os: unifdef __SCO__

nx-X11/programs/Xserver/os/access.c

@@ -80,9 +80,9 @@ SOFTWARE.
 #include <sys/ioctl.h>
 #include <ctype.h>
 
-#if defined(TCPCONN) || defined(__SCO__)
+#if defined(TCPCONN)
 #include <netinet/in.h>
-#endif /* TCPCONN || __SCO__ */
+#endif /* TCPCONN */
 
 #ifdef HAS_GETPEERUCRED
 # include <ucred.h>
@@ -91,10 +91,10 @@ SOFTWARE.
 # endif
 #endif
 
-#if defined(SVR4) ||  (defined(SYSV) && defined(i386)) || defined(__GNU__)
+#if defined(SVR4) ||  (defined(SYSV) && defined(__i386__)) || defined(__GNU__)
 # include <sys/utsname.h>
 #endif
-#if defined(SYSV) &&  defined(i386)
+#if defined(SYSV) &&  defined(__i386__)
 # include <sys/stream.h>
 #endif
 #ifdef __GNU__
@@ -154,10 +154,6 @@ SOFTWARE.
 #endif
 #endif 
 
-#ifdef __SCO__
-/* The system defined value is wrong. MAXPATHLEN is set in sco5.cf. */
-#undef PATH_MAX
-#endif
 
 #define X_INCLUDE_NETDB_H
 #include <nx-X11/Xos_r.h>

nx-X11/programs/Xserver/os/io.c

@@ -358,7 +358,7 @@ ReadRequestFromClient(ClientPtr client)
 	{
 	    if ((result < 0) && ETEST(errno))
 	    {
-#if defined(SVR4) && defined(i386) && !defined(sun)
+#if defined(SVR4) && defined(__i386__) && !defined(sun)
 		if (0)
 #endif
 		{

nx-X11/programs/Xserver/os/osinit.c

@@ -65,9 +65,6 @@ SOFTWARE.
 #endif
 #endif
 
-#if defined(__SCO__)
-#include <sys/wait.h>
-#endif
 
 #if !defined(SYSV) && !defined(WIN32)
 #include <sys/resource.h>
@@ -104,7 +101,7 @@ OsInit(void)
 
 	InitNotifyFds();
 
-#if !defined(__SCO__) && !defined(__CYGWIN__) && !defined(__UNIXWARE__)
+#if !defined(__CYGWIN__) && !defined(__UNIXWARE__)
 	fclose(stdin);
 	fclose(stdout);
 #endif

nx-X11/programs/Xserver/os/utils.c

@@ -2232,52 +2232,3 @@ CheckUserAuthorization(void)
 #endif
 }
 
-#ifdef __SCO__
-#include <fcntl.h>
-
-static void
-lockit (int fd, short what)
-{
-  struct flock lck;
-
-  lck.l_whence = 0;
-  lck.l_start = 0;
-  lck.l_len = 1;
-  lck.l_type = what;
-
-  (void)fcntl (fd, F_SETLKW, &lck);
-}
-
-/* SCO OpenServer 5 lacks pread/pwrite. Emulate them. */
-ssize_t
-pread (int fd, void *buf, size_t nbytes, off_t offset)
-{
-  off_t saved;
-  ssize_t ret;
-
-  lockit (fd, F_RDLCK);
-  saved = lseek (fd, 0, SEEK_CUR);
-  lseek (fd, offset, SEEK_SET);
-  ret = read (fd, buf, nbytes);
-  lseek (fd, saved, SEEK_SET);
-  lockit (fd, F_UNLCK);
-
-  return ret;
-}
-
-ssize_t
-pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
-{
-  off_t saved;
-  ssize_t ret;
-
-  lockit (fd, F_WRLCK);
-  saved = lseek (fd, 0, SEEK_CUR);
-  lseek (fd, offset, SEEK_SET);
-  ret = write (fd, buf, nbytes);
-  lseek (fd, saved, SEEK_SET);
-  lockit (fd, F_UNLCK);
-
-  return ret;
-}
-#endif /* __SCO__ */