use macro to define constructor function

Avoid having to call function at runtime to inialize static.
Old functions are defined as deprecated for compatibility.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Pavel Grunt <pgrunt@redhat.com>

common/gdi_canvas.c

@@ -1857,6 +1857,4 @@ void gdi_canvas_init(void) //unsafe global function
     gdi_canvas_ops.put_image = gdi_canvas_put_image;
     gdi_canvas_ops.clear = gdi_canvas_clear;
     gdi_canvas_ops.destroy = gdi_canvas_destroy;
-
-    rop3_init();
 }

common/gl_canvas.c

@@ -908,6 +908,4 @@ void gl_canvas_init(void) //unsafe global function
     gl_canvas_ops.group_start = gl_canvas_group_start;
     gl_canvas_ops.group_end = gl_canvas_group_end;
     gl_canvas_ops.destroy = gl_canvas_destroy;
-
-    rop3_init();
 }

common/quic.c

@@ -1634,13 +1634,11 @@ int quic_decode(QuicContext *quic, QuicImageType type, uint8_t *buf, int stride)
     return QUIC_OK;
 }
 
-static int need_init = TRUE;
-
 QuicContext *quic_create(QuicUsrContext *usr)
 {
     Encoder *encoder;
 
-    if (!usr || need_init || !usr->error || !usr->warn || !usr->info || !usr->malloc ||
+    if (!usr || !usr->error || !usr->warn || !usr->info || !usr->malloc ||
         !usr->free || !usr->more_space || !usr->more_lines) {
         return NULL;
     }
@@ -1671,13 +1669,8 @@ void quic_destroy(QuicContext *quic)
     encoder->usr->free(encoder->usr, encoder);
 }
 
-void quic_init(void)
+SPICE_CONSTRUCTOR_FUNC(quic_global_init)
 {
-    if (!need_init) {
-        return;
-    }
-    need_init = FALSE;
-
     family_init(&family_8bpc, 8, DEFmaxclen);
     family_init(&family_5bpc, 5, DEFmaxclen);
 }

common/quic.h

@@ -63,7 +63,7 @@ int quic_decode(QuicContext *quic, QuicImageType type, uint8_t *buf, int stride)
 QuicContext *quic_create(QuicUsrContext *usr);
 void quic_destroy(QuicContext *quic);
 
-void quic_init(void);
+static inline SPICE_GNUC_DEPRECATED void quic_init(void) {}
 
 SPICE_END_DECLS
 

common/rop3.c

@@ -376,16 +376,10 @@ ROP3_HANDLERS(DPSoo, *src | *pat | *dest, 0xfe);
     rop3_test_handlers_32[index] = rop3_test32_##op;             \
     rop3_test_handlers_16[index] = rop3_test16_##op;
 
-void rop3_init(void)
+SPICE_CONSTRUCTOR_FUNC(rop3_global_init)
 {
-    static int need_init = 1;
     int i;
 
-    if (!need_init) {
-        return;
-    }
-    need_init = 0;
-
     for (i = 0; i < ROP3_NUM_OPS; i++) {
         rop3_with_pattern_handlers_32[i] = default_rop3_with_pattern_handler;
         rop3_with_pattern_handlers_16[i] = default_rop3_with_pattern_handler;

common/rop3.h

@@ -32,7 +32,7 @@ void do_rop3_with_pattern(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, Sp
 void do_rop3_with_color(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, SpicePoint *src_pos,
                         uint32_t rgb);
 
-void rop3_init(void);
+static inline SPICE_GNUC_DEPRECATED void rop3_init(void) {}
 
 SPICE_END_DECLS
 

common/sw_canvas.c

@@ -1188,7 +1188,6 @@ static void canvas_destroy(SpiceCanvas *spice_canvas)
     free(canvas);
 }
 
-static int need_init = 1;
 static SpiceCanvasOps sw_canvas_ops;
 
 static SpiceCanvas *canvas_create_common(pixman_image_t *image,
@@ -1205,9 +1204,6 @@ static SpiceCanvas *canvas_create_common(pixman_image_t *image,
 {
     SwCanvas *canvas;
 
-    if (need_init) {
-        return NULL;
-    }
     spice_pixman_image_set_format(image,
                                   spice_surface_format_to_pixman (format));
 
@@ -1290,13 +1286,8 @@ SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format,
                                 );
 }
 
-void sw_canvas_init(void) //unsafe global function
+SPICE_CONSTRUCTOR_FUNC(sw_canvas_global_init) //unsafe global function
 {
-    if (!need_init) {
-        return;
-    }
-    need_init = 0;
-
     canvas_base_init_ops(&sw_canvas_ops);
     sw_canvas_ops.draw_text = canvas_draw_text;
     sw_canvas_ops.put_image = canvas_put_image;
@@ -1329,5 +1320,4 @@ void sw_canvas_init(void) //unsafe global function
     sw_canvas_ops.colorkey_scale_image_from_surface = colorkey_scale_image_from_surface;
     sw_canvas_ops.copy_region = copy_region;
     sw_canvas_ops.get_image = get_image;
-    rop3_init();
 }

common/sw_canvas.h

@@ -52,7 +52,7 @@ SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format, uint
                            );
 
 
-void sw_canvas_init(void);
+static inline SPICE_GNUC_DEPRECATED void sw_canvas_init(void) {}
 
 SPICE_END_DECLS