[PATCH 3/8] Constify spice_server_char_device_recognized_subtypes

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Users should not change the list of supported subtypes.
This could break the API but not the ABI.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/reds.c       | 4 ++--
 server/spice-char.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/server/reds.c b/server/reds.c
index b2438f6..3f33c32 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -3150,7 +3150,7 @@ SPICE_GNUC_VISIBLE void spice_server_char_device_wakeup(SpiceCharDeviceInstance*
 #define SUBTYPE_USBREDIR "usbredir"
 #define SUBTYPE_PORT "port"
 
-static const char *spice_server_char_device_recognized_subtypes_list[] = {
+static const char *const spice_server_char_device_recognized_subtypes_list[] = {
     SUBTYPE_VDAGENT,
 #ifdef USE_SMARTCARD
     SUBTYPE_SMARTCARD,
@@ -3159,7 +3159,7 @@ static const char *spice_server_char_device_recognized_subtypes_list[] = {
     NULL,
 };
 
-SPICE_GNUC_VISIBLE const char** spice_server_char_device_recognized_subtypes(void)
+SPICE_GNUC_VISIBLE const char* const* spice_server_char_device_recognized_subtypes(void)
 {
     return spice_server_char_device_recognized_subtypes_list;
 }
diff --git a/server/spice-char.h b/server/spice-char.h
index efd685d..e0348c2 100644
--- a/server/spice-char.h
+++ b/server/spice-char.h
@@ -56,6 +56,6 @@ struct SpiceCharDeviceInstance {
 
 void spice_server_char_device_wakeup(SpiceCharDeviceInstance *sin);
 void spice_server_port_event(SpiceCharDeviceInstance *char_device, uint8_t event);
-const char** spice_server_char_device_recognized_subtypes(void);
+const char* const* spice_server_char_device_recognized_subtypes(void);
 
 #endif /* SPICE_CHAR_H_ */
-- 
2.7.4

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