Patch #734231: Update RiscOS support. In particular, correct
riscospath.extsep, and use os.extsep throughout.
diff --git a/RISCOS/Modules/riscosmodule.c b/RISCOS/Modules/riscosmodule.c
index adcc128..55f189d 100644
--- a/RISCOS/Modules/riscosmodule.c
+++ b/RISCOS/Modules/riscosmodule.c
@@ -6,6 +6,8 @@
 #include "oslib/osfile.h"
 #include "unixstuff.h"
 
+#include <sys/fcntl.h>
+
 #include "Python.h"
 #include "structseq.h"
 
@@ -368,6 +370,184 @@
 	{NULL,		NULL}		 /* Sentinel */
 };
 
+static int
+ins(PyObject *module, char *symbol, long value)
+{
+	return PyModule_AddIntConstant(module, symbol, value);
+}
+
+
+static int
+all_ins(PyObject *d)
+{
+#ifdef F_OK
+        if (ins(d, "F_OK", (long)F_OK)) return -1;
+#endif
+#ifdef R_OK
+        if (ins(d, "R_OK", (long)R_OK)) return -1;
+#endif
+#ifdef W_OK
+        if (ins(d, "W_OK", (long)W_OK)) return -1;
+#endif
+#ifdef X_OK
+        if (ins(d, "X_OK", (long)X_OK)) return -1;
+#endif
+#ifdef NGROUPS_MAX
+        if (ins(d, "NGROUPS_MAX", (long)NGROUPS_MAX)) return -1;
+#endif
+#ifdef TMP_MAX
+        if (ins(d, "TMP_MAX", (long)TMP_MAX)) return -1;
+#endif
+#ifdef WCONTINUED
+        if (ins(d, "WCONTINUED", (long)WCONTINUED)) return -1;
+#endif
+#ifdef WNOHANG
+        if (ins(d, "WNOHANG", (long)WNOHANG)) return -1;
+#endif
+#ifdef WUNTRACED
+        if (ins(d, "WUNTRACED", (long)WUNTRACED)) return -1;
+#endif
+#ifdef O_RDONLY
+        if (ins(d, "O_RDONLY", (long)O_RDONLY)) return -1;
+#endif
+#ifdef O_WRONLY
+        if (ins(d, "O_WRONLY", (long)O_WRONLY)) return -1;
+#endif
+#ifdef O_RDWR
+        if (ins(d, "O_RDWR", (long)O_RDWR)) return -1;
+#endif
+#ifdef O_NDELAY
+        if (ins(d, "O_NDELAY", (long)O_NDELAY)) return -1;
+#endif
+#ifdef O_NONBLOCK
+        if (ins(d, "O_NONBLOCK", (long)O_NONBLOCK)) return -1;
+#endif
+#ifdef O_APPEND
+        if (ins(d, "O_APPEND", (long)O_APPEND)) return -1;
+#endif
+#ifdef O_DSYNC
+        if (ins(d, "O_DSYNC", (long)O_DSYNC)) return -1;
+#endif
+#ifdef O_RSYNC
+        if (ins(d, "O_RSYNC", (long)O_RSYNC)) return -1;
+#endif
+#ifdef O_SYNC
+        if (ins(d, "O_SYNC", (long)O_SYNC)) return -1;
+#endif
+#ifdef O_NOCTTY
+        if (ins(d, "O_NOCTTY", (long)O_NOCTTY)) return -1;
+#endif
+#ifdef O_CREAT
+        if (ins(d, "O_CREAT", (long)O_CREAT)) return -1;
+#endif
+#ifdef O_EXCL
+        if (ins(d, "O_EXCL", (long)O_EXCL)) return -1;
+#endif
+#ifdef O_TRUNC
+        if (ins(d, "O_TRUNC", (long)O_TRUNC)) return -1;
+#endif
+#ifdef O_BINARY
+        if (ins(d, "O_BINARY", (long)O_BINARY)) return -1;
+#endif
+#ifdef O_TEXT
+        if (ins(d, "O_TEXT", (long)O_TEXT)) return -1;
+#endif
+#ifdef O_LARGEFILE
+        if (ins(d, "O_LARGEFILE", (long)O_LARGEFILE)) return -1;
+#endif
+
+/* MS Windows */
+#ifdef O_NOINHERIT
+	/* Don't inherit in child processes. */
