mirror of https://github.com/python/cpython
284 lines
7.5 KiB
C
284 lines
7.5 KiB
C
/* RISCOS module implementation */
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#include "h.osfscontrol"
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#include "h.osgbpb"
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#include "h.os"
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#include "h.osfile"
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#include "Python.h"
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#include <errno.h>
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static os_error *e;
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static PyObject *RiscosError; /* Exception riscos.error */
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static PyObject *riscos_oserror(void)
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{ PyErr_SetString(RiscosError,e->errmess);
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return 0;
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}
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static PyObject *riscos_error(char *s) { PyErr_SetString(RiscosError,s);return 0;}
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/* RISCOS file commands */
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static PyObject *riscos_remove(PyObject *self,PyObject *args)
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{ char *path1;
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if (!PyArg_Parse(args, "s", &path1)) return NULL;
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if (remove(path1)) return PyErr_SetFromErrno(RiscosError);
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_rename(PyObject *self,PyObject *args)
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{ char *path1, *path2;
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if (!PyArg_Parse(args, "(ss)", &path1, &path2)) return NULL;
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if (rename(path1,path2)) return PyErr_SetFromErrno(RiscosError);;
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_system(PyObject *self,PyObject *args)
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{ char *command;
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if (!PyArg_Parse(args, "s", &command)) return NULL;
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return PyInt_FromLong(system(command));
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}
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static PyObject *riscos_chdir(PyObject *self,PyObject *args)
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{ char *path;
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if (!PyArg_Parse(args, "s", &path)) return NULL;
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e=xosfscontrol_dir(path);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *canon(char *path)
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{ int len;
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PyObject *obj;
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char *buf;
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e=xosfscontrol_canonicalise_path(path,0,0,0,0,&len);
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if(e) return riscos_oserror();
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obj=PyString_FromStringAndSize(NULL,-len);
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if(obj==NULL) return NULL;
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buf=PyString_AsString(obj);
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e=xosfscontrol_canonicalise_path(path,buf,0,0,1-len,&len);
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if(len!=1) return riscos_error("Error expanding path");
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if(!e) return obj;
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Py_DECREF(obj);
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return riscos_oserror();
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}
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static PyObject *riscos_getcwd(PyObject *self,PyObject *args)
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{ if(!PyArg_NoArgs(args)) return NULL;
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return canon("@");
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}
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static PyObject *riscos_expand(PyObject *self,PyObject *args)
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{ char *path;
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if (!PyArg_Parse(args, "s", &path)) return NULL;
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return canon(path);
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}
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static PyObject *riscos_mkdir(PyObject *self,PyObject *args)
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{ char *path;
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int mode;
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if (!PyArg_ParseTuple(args, "s|i", &path, &mode)) return NULL;
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e=xosfile_create_dir(path,0);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_listdir(PyObject *self,PyObject *args)
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{ char *path,buf[256];
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PyObject *d, *v;
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int c=0,count;
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if (!PyArg_Parse(args, "s", &path)) return NULL;
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d=PyList_New(0);
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if(!d) return NULL;
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for(;;)
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{ e=xosgbpb_dir_entries(path,(osgbpb_string_list*)buf,
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1,c,256,0,&count,&c);
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if(e)
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{ Py_DECREF(d);return riscos_oserror();
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}
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if(count)
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{ v=PyString_FromString(buf);
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if(!v) { Py_DECREF(d);return 0;}
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if(PyList_Append(d,v)) {Py_DECREF(d);Py_DECREF(v);return 0;}
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}
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if(c==-1) break;
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}
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return d;
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}
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static PyObject *riscos_stat(PyObject *self,PyObject *args)
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{ char *path;
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int ob,len;
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bits t=0;
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bits ld,ex,at,ft,mode;
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if (!PyArg_Parse(args, "s", &path)) return NULL;
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e=xosfile_read_stamped_no_path(path,&ob,&ld,&ex,&len,&at,&ft);
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if(e) return riscos_oserror();
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switch (ob)
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{ case osfile_IS_FILE:mode=0100000;break; /* OCTAL */
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case osfile_IS_DIR:mode=040000;break;
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case osfile_IS_IMAGE:mode=0140000;break;
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default:return riscos_error("Not found");
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}
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if(ft!=-1) t=unixtime(ld,ex);
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mode|=(at&7)<<6;
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mode|=((at&112)*9)>>4;
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return Py_BuildValue("(lllllllllllll)",
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(long)mode,/*st_mode*/
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0,/*st_ino*/
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0,/*st_dev*/
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0,/*st_nlink*/
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0,/*st_uid*/
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0,/*st_gid*/
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(long)len,/*st_size*/
