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/* RISCOS module implementation */
#include "oslib/osfscontrol.h"
#include "oslib/osgbpb.h"
#include "oslib/os.h"
#include "oslib/osfile.h"
#include "unixstuff.h"
#include <sys/fcntl.h>
#include "Python.h"
#include "structseq.h"
#include <errno.h>
static os_error *e;
/*static PyObject *RiscosError;*/ /* Exception riscos.error */
static PyObject *riscos_error(char *s)
{
PyErr_SetString(PyExc_OSError, s);
return NULL;
}
static PyObject *riscos_oserror(void)
{
return riscos_error(e->errmess);
}
/* RISCOS file commands */
static PyObject *riscos_remove(PyObject *self,PyObject *args)
{ char *path1;
if (!PyArg_Parse(args, "s", &path1)) return NULL;
if (remove(path1)) return PyErr_SetFromErrno(PyExc_OSError);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_rename(PyObject *self,PyObject *args)
{ char *path1, *path2;
if (!PyArg_Parse(args, "(ss)", &path1, &path2)) return NULL;
if (rename(path1,path2)) return PyErr_SetFromErrno(PyExc_OSError);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_system(PyObject *self,PyObject *args)
{ char *command;
if (!PyArg_Parse(args, "s", &command)) return NULL;
return PyInt_FromLong(system(command));
}
static PyObject *riscos_chdir(PyObject *self,PyObject *args)
{ char *path;
if (!PyArg_Parse(args, "s", &path)) return NULL;
e=xosfscontrol_dir(path);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *canon(char *path)
{ int len;
PyObject *obj;
char *buf;
e=xosfscontrol_canonicalise_path(path,0,0,0,0,&len);
if(e) return riscos_oserror();
obj=PyString_FromStringAndSize(NULL,-len);
if(obj==NULL) return NULL;
buf=PyString_AsString(obj);
e=xosfscontrol_canonicalise_path(path,buf,0,0,1-len,&len);
if(len!=1) return riscos_error("Error expanding path");
if(!e) return obj;
Py_DECREF(obj);
return riscos_oserror();
}
static PyObject *riscos_getcwd(PyObject *self,PyObject *args)
{ if(!PyArg_NoArgs(args)) return NULL;
return canon("@");
}
static PyObject *riscos_expand(PyObject *self,PyObject *args)
{ char *path;
if (!PyArg_Parse(args, "s", &path)) return NULL;
return canon(path);
}
static PyObject *riscos_mkdir(PyObject *self,PyObject *args)
{ char *path;
int mode;
if (!PyArg_ParseTuple(args, "s|i", &path, &mode)) return NULL;
e=xosfile_create_dir(path,0);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_listdir(PyObject *self,PyObject *args)
{ char *path,buf[256];
PyObject *d, *v;
int c=0,count;
if (!PyArg_Parse(args, "s", &path)) return NULL;
d=PyList_New(0);
if(!d) return NULL;
for(;;)
{ e=xosgbpb_dir_entries(path,(osgbpb_string_list*)buf,
1,c,256,0,&count,&c);
if(e)
{ Py_DECREF(d);return riscos_oserror();
}
if(count)
{ v=PyString_FromString(buf);
if(!v) { Py_DECREF(d);return 0;}
if(PyList_Append(d,v)) {Py_DECREF(d);Py_DECREF(v);return 0;}
}
if(c==-1) break;
}
return d;
}
PyDoc_STRVAR(stat_result__doc__,
"stat_result: Result from stat or lstat.\n\n\
This object may be accessed either as a tuple of\n\
(mode,ino,dev,nlink,uid,gid,size,atime,mtime,ctime)\n\
or via the attributes st_mode, st_ino, st_dev, st_nlink, st_uid, and so on.\n\
\n\
RiscOS: The fields st_ftype, st_attrs, and st_obtype are also available.\n\
\n\
See os.stat for more information.");
static PyStructSequence_Field stat_result_fields[] = {
{ "st_mode", "protection bits" },
{ "st_ino", "inode" },
