vnc: Initialization stubs

This reduces the number of CONFIG_VNC #ifdefs in the vl.c code.

The only user-visible difference is that this will make QEMU
complain about syntax when using "-display vnc" ("VNC requires a
display argument vnc=<display>") even if CONFIG_VNC is disabled.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2016-04-19 16:55:18 -03:00
parent 7b7d2be50c
commit f8c75b2486
2 changed files with 20 additions and 15 deletions

View File

@ -6,6 +6,8 @@
#include "qapi/qmp/qdict.h"
#include "qemu/notify.h"
#include "qapi-types.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#ifdef CONFIG_OPENGL
# include <epoxy/gl.h>
@ -430,10 +432,10 @@ void cocoa_display_init(DisplayState *ds, int full_screen);
void vnc_display_init(const char *id);
void vnc_display_open(const char *id, Error **errp);
void vnc_display_add_client(const char *id, int csock, bool skipauth);
char *vnc_display_local_addr(const char *id);
#ifdef CONFIG_VNC
int vnc_display_password(const char *id, const char *password);
int vnc_display_pw_expire(const char *id, time_t expires);
char *vnc_display_local_addr(const char *id);
QemuOpts *vnc_parse(const char *str, Error **errp);
int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
#else
@ -445,6 +447,22 @@ static inline int vnc_display_pw_expire(const char *id, time_t expires)
{
return -ENODEV;
};
static inline QemuOpts *vnc_parse(const char *str, Error **errp)
{
error_setg(errp, "VNC support is disabled");
return NULL;
}
static inline int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
error_setg(errp, "VNC support is disabled");
return -1;
}
static inline char *vnc_display_local_addr(const char *id)
{
/* This must never be called if CONFIG_VNC is disabled */
error_report("VNC support is disabled");
abort();
}
#endif
/* curses.c */

15
vl.c
View File

@ -2148,7 +2148,6 @@ static DisplayType select_display(const char *p)
exit(1);
#endif
} else if (strstart(p, "vnc", &opts)) {
#ifdef CONFIG_VNC
if (*opts == '=') {
Error *err = NULL;
if (vnc_parse(opts + 1, &err) == NULL) {
@ -2159,10 +2158,6 @@ static DisplayType select_display(const char *p)
error_report("VNC requires a display argument vnc=<display>");
exit(1);
}
#else
error_report("VNC support is disabled");
exit(1);
#endif
} else if (strstart(p, "curses", &opts)) {
#ifdef CONFIG_CURSES
display = DT_CURSES;
@ -2966,9 +2961,7 @@ int main(int argc, char **argv, char **envp)
const char *qtest_log = NULL;
const char *pid_file = NULL;
const char *incoming = NULL;
#ifdef CONFIG_VNC
int show_vnc_port = 0;
#endif
bool defconfig = true;
bool userconfig = true;
const char *log_mask = NULL;
@ -3715,17 +3708,12 @@ int main(int argc, char **argv, char **envp)
break;
case QEMU_OPTION_vnc:
{
#ifdef CONFIG_VNC
Error *local_err = NULL;
if (vnc_parse(optarg, &local_err) == NULL) {
error_report_err(local_err);
exit(1);
}
#else
error_report("VNC support is disabled");
exit(1);
#endif
break;
}
case QEMU_OPTION_no_acpi:
@ -4578,7 +4566,6 @@ int main(int argc, char **argv, char **envp)
/* must be after terminal init, SDL library changes signal handlers */
os_setup_signal_handling();
#ifdef CONFIG_VNC
/* init remote displays */
qemu_opts_foreach(qemu_find_opts("vnc"),
vnc_init_func, NULL, NULL);
@ -4587,7 +4574,7 @@ int main(int argc, char **argv, char **envp)
printf("VNC server running on '%s'\n", ret);
g_free(ret);
}
#endif
#ifdef CONFIG_SPICE
if (using_spice) {
qemu_spice_display_init();