82 lines
1.8 KiB
Plaintext
82 lines
1.8 KiB
Plaintext
$OpenBSD: shmpatch-screen_c,v 1.1 2003/11/22 00:56:58 espie Exp $
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--- screen.c.orig 2003-09-08 16:26:41.000000000 +0200
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+++ screen.c 2003-11-17 23:37:54.000000000 +0100
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@@ -71,6 +71,14 @@
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#if (defined(AUX) || defined(_AUX_SOURCE)) && defined(POSIX)
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# include <compat.h>
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#endif
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+
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+#ifdef IPC_EXPORT_IMAGE
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+# include <sys/ipc.h>
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+# include <sys/shm.h>
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+#endif
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+
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+
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+
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#if defined(USE_LOCALE) || defined(ENCODINGS)
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# include <locale.h>
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#endif
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@@ -78,6 +86,11 @@
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# include <langinfo.h>
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#endif
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+#ifdef IPC_EXPORT_IMAGE
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+# include <sys/ipc.h>
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+# include <sys/shm.h>
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+#endif
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+
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#include "screen.h"
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#ifdef HAVE_BRAILLE
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# include "braille.h"
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@@ -234,6 +247,12 @@ struct win *console_window;
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+
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+#ifdef IPC_EXPORT_IMAGE
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+char *shm; /* pointer to shared memory segment */
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+#endif
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+
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+
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/*
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* Do this last
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*/
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@@ -461,6 +480,37 @@ char **av;
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zmodem_recvcmd = SaveStr("!!! rz -vv -b -E");
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#endif
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+#ifdef IPC_EXPORT_IMAGE
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+ {
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+ key_t key = 0xBACD072F; /* random static IPC key */
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+ int shmid;
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+
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+ /* Allocation of shared mem for 18000 bytes (screen text and attributes
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+ * + few coord.). We supose no screen will be wider than 132x66.
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+ * 0x1C0 = [rwx------].
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+ */
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+ shmid = shmget( key, 18000, IPC_CREAT | 0x1C0 );
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+ if( shmid < 0 )
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+ {
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+ Panic( errno, "shmget" );
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+ /* NOTRECHED */
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+ }
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+ shm = shmat( shmid, 0, 0);
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+ if ( shm == (void*)-1 )
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+ {
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+ Panic( errno, "shmat" );
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+ /* NOTRECHED */
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+ }
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+ /* minimal initialisation just to have valid data */
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+ shm[0] = 80; /* scrdim x */
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+ shm[1] = 1; /* scrdim y */
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+ shm[2] = 0; /* csrpos x */
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+ shm[3] = 0; /* csrpos y */
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+ strcpy( shm+4, "screen is initializing..." );
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+ memset( shm+4+strlen(shm+4), ' ', 80);
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+ }
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+#endif
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+
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#ifdef COPY_PASTE
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CompileKeys((char *)0, 0, mark_key_tab);
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#endif
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