diff options
| -rw-r--r-- | migration/qemu-file.c | 13 | ||||
| -rw-r--r-- | migration/qemu-file.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/migration/qemu-file.c b/migration/qemu-file.c index 2ab2bf362d..e85f501f86 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -734,6 +734,19 @@ size_t qemu_get_counted_string(QEMUFile *f, char buf[256]) } /* + * Put a string with one preceding byte containing its length. The length of + * the string should be less than 256. + */ +void qemu_put_counted_string(QEMUFile *f, const char *str) +{ + size_t len = strlen(str); + + assert(len < 256); + qemu_put_byte(f, len); + qemu_put_buffer(f, (const uint8_t *)str, len); +} + +/* * Set the blocking state of the QEMUFile. * Note: On some transports the OS only keeps a single blocking state for * both directions, and thus changing the blocking on the main diff --git a/migration/qemu-file.h b/migration/qemu-file.h index aae4e5ed36..f4f356ab12 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -174,4 +174,6 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset, ram_addr_t offset, size_t size, uint64_t *bytes_sent); +void qemu_put_counted_string(QEMUFile *f, const char *name); + #endif |