Export chr_is_ringbuf() function. Also remove left-over function prototypes
while at it.

Signed-off-by: Hani Benhabiles <h...@linux.com>
---
 hmp-commands.hx       |  2 ++
 hmp.h                 |  2 ++
 include/sysemu/char.h |  3 +--
 monitor.c             | 39 +++++++++++++++++++++++++++++++++++++++
 qemu-char.c           |  2 +-
 5 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index 2e462c0..dcec5ef 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -852,6 +852,7 @@ ETEXI
         .params     = "device data",
         .help       = "Write to a ring buffer character device",
         .mhandler.cmd = hmp_ringbuf_write,
+        .command_completion = ringbuf_write_completion,
     },
 
 STEXI
@@ -868,6 +869,7 @@ ETEXI
         .params     = "device size",
         .help       = "Read from a ring buffer character device",
         .mhandler.cmd = hmp_ringbuf_read,
+        .command_completion = ringbuf_write_completion,
     },
 
 STEXI
diff --git a/hmp.h b/hmp.h
index aba59e9..212e5d2 100644
--- a/hmp.h
+++ b/hmp.h
@@ -103,5 +103,7 @@ void chardev_add_completion(ReadLineState *rs, int nb_args, 
const char *str);
 void set_link_completion(ReadLineState *rs, int nb_args, const char *str);
 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str);
 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str);
+void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str);
+void ringbuf_read_completion(ReadLineState *rs, int nb_args, const char *str);
 
 #endif
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index b81a6ff..7f5eeb3 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -286,9 +286,8 @@ void qemu_chr_add_handlers(CharDriverState *s,
 void qemu_chr_be_generic_open(CharDriverState *s);
 void qemu_chr_accept_input(CharDriverState *s);
 int qemu_chr_add_client(CharDriverState *s, int fd);
-void qemu_chr_info_print(Monitor *mon, const QObject *ret_data);
-void qemu_chr_info(Monitor *mon, QObject **ret_data);
 CharDriverState *qemu_chr_find(const char *name);
+bool chr_is_ringbuf(const CharDriverState *chr);
 
 QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename);
 
diff --git a/monitor.c b/monitor.c
index 593679a..93eb6d8 100644
--- a/monitor.c
+++ b/monitor.c
@@ -4411,6 +4411,45 @@ void chardev_remove_completion(ReadLineState *rs, int 
nb_args, const char *str)
     qapi_free_ChardevInfoList(start);
 }
 
+static void ringbuf_completion(ReadLineState *rs, const char *str)
+{
+    size_t len;
+    ChardevInfoList *list, *start;
+
+    len = strlen(str);
+    readline_set_completion_index(rs, len);
+
+    start = list = qmp_query_chardev(NULL);
+    while (list) {
+        ChardevInfo *chr_info = list->value;
+
+        if (!strncmp(chr_info->label, str, len)) {
+            CharDriverState *chr = qemu_chr_find(chr_info->label);
+            if (chr && chr_is_ringbuf(chr)) {
+                readline_add_completion(rs, chr_info->label);
+            }
+        }
+        list = list->next;
+    }
+    qapi_free_ChardevInfoList(start);
+}
+
+void ringbuf_read_completion(ReadLineState *rs, int nb_args, const char *str)
+{
+    if (nb_args != 2) {
+        return;
+    }
+    ringbuf_completion(rs, str);
+}
+
+void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
+{
+    if (nb_args != 2) {
+        return;
+    }
+    ringbuf_completion(rs, str);
+}
+
 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
 {
     size_t len;
diff --git a/qemu-char.c b/qemu-char.c
index 17b476e..4c04bbc 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2849,7 +2849,7 @@ fail:
     return NULL;
 }
 
-static bool chr_is_ringbuf(const CharDriverState *chr)
+bool chr_is_ringbuf(const CharDriverState *chr)
 {
     return chr->chr_write == ringbuf_chr_write;
 }
-- 
1.8.3.2


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