diff options
Diffstat (limited to 'Modules/zlibmodule.c')
| -rw-r--r-- | Modules/zlibmodule.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c index ba0e59c..711004e 100644 --- a/Modules/zlibmodule.c +++ b/Modules/zlibmodule.c @@ -43,6 +43,7 @@ typedef struct z_stream zst; PyObject *unused_data; PyObject *unconsumed_tail; + char eof; int is_initialised; #ifdef WITH_THREAD PyThread_type_lock lock; @@ -89,6 +90,7 @@ newcompobject(PyTypeObject *type) self = PyObject_New(compobject, type); if (self == NULL) return NULL; + self->eof = 0; self->is_initialised = 0; self->unused_data = PyBytes_FromStringAndSize("", 0); if (self->unused_data == NULL) { @@ -291,7 +293,7 @@ PyZlib_decompress(PyObject *self, PyObject *args) err = inflateEnd(&zst); if (err != Z_OK) { - zlib_error(zst, err, "while finishing data decompression"); + zlib_error(zst, err, "while finishing decompression"); goto error; } @@ -476,7 +478,7 @@ PyZlib_objcompress(compobject *self, PyObject *args) */ if (err != Z_OK && err != Z_BUF_ERROR) { - zlib_error(self->zst, err, "while compressing"); + zlib_error(self->zst, err, "while compressing data"); Py_DECREF(RetVal); RetVal = NULL; goto error; @@ -611,12 +613,13 @@ PyZlib_objdecompress(compobject *self, PyObject *args) Py_DECREF(RetVal); goto error; } + self->eof = 1; /* We will only get Z_BUF_ERROR if the output buffer was full but there wasn't more output when we tried again, so it is not an error condition. */ } else if (err != Z_OK && err != Z_BUF_ERROR) { - zlib_error(self->zst, err, "while decompressing"); + zlib_error(self->zst, err, "while decompressing data"); Py_DECREF(RetVal); RetVal = NULL; goto error; @@ -697,7 +700,7 @@ PyZlib_flush(compobject *self, PyObject *args) if (err == Z_STREAM_END && flushmode == Z_FINISH) { err = deflateEnd(&(self->zst)); if (err != Z_OK) { - zlib_error(self->zst, err, "from deflateEnd()"); + zlib_error(self->zst, err, "while finishing compression"); Py_DECREF(RetVal); RetVal = NULL; goto error; @@ -765,6 +768,7 @@ PyZlib_copy(compobject *self) Py_XDECREF(retval->unconsumed_tail); retval->unused_data = self->unused_data; retval->unconsumed_tail = self->unconsumed_tail; + retval->eof = self->eof; /* Mark it as being initialized */ retval->is_initialised = 1; @@ -816,6 +820,7 @@ PyZlib_uncopy(compobject *self) Py_XDECREF(retval->unconsumed_tail); retval->unused_data = self->unused_data; retval->unconsumed_tail = self->unconsumed_tail; + retval->eof = self->eof; /* Mark it as being initialized */ retval->is_initialised = 1; @@ -881,14 +886,13 @@ PyZlib_unflush(compobject *self, PyObject *args) Py_END_ALLOW_THREADS } - /* If flushmode is Z_FINISH, we also have to call deflateEnd() to free - various data structures. Note we should only get Z_STREAM_END when - flushmode is Z_FINISH */ + /* If at end of stream, clean up any memory allocated by zlib. */ if (err == Z_STREAM_END) { - err = inflateEnd(&(self->zst)); + self->eof = 1; self->is_initialised = 0; + err = inflateEnd(&(self->zst)); if (err != Z_OK) { - zlib_error(self->zst, err, "from inflateEnd()"); + zlib_error(self->zst, err, "while finishing decompression"); Py_DECREF(retval); retval = NULL; goto error; @@ -936,6 +940,7 @@ static PyMethodDef Decomp_methods[] = static PyMemberDef Decomp_members[] = { {"unused_data", T_OBJECT, COMP_OFF(unused_data), READONLY}, {"unconsumed_tail", T_OBJECT, COMP_OFF(unconsumed_tail), READONLY}, + {"eof", T_BOOL, COMP_OFF(eof), READONLY}, {NULL}, }; |