+        if (ins(d, "O_NOINHERIT", (long)O_NOINHERIT)) return -1;
+#endif
+#ifdef _O_SHORT_LIVED
+	/* Optimize for short life (keep in memory). */
+	/* MS forgot to define this one with a non-underscore form too. */
+        if (ins(d, "O_SHORT_LIVED", (long)_O_SHORT_LIVED)) return -1;
+#endif
+#ifdef O_TEMPORARY
+	/* Automatically delete when last handle is closed. */
+        if (ins(d, "O_TEMPORARY", (long)O_TEMPORARY)) return -1;
+#endif
+#ifdef O_RANDOM
+	/* Optimize for random access. */
+        if (ins(d, "O_RANDOM", (long)O_RANDOM)) return -1;
+#endif
+#ifdef O_SEQUENTIAL
+	/* Optimize for sequential access. */
+        if (ins(d, "O_SEQUENTIAL", (long)O_SEQUENTIAL)) return -1;
+#endif
+
+/* GNU extensions. */
+#ifdef O_DIRECT
+        /* Direct disk access. */
+        if (ins(d, "O_DIRECT", (long)O_DIRECT)) return -1;
+#endif
+#ifdef O_DIRECTORY
+        /* Must be a directory.	 */
+        if (ins(d, "O_DIRECTORY", (long)O_DIRECTORY)) return -1;
+#endif
+#ifdef O_NOFOLLOW
+        /* Do not follow links.	 */
+        if (ins(d, "O_NOFOLLOW", (long)O_NOFOLLOW)) return -1;
+#endif
+
+	/* These come from sysexits.h */
+#ifdef EX_OK
+	if (ins(d, "EX_OK", (long)EX_OK)) return -1;
+#endif /* EX_OK */
+#ifdef EX_USAGE
+	if (ins(d, "EX_USAGE", (long)EX_USAGE)) return -1;
+#endif /* EX_USAGE */
+#ifdef EX_DATAERR
+	if (ins(d, "EX_DATAERR", (long)EX_DATAERR)) return -1;
+#endif /* EX_DATAERR */
+#ifdef EX_NOINPUT
+	if (ins(d, "EX_NOINPUT", (long)EX_NOINPUT)) return -1;
+#endif /* EX_NOINPUT */
+#ifdef EX_NOUSER
+	if (ins(d, "EX_NOUSER", (long)EX_NOUSER)) return -1;
+#endif /* EX_NOUSER */
+#ifdef EX_NOHOST
+	if (ins(d, "EX_NOHOST", (long)EX_NOHOST)) return -1;
+#endif /* EX_NOHOST */
+#ifdef EX_UNAVAILABLE
+	if (ins(d, "EX_UNAVAILABLE", (long)EX_UNAVAILABLE)) return -1;
+#endif /* EX_UNAVAILABLE */
+#ifdef EX_SOFTWARE
+	if (ins(d, "EX_SOFTWARE", (long)EX_SOFTWARE)) return -1;
+#endif /* EX_SOFTWARE */
+#ifdef EX_OSERR
+	if (ins(d, "EX_OSERR", (long)EX_OSERR)) return -1;
+#endif /* EX_OSERR */
+#ifdef EX_OSFILE
+	if (ins(d, "EX_OSFILE", (long)EX_OSFILE)) return -1;
+#endif /* EX_OSFILE */
+#ifdef EX_CANTCREAT
+	if (ins(d, "EX_CANTCREAT", (long)EX_CANTCREAT)) return -1;
+#endif /* EX_CANTCREAT */
+#ifdef EX_IOERR
+	if (ins(d, "EX_IOERR", (long)EX_IOERR)) return -1;
+#endif /* EX_IOERR */
+#ifdef EX_TEMPFAIL
+	if (ins(d, "EX_TEMPFAIL", (long)EX_TEMPFAIL)) return -1;
+#endif /* EX_TEMPFAIL */
+#ifdef EX_PROTOCOL
+	if (ins(d, "EX_PROTOCOL", (long)EX_PROTOCOL)) return -1;
+#endif /* EX_PROTOCOL */
+#ifdef EX_NOPERM
+	if (ins(d, "EX_NOPERM", (long)EX_NOPERM)) return -1;
+#endif /* EX_NOPERM */
+#ifdef EX_CONFIG
+	if (ins(d, "EX_CONFIG", (long)EX_CONFIG)) return -1;
+#endif /* EX_CONFIG */
+#ifdef EX_NOTFOUND
+	if (ins(d, "EX_NOTFOUND", (long)EX_NOTFOUND)) return -1;
+#endif /* EX_NOTFOUND */
+
+        return 0;
+}
 
