static int do_append( struct chronos_handle * handle, int argc, char** argv ){ int key_parsed = 0; struct index_key key; if( argc > 4 && strncmp("-t", argv[3], 2) == 0 ){ int rc = parse_key( argv[4], strlen( argv[4] ), & key ); if( rc == 0 ){ key_parsed = 1; } else { bad_key(rc, argv[4]); return rc; } } int rc = 0; if( key_parsed ){ rc = chronos_append( handle, & key, 0 ); } else { rc = chronos_append( handle, NULL, 0 ); } if( rc != 0 ){ if( rc == C_PROVIDED_KEY_NOT_LATEST ){ fprintf( stderr, "can't insert keys before the last entry.\n"); } else if ( rc == C_IO_NEEDS_A_PIPE ) { fprintf( stderr, "error reading stdin, it must be a pipe!\n"); } else { perror("chronos_append"); } return rc; } return 0; }
static int do_get( struct chronos_handle * handle, int argc, char** argv ){ struct index_key key; int rc = parse_key( argv[3], strlen( argv[3] ), & key ); if( rc != 0 ){ bad_key(rc, argv[3]); return rc; } struct index_entry entry; rc = chronos_find( handle, & key, & entry ); if( rc != 0 ){ if( rc != C_NOT_FOUND ){ perror("chronos_find"); } return rc; } // output to stdout chronos_output( handle, & entry, 1 ); if( rc != 0 ){ perror("chronos_output"); return rc; } return 0; }
/* * Implement mapping assignment sub-script for the type. */ static int sipArray_ass_subscript(PyObject *self, PyObject *key, PyObject *value) { sipArrayObject *array = (sipArrayObject *)self; SIP_SSIZE_T start, len; void *value_data; if (check_writable(array) < 0) return -1; if (PyIndex_Check(key)) { start = PyNumber_AsSsize_t(key, PyExc_IndexError); if (start == -1 && PyErr_Occurred()) return -1; if (start < 0) start += array->len; if (check_index(array, start) < 0) return -1; if ((value_data = get_value(array, value)) == NULL) return -1; len = 1; } else if (PySlice_Check(key)) { Py_ssize_t stop, step; if (sipConvertFromSliceObject(key, array->len, &start, &stop, &step, &len) < 0) return -1; if (step != 1) { PyErr_SetNone(PyExc_NotImplementedError); return -1; } if ((value_data = get_slice(array, value, len)) == NULL) return -1; } else { bad_key(key); return -1; } memmove(element(array, start), value_data, len * array->stride); return 0; }
/* * Implement mapping sub-script for the type. */ static PyObject *sipVoidPtr_subscript(PyObject *self, PyObject *key) { sipVoidPtrObject *v; if (check_size(self) < 0) return NULL; v = (sipVoidPtrObject *)self; if (PyIndex_Check(key)) { Py_ssize_t idx = PyNumber_AsSsize_t(key, PyExc_IndexError); if (idx == -1 && PyErr_Occurred()) return NULL; if (idx < 0) idx += v->size; return sipVoidPtr_item(self, idx); } if (PySlice_Check(key)) { Py_ssize_t start, stop, step, slicelength; if (sipConvertFromSliceObject(key, v->size, &start, &stop, &step, &slicelength) < 0) return NULL; if (step != 1) { PyErr_SetNone(PyExc_NotImplementedError); return NULL; } return make_voidptr((char *)v->voidptr + start, slicelength, v->rw); } bad_key(key); return NULL; }
/* * Implement mapping sub-script for the type. */ static PyObject *sipArray_subscript(PyObject *self, PyObject *key) { sipArrayObject *array = (sipArrayObject *)self; if (PyIndex_Check(key)) { Py_ssize_t idx = PyNumber_AsSsize_t(key, PyExc_IndexError); if (idx == -1 && PyErr_Occurred()) return NULL; if (idx < 0) idx += array->len; return sipArray_item(self, idx); } if (PySlice_Check(key)) { Py_ssize_t start, stop, step, slicelength; if (sipConvertFromSliceObject(key, array->len, &start, &stop, &step, &slicelength) < 0) return NULL; if (step != 1) { PyErr_SetNone(PyExc_NotImplementedError); return NULL; } return make_array(element(array->data, start), array->td, array->format, array->stride, slicelength, (array->flags & ~SIP_OWNS_MEMORY), array->owner); } bad_key(key); return NULL; }
/* * Implement mapping assignment sub-script for the type. */ static int sipVoidPtr_ass_subscript(PyObject *self, PyObject *key, PyObject *value) { sipVoidPtrObject *v; Py_ssize_t start, size; #if PY_VERSION_HEX >= 0x02060000 Py_buffer value_view; #else Py_ssize_t value_size; void *value_ptr; #endif if (check_rw(self) < 0 || check_size(self) < 0) return -1; v = (sipVoidPtrObject *)self; if (PyIndex_Check(key)) { start = PyNumber_AsSsize_t(key, PyExc_IndexError); if (start == -1 && PyErr_Occurred()) return -1; if (start < 0) start += v->size; if (check_index(self, start) < 0) return -1; size = 1; } else if (PySlice_Check(key)) { Py_ssize_t stop, step; if (sipConvertFromSliceObject(key, v->size, &start, &stop, &step, &size) < 0) return -1; if (step != 1) { PyErr_SetNone(PyExc_NotImplementedError); return -1; } } else { bad_key(key); return -1; } #if PY_VERSION_HEX >= 0x02060000 if (PyObject_GetBuffer(value, &value_view, PyBUF_CONTIG_RO) < 0) return -1; /* We could allow any item size... */ if (value_view.itemsize != 1) { PyErr_Format(PyExc_TypeError, "'%s' must have an item size of 1", Py_TYPE(value_view.obj)->tp_name); PyBuffer_Release(&value_view); return -1; } if (check_slice_size(size, value_view.len) < 0) { PyBuffer_Release(&value_view); return -1; } memmove((char *)v->voidptr + start, value_view.buf, size); PyBuffer_Release(&value_view); #else if ((value_size = get_value_data(value, &value_ptr)) < 0) return -1; if (check_slice_size(size, value_size) < 0) return -1; memmove((char *)v->voidptr + start, value_ptr, size); #endif return 0; }