
+
+ host_uuid = g_malloc(count * sizeof(struct uuid));
+
+ if (host_uuid == NULL) {
g_malloc will never return null.
+ return -TARGET_ENOMEM;
+ }
+
+ ret = get_errno(uuidgen(host_uuid, count));
+ if (is_error(ret)) {
+ goto out;
+ }
+ for (i = 0; i < count; i++) {
+ ret = host_to_target_uuid(target_addr +
+ (abi_ulong)(sizeof(struct target_uuid) * i), &host_uuid[i]);
+ if (is_error(ret)) {
+ goto out;
+ }
+ }
+
+out:
+ g_free(host_uuid);
+ return ret;
+}
Can be improved with g_autofree instead of goto.
r~