{ "st_dev", "device" },
{ "st_nlink", "number of hard links" },
{ "st_uid", "user ID of owner" },
{ "st_gid", "group ID of owner" },
{ "st_size", "total size, in bytes" },
{ "st_atime", "time of last access" },
{ "st_mtime", "time of last modification" },
{ "st_ctime", "time of last change" },
{ "st_ftype", "file type" },
{ "st_attrs", "attributes" },
{ "st_obtype", "object type" },
{ 0 }
};
static PyStructSequence_Desc stat_result_desc = {
"riscos.stat_result",
stat_result__doc__,
stat_result_fields,
13
};
static PyTypeObject StatResultType;
static PyObject *riscos_stat(PyObject *self,PyObject *args)
{
PyObject *v;
char *path;
int ob,len;
bits t=0;
bits ld,ex,at,ft,mode;
if (!PyArg_Parse(args, "s", &path)) return NULL;
e=xosfile_read_stamped_no_path(path,&ob,&ld,&ex,&len,&at,&ft);
if(e) return riscos_oserror();
switch (ob)
{ case osfile_IS_FILE:mode=0100000;break; /* OCTAL */
case osfile_IS_DIR:mode=040000;break;
case osfile_IS_IMAGE:mode=0140000;break;
default:return riscos_error("Not found");
}
if(ft!=-1) t=unixtime(ld,ex);
mode|=(at&7)<<6;
mode|=((at&112)*9)>>4;
v = PyStructSequence_New(&StatResultType);
PyStructSequence_SET_ITEM(v, 0,
PyInt_FromLong((long) mode)); /*st_mode*/
PyStructSequence_SET_ITEM(v, 1, PyInt_FromLong((long) 0)); /*st_ino*/
PyStructSequence_SET_ITEM(v, 2, PyInt_FromLong((long) 0)); /*st_dev*/
PyStructSequence_SET_ITEM(v, 3, PyInt_FromLong((long) 0)); /*st_nlink*/
PyStructSequence_SET_ITEM(v, 4, PyInt_FromLong((long) 0)); /*st_uid*/
PyStructSequence_SET_ITEM(v, 5, PyInt_FromLong((long) 0)); /*st_gid*/
PyStructSequence_SET_ITEM(v, 6,
PyInt_FromLong((long) len)); /*st_size*/
PyStructSequence_SET_ITEM(v, 7, PyInt_FromLong((long) t)); /*st_atime*/
PyStructSequence_SET_ITEM(v, 8, PyInt_FromLong((long) t)); /*st_mtime*/
PyStructSequence_SET_ITEM(v, 9, PyInt_FromLong((long) t)); /*st_ctime*/
PyStructSequence_SET_ITEM(v, 10,
PyInt_FromLong((long) ft)); /*file type*/
PyStructSequence_SET_ITEM(v, 11,
PyInt_FromLong((long) at)); /*attributes*/
PyStructSequence_SET_ITEM(v, 12,
PyInt_FromLong((long) ob)); /*object type*/
if (PyErr_Occurred()) {
Py_DECREF(v);
return NULL;
}
return v;
}
static PyObject *riscos_chmod(PyObject *self,PyObject *args)
{ char *path;
bits mode;
bits attr;
attr=(mode&0x700)>>8;
attr|=(mode&7)<<4;
if (!PyArg_Parse(args, "(si)", &path,(int*)&mode)) return NULL;
e=xosfile_write_attr(path,attr);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_utime(PyObject *self,PyObject *args)
{
char *path;
long atime, mtime;
PyObject* arg;
if (!PyArg_ParseTuple(args, "sO:utime", &path, &arg))
return NULL;
if (arg == Py_None) {
/* optional time values not given */
Py_BEGIN_ALLOW_THREADS
e=xosfile_stamp(path);
Py_END_ALLOW_THREADS
if(e) return riscos_oserror();
}
else if (!PyArg_Parse(arg, "(ll)", &atime, &mtime)) {
PyErr_SetString(PyExc_TypeError,
"utime() arg 2 must be a tuple (atime, mtime)");
return NULL;
}
else {
/* catalogue info*/
fileswitch_object_type obj_type;
bits load_addr, exec_addr;
int size;
fileswitch_attr attr;
/* read old catalogue info */
Py_BEGIN_ALLOW_THREADS
e=xosfile_read_no_path(path, &obj_type, &load_addr, &exec_addr, &size, &attr);
Py_END_ALLOW_THREADS
if(e) return riscos_oserror();
/* check if load and exec address really contain filetype and date */
if ( (load_addr & 0xFFF00000U) != 0xFFF00000U)
