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-rw-r--r--Modules/binascii.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/binascii.c b/Modules/binascii.c
index 51101b4..833283f 100644
--- a/Modules/binascii.c
+++ b/Modules/binascii.c
@@ -294,7 +294,7 @@ binascii_b2a_uu(PyObject *self, PyObject *args)
}
/* We're lazy and allocate to much (fixed up later) */
- if ( (rv=PyBytes_FromStringAndSize(NULL, bin_len*2+2)) == NULL ) {
+ if ( (rv=PyBytes_FromStringAndSize(NULL, 2 + (bin_len+2)/3*4)) == NULL ) {
PyBuffer_Release(&pbin);
return NULL;
}