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(long)t,/*st_atime*/
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(long)t,/*st_mtime*/
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(long)t,/*st_ctime*/
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(long)ft,/*file type*/
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(long)at,/*attributes*/
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(long)ob/*object type*/
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);
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}
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static PyObject *riscos_chmod(PyObject *self,PyObject *args)
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{ char *path;
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bits mode;
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bits attr;
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attr=(mode&0x700)>>8;
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attr|=(mode&7)<<4;
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if (!PyArg_Parse(args, "(si)", &path,(int*)&mode)) return NULL;
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e=xosfile_write_attr(path,attr);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_utime(PyObject *self,PyObject *args)
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{ char *path;
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int x,y;
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if (!PyArg_Parse(args, "(s(ii))", &path,&x,&y)) return NULL;
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e=xosfile_stamp(path);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_settype(PyObject *self,PyObject *args)
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{ char *path,*name;
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int type;
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if (!PyArg_Parse(args, "(si)", &path,&type))
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{ PyErr_Clear();
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if (!PyArg_Parse(args, "(ss)", &path,&name)) return NULL;
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e=xosfscontrol_file_type_from_string(name,(bits*)&type);
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if(e) return riscos_oserror();
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}
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e=xosfile_set_type(path,type);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_getenv(PyObject *self,PyObject *args)
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{ char *name,*value;
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if(!PyArg_Parse(args,"s",&name)) return NULL;
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value=getenv(name);
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if(value) return PyString_FromString(value);
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_putenv(PyObject *self,PyObject *args)
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{ char *name,*value;
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int len;
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os_var_type type=os_VARTYPE_LITERAL_STRING;
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if(!PyArg_ParseTuple(args,"ss|i",&name,&value,&type)) return NULL;
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if(type!=os_VARTYPE_STRING&&type!=os_VARTYPE_MACRO&&type!=os_VARTYPE_EXPANDED
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&&type!=os_VARTYPE_LITERAL_STRING)
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return riscos_error("Bad putenv type");
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len=strlen(value);
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if(type!=os_VARTYPE_LITERAL_STRING) len++;
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/* Other types need null terminator! */
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e=xos_set_var_val(name,(byte*)value,len,0,type,0,0);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_delenv(PyObject *self,PyObject *args)
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{ char *name;
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if(!PyArg_Parse(args,"s",&name)) return NULL;
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e=xos_set_var_val(name,NULL,-1,0,0,0,0);
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if(e) return riscos_oserror();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *riscos_getenvdict(PyObject *self,PyObject *args)
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{ PyObject *dict;
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char value[257];
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char *which="*";
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int size;
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char *context=NULL;
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if(!PyArg_ParseTuple(args,"|s",&which)) return NULL;
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dict = PyDict_New();
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if (!dict) return NULL;
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/* XXX This part ignores errors */
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while(!xos_read_var_val(which,value,sizeof(value)-1,(int)context,
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os_VARTYPE_EXPANDED,&size,(int *)&context,0))
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{ PyObject *v;
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value[size]='\0';
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v = PyString_FromString(value);
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if (v == NULL) continue;
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PyDict_SetItemString(dict, context, v);
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Py_DECREF(v);
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}
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return dict;
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}
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static PyMethodDef riscos_methods[] = {
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{"unlink", riscos_remove},
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{"remove", riscos_remove},
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{"rename", riscos_rename},
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{"system", riscos_system},
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{"rmdir", riscos_remove},
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{"chdir", riscos_chdir},
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{"getcwd", riscos_getcwd},
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{"expand", riscos_expand},
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{"mkdir", riscos_mkdir,1},
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{"listdir", riscos_listdir},
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{"stat", riscos_stat},
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{"lstat", riscos_stat},
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{"chmod", riscos_chmod},
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{"utime", riscos_utime},
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{"settype", riscos_settype},
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{"getenv", riscos_getenv},
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{"putenv", riscos_putenv},
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{"delenv", riscos_delenv},
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{"getenvdict", riscos_getenvdict,1},
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{NULL, NULL} /* Sentinel */
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};
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void
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initriscos()
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{
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PyObject *m, *d;
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m = Py_InitModule("riscos", riscos_methods);
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d = PyModule_GetDict(m);
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/* Initialize riscos.error exception */
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RiscosError = PyString_FromString("riscos.error");
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if (RiscosError == NULL || PyDict_SetItemString(d, "error", RiscosError) != 0)
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Py_FatalError("can't define riscos.error");
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}
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