 
 void
@@ -376,10 +556,14 @@
 	PyObject *m, *d, *stat_m;
 
 	m = Py_InitModule("riscos", riscos_methods);
+
+	if (all_ins(m))
+		return;
+
 	d = PyModule_GetDict(m);
 
-	/* Initialize riscos.error exception */
-	PyDict_SetItemString(d, "error", PyExc_OSError);
+	Py_INCREF(PyExc_OSError);
+	PyModule_AddObject(m, "error", PyExc_OSError);
 
 	PyStructSequence_InitType(&StatResultType, &stat_result_desc);
 	PyDict_SetItemString(d, "stat_result", (PyObject*) &StatResultType);
diff --git a/RISCOS/Modules/swimodule.c b/RISCOS/Modules/swimodule.c
index ec02ae7..583fc57 100644
--- a/RISCOS/Modules/swimodule.c
+++ b/RISCOS/Modules/swimodule.c
@@ -11,6 +11,9 @@
    * Added swi.ArgError which is generated for errors when the user passes invalid arguments to
        functions etc
    * Added "errnum" attribute to swi.error, so one can now check to see what the error number was
+
+ 1.02  03 March 2002 Dietmar Schwertberger
+   * Added string, integer, integers, tuple and tuples
 */
 
 #include "oslib/os.h"
@@ -412,13 +415,155 @@
   fail:Py_DECREF(result);return 0;
 }
 
+static PyObject *swi_string(PyObject *self, PyObject *arg)
+{ char *s;
+  int l=-1;
+  if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&s, &l)) return NULL;
+  if (l==-1)
+    l = strlen(s);
+  return PyString_FromStringAndSize((char*)s, l);
+}
+
+static char swi_string__doc__[] =
+"string(address[, length]) -> string\n\
+Read a null terminated string from the given address.";
+
+
+static PyObject *swi_integer(PyObject *self, PyObject *arg)
+{ int *i;
+
+  if(!PyArg_ParseTuple(arg,"i",(unsigned int *)&i))
+    return NULL;
+  return PyInt_FromLong(*i);
+}
+
+static char swi_integer__doc__[] =
+"integer(address) -> string\n\
+Read an integer from the given address.";
+
+
+static PyObject *swi_integers(PyObject *self, PyObject *arg)
+{ int *i;
+  int c=-1;
+  PyObject *result, *result1;
+  
+  if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&i, &c)) return NULL;
+  result=PyList_New(0);
+  if (result) {
+    while ( c>0 || (c==-1 && *i) ) {
+      result1 = PyInt_FromLong((long)*i);
+      if (!result1) {
+        Py_DECREF(result);
+        return NULL;
+      }
+      if (PyList_Append(result, result1)!=0) {
+        Py_DECREF(result);
+        Py_DECREF(result1);
+        return NULL;
+      };
+      i++;
+      if (c!=-1)
+        c--;
+    }
+  }
+  return result;
+}
+
+static char swi_integers__doc__[] =
+"integers(address[, count]) -> string\n\
+Either read a null terminated list of integers or\n\
+a list of given length from the given address.";
+
+
+static PyObject *swi_tuples(PyObject *self, PyObject *arg)
+{
+  unsigned char *i;         /* points to current */
+  int c=-1, l=4, j, zero;         /* count, length, index */
+  PyObject *result, *result1, *result11;
+  
+  if(!PyArg_ParseTuple(arg,"i|ii",(unsigned int *)&i, &l, &c)) return NULL;
+  result=PyList_New(0);
+  if (result) {
+    while (c) {
+      result1 = PyTuple_New(l);
+      if (!result1) {
+        Py_DECREF(result);
+        return NULL;
+      }
+      zero = (c==-1); /* check for zeros? */
+      for(j=0;j<l;j++) {
+        if (zero && *i)
+          zero = 0;   /* non-zero found */
+        result11 = PyInt_FromLong((long)(*i));
+        if (!result11) {
+          Py_DECREF(result);
+          return NULL;
+        }
+        PyTuple_SetItem(result1, j, result11);
+        i++;
+      }
+      if (c==-1 && zero) {
+        Py_DECREF(result1);
+        c = 0;
+        break;
+      }
+      if (PyList_Append(result, result1)!=0) {
+        Py_DECREF(result1);
+        Py_DECREF(result);
+        return NULL;
+      }
+      if (c!=-1)
+        c--;
+    }
+  }
+  return result;
+}
+
+static char swi_tuples__doc__[] =
+"tuples(address[, length=4[, count]]) -> string\n\
+Either read a null terminated list of byte tuples or\n\
+a list of given length from the given address.";
+
+
+static PyObject *swi_tuple(PyObject *self, PyObject *arg)
+{
+  unsigned char *i;         /* points to current */
+  int c=1, j;
+  PyObject *result, *result1;
+  
+  if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&i, &c)) return NULL;
+  result = PyTuple_New(c);
+  if (!result)
+    return NULL;
+  for(j=0;j<c;j++) {
+    result1 = PyInt_FromLong((long)(i[j]));
+    if (!result1) {
+      Py_DECREF(result);
+      return NULL;
+    }
+    PyTuple_SetItem(result, j, result1);
+  }
+  return result;
+}
+
+static char swi_tuple__doc__[] =
+"tuple(address[, count=1]]) -> tuple\n\
+Read count bytes from given address.";
+
+
 static PyMethodDef SwiMethods[]=
-{ { "swi",swi_swi,1},
-  { "block",PyBlock_New,1},
-  { "register",PyRegister,1},
-  { NULL,NULL}		 /* Sentinel */
+{ { "swi", swi_swi,1},
+  { "block", PyBlock_New,1},
+  { "register", PyRegister,1},
+  { "string", swi_string,METH_VARARGS, swi_string__doc__},
+  { "integer", swi_integer,METH_VARARGS, swi_integer__doc__},
+  { "integers", swi_integers,METH_VARARGS, swi_integers__doc__},
+  { "tuples", swi_tuples,METH_VARARGS, swi_tuples__doc__},
+  { "tuple", swi_tuple,METH_VARARGS, swi_tuple__doc__},
+  { NULL,NULL,0,NULL}		 /* Sentinel */
 };
 
+
 void initswi()
 { PyObject *m, *d;
   m = Py_InitModule("swi", SwiMethods);