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1 | /* faking/emulating gp2x by using gtk */ |
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2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <string.h> |
5 | #include <pthread.h> |
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6 | #include <semaphore.h> |
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7 | #include <gtk/gtk.h> |
8 | |
9 | #include <unistd.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
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12 | #include <fcntl.h> |
13 | #include <errno.h> |
14 | |
15 | #include "../gp2x/emu.h" |
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16 | //#include "../gp2x/gp2x.h" |
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17 | #include "../gp2x/version.h" |
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18 | #include "../common/emu.h" |
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19 | #include "sndout_oss.h" |
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20 | |
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21 | #include "log_io.h" |
22 | |
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23 | unsigned long current_keys = 0; |
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24 | static int current_bpp = 8; |
25 | static int current_pal[256]; |
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26 | static const char *verstring = "PicoDrive " VERSION; |
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27 | static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT; |
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28 | |
29 | // dummies |
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30 | int mix_32_to_16l_level; |
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31 | |
32 | /* gtk */ |
33 | struct gtk_global_struct |
34 | { |
35 | GtkWidget *window; |
36 | GtkWidget *pixmap1; |
37 | } gtk_items; |
38 | |
39 | |
40 | static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) |
41 | { |
42 | return FALSE; |
43 | } |
44 | |
45 | static void destroy (GtkWidget *widget, gpointer data) |
46 | { |
47 | gtk_main_quit (); |
48 | } |
49 | |
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50 | /* faking GP2X pad */ |
51 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
52 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
53 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
54 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
55 | |
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56 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
57 | { |
58 | switch (event->hardware_keycode) |
59 | { |
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60 | case 111: |
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61 | case 0x62: current_keys |= GP2X_UP; break; |
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62 | case 116: |
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63 | case 0x68: current_keys |= GP2X_DOWN; break; |
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64 | case 113: |
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65 | case 0x64: current_keys |= GP2X_LEFT; break; |
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66 | case 114: |
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67 | case 0x66: current_keys |= GP2X_RIGHT; break; |
68 | case 0x24: current_keys |= GP2X_START; break; // enter |
69 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
70 | case 0x34: current_keys |= GP2X_A; break; // z |
71 | case 0x35: current_keys |= GP2X_X; break; // x |
72 | case 0x36: current_keys |= GP2X_B; break; // c |
73 | case 0x37: current_keys |= GP2X_Y; break; // v |
74 | case 0x27: current_keys |= GP2X_L; break; // s |
75 | case 0x28: current_keys |= GP2X_R; break; // d |
76 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
77 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
78 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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79 | case 0x2d: log_io_clear(); break; // k |
80 | case 0x2e: log_io_dump(); break; // l |
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81 | case 0x17: { // tab |
82 | extern int PicoReset(void); |
83 | PicoReset(); |
84 | break; |
85 | } |
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86 | } |
87 | |
88 | return 0; |
89 | } |
90 | |
91 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
92 | { |
93 | switch (event->hardware_keycode) |
94 | { |
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95 | case 111: |
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96 | case 0x62: current_keys &= ~GP2X_UP; break; |
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97 | case 116: |
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98 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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99 | case 113: |
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100 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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101 | case 114: |
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102 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
103 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
104 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
105 | case 0x34: current_keys &= ~GP2X_A; break; // z |
106 | case 0x35: current_keys &= ~GP2X_X; break; // x |
107 | case 0x36: current_keys &= ~GP2X_B; break; // c |
108 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
109 | case 0x27: current_keys &= ~GP2X_L; break; // s |
110 | case 0x28: current_keys &= ~GP2X_R; break; // d |
111 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
112 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
113 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
114 | } |
115 | |
116 | return 0; |
117 | } |
118 | |
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119 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
120 | { |
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121 | // printf("%dx%d\n", allocation->width, allocation->height); |
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122 | if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) { |
123 | scr_w = allocation->width - 2; |
124 | scr_h = allocation->height - 2; |
125 | scr_changed = 1; |
126 | } |
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127 | } |
128 | |
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129 | static void *gtk_threadf(void *targ) |
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130 | { |
131 | int argc = 0; |
132 | char *argv[] = { "" }; |
133 | GtkWidget *box; |
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134 | sem_t *sem = targ; |
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135 | |
136 | g_thread_init (NULL); |
137 | gdk_threads_init (); |
138 | gdk_set_locale (); |
139 | gtk_init (&argc, (char ***) &argv); |
140 | |
141 | /* create new window */ |
142 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
143 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
144 | G_CALLBACK (delete_event), NULL); |
145 | |
146 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
147 | G_CALLBACK (destroy), NULL); |
148 | |
149 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
150 | G_CALLBACK (key_press_event), NULL); |
151 | |
152 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
153 | G_CALLBACK (key_release_event), NULL); |
154 | |
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155 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
156 | G_CALLBACK (size_allocate_event), NULL); |
157 | |
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158 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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159 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
160 | |
161 | box = gtk_hbox_new(FALSE, 0); |
162 | gtk_widget_show(box); |
163 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
164 | |
165 | /* live pixmap */ |
166 | gtk_items.pixmap1 = gtk_image_new (); |