return riscos_error("can't set date for object with load and exec addresses");
/* convert argument mtime to RISC OS load and exec address */
if(acorntime(&exec_addr, &load_addr, (time_t) mtime))
return riscos_oserror();
/* write new load and exec address */
Py_BEGIN_ALLOW_THREADS
e = xosfile_write(path, load_addr, exec_addr, attr);
Py_END_ALLOW_THREADS
if(e) return riscos_oserror();
}
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_settype(PyObject *self,PyObject *args)
{ char *path,*name;
int type;
if (!PyArg_Parse(args, "(si)", &path,&type))
{ PyErr_Clear();
if (!PyArg_Parse(args, "(ss)", &path,&name)) return NULL;
e=xosfscontrol_file_type_from_string(name,(bits*)&type);
if(e) return riscos_oserror();
}
e=xosfile_set_type(path,type);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_getenv(PyObject *self,PyObject *args)
{ char *name,*value;
if(!PyArg_Parse(args,"s",&name)) return NULL;
value=getenv(name);
if(value) return PyString_FromString(value);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_putenv(PyObject *self,PyObject *args)
{ char *name,*value;
int len;
os_var_type type=os_VARTYPE_LITERAL_STRING;
if(!PyArg_ParseTuple(args,"ss|i",&name,&value,&type)) return NULL;
if(type!=os_VARTYPE_STRING&&type!=os_VARTYPE_MACRO&&type!=os_VARTYPE_EXPANDED
&&type!=os_VARTYPE_LITERAL_STRING)
return riscos_error("Bad putenv type");
len=strlen(value);
if(type!=os_VARTYPE_LITERAL_STRING) len++;
/* Other types need null terminator! */
e=xos_set_var_val(name,(byte*)value,len,0,type,0,0);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_delenv(PyObject *self,PyObject *args)
{ char *name;
if(!PyArg_Parse(args,"s",&name)) return NULL;
e=xos_set_var_val(name,NULL,-1,0,0,0,0);
if(e) return riscos_oserror();
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *riscos_getenvdict(PyObject *self,PyObject *args)
{ PyObject *dict;
char value[257];
char *which="*";
int size;
char *context=NULL;
if(!PyArg_ParseTuple(args,"|s",&which)) return NULL;
dict = PyDict_New();
if (!dict) return NULL;
/* XXX This part ignores errors */
while(!xos_read_var_val(which,value,sizeof(value)-1,(int)context,
os_VARTYPE_EXPANDED,&size,(int *)&context,0))
{ PyObject *v;
value[size]='\0';
v = PyString_FromString(value);
if (v == NULL) continue;
PyDict_SetItemString(dict, context, v);
Py_DECREF(v);
}
return dict;
}
static PyMethodDef riscos_methods[] = {
{"unlink", riscos_remove},
{"remove", riscos_remove},
{"rename", riscos_rename},
{"system", riscos_system},
{"rmdir", riscos_remove},
{"chdir", riscos_chdir},
{"getcwd", riscos_getcwd},
{"expand", riscos_expand},
{"mkdir", riscos_mkdir,1},
{"listdir", riscos_listdir},
{"stat", riscos_stat},
{"lstat", riscos_stat},
{"chmod", riscos_chmod},
{"utime", riscos_utime},
{"settype", riscos_settype},
{"getenv", riscos_getenv},
{"putenv", riscos_putenv},
{"delenv", riscos_delenv},
{"getenvdict", riscos_getenvdict,1},
{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
initriscos()
{
PyObject *m, *d, *stat_m;
m = Py_InitModule("riscos", riscos_methods);
if (all_ins(m))
return;
d = PyModule_GetDict(m);
Py_INCREF(PyExc_OSError);
PyModule_AddObject(m, "error", PyExc_OSError);
PyStructSequence_InitType(&StatResultType, &stat_result_desc);
PyDict_SetItemString(d, "stat_result", (PyObject*) &StatResultType);
}
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