167 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
168 | gtk_widget_show (gtk_items.pixmap1); |
169 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
170 | |
171 | gtk_widget_show (gtk_items.window); |
172 | |
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173 | sem_post(sem); |
174 | |
175 | gtk_main(); |
176 | |
177 | printf("linux: gtk thread finishing\n"); |
178 | exit(1); |
179 | |
180 | return NULL; |
181 | } |
182 | |
183 | static void gtk_initf(void) |
184 | { |
185 | pthread_t gtk_thread; |
186 | sem_t sem; |
187 | sem_init(&sem, 0, 0); |
188 | |
189 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
190 | pthread_detach(gtk_thread); |
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191 | |
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192 | sem_wait(&sem); |
193 | sem_close(&sem); |
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194 | } |
195 | |
196 | void finalize_image(guchar *pixels, gpointer data) |
197 | { |
198 | free(pixels); |
199 | } |
200 | |
201 | /* --- */ |
202 | |
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203 | static void realloc_screen(void) |
204 | { |
205 | void *old = g_screen_ptr; |
206 | g_screen_width = scr_w; |
207 | g_screen_height = scr_h; |
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208 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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209 | free(old); |
210 | scr_changed = 0; |
211 | } |
212 | |
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213 | void plat_init(void) |
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214 | { |
215 | printf("entering init()\n"); fflush(stdout); |
216 | |
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217 | realloc_screen(); |
218 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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219 | |
220 | // snd |
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221 | sndout_oss_init(); |
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222 | |
223 | gtk_initf(); |
224 | |
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225 | printf("exitting init()\n"); fflush(stdout); |
226 | } |
227 | |
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228 | void plat_finish(void) |
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229 | { |
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230 | free(g_screen_ptr); |
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231 | sndout_oss_exit(); |
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232 | } |
233 | |
234 | /* video */ |
235 | void gp2x_video_flip(void) |
236 | { |
237 | GdkPixbuf *pixbuf; |
238 | unsigned char *image; |
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239 | int pixel_count, i; |
240 | |
241 | pixel_count = g_screen_width * g_screen_height; |
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242 | |
243 | gdk_threads_enter(); |
244 | |
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245 | image = malloc(pixel_count * 3); |
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246 | if (image == NULL) |
247 | { |
248 | gdk_threads_leave(); |
249 | return; |
250 | } |
251 | |
252 | if (current_bpp == 8) |
253 | { |
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254 | unsigned char *pixels = g_screen_ptr; |
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255 | int pix; |
256 | |
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257 | for (i = 0; i < pixel_count; i++) |
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258 | { |
259 | pix = current_pal[pixels[i]]; |
260 | image[3 * i + 0] = pix >> 16; |
261 | image[3 * i + 1] = pix >> 8; |
262 | image[3 * i + 2] = pix; |
263 | } |
264 | } |
265 | else |
266 | { |
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267 | unsigned short *pixels = g_screen_ptr; |
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268 | |
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269 | for (i = 0; i < pixel_count; i++) |
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270 | { |
271 | /* in: rrrr rggg gggb bbbb */ |
272 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
273 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
274 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
275 | image[3 * i + 2] = (pixels[i] << 3); |
276 | } |
277 | } |
278 | |
279 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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280 | FALSE, 8, g_screen_width, g_screen_height, |
281 | g_screen_width * 3, finalize_image, NULL); |
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282 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
283 | g_object_unref (pixbuf); |
284 | |
285 | gdk_threads_leave(); |
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286 | |
287 | if (scr_changed) |
288 | realloc_screen(); |
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289 | } |
290 | |
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291 | void gp2x_video_flip2(void) |
292 | { |
293 | gp2x_video_flip(); |
294 | } |
295 | |
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296 | void gp2x_video_changemode(int bpp) |
297 | { |
298 | current_bpp = bpp; |
299 | } |
300 | |
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301 | void gp2x_video_changemode2(int bpp) |
302 | { |
303 | current_bpp = bpp; |
304 | } |
305 | |
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306 | void gp2x_video_setpalette(int *pal, int len) |
307 | { |
308 | memcpy(current_pal, pal, len*4); |
309 | } |
310 | |
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311 | void gp2x_video_RGB_setscaling(int v_offs, int W, int H) |
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312 | { |
313 | } |
314 | |
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315 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
316 | { |
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317 | memset((char *)g_screen_ptr + offset, byte, len); |
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318 | } |
319 | |
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320 | /* joy */ |
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321 | int gp2x_touchpad_read(int *x, int *y) |
322 | { |
323 | return -1; |
324 | } |
325 | |
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326 | /* 940 */ |
327 | int crashed_940 = 0; |
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328 | void pause940(int yes) |
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329 | { |
330 | } |
331 | |
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332 | void reset940(int yes, int bank) |
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333 | { |
334 | } |
335 | |
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336 | void gp2x_video_wait_vsync(void) |
337 | { |
338 | } |
339 | |
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340 | void set_gamma(int g100, int A_SNs_curve) |
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341 | { |
342 | } |
343 | |
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344 | void set_lcd_custom_rate(int rate) |
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345 | { |
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346 | } |
347 | |
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348 | void unset_lcd_custom_rate(void) |
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349 | { |
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350 | } |
351 | |
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352 | /* misc */ |
353 | void spend_cycles(int c) |
354 | { |
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355 | usleep(c/200); |
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356 | } |
357 | |
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358 | /* lprintf */ |
359 | void lprintf(const char *fmt, ...) |
360 | { |
361 | va_list vl; |
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362 | |
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363 | va_start(vl, fmt); |
364 | vprintf(fmt, vl); |
365 | va_end(vl); |
366 | } |
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367 | |