From: Mark Wooding <mdw@distorted.org.uk>
Date: Fri, 3 Jun 2016 20:27:36 +0000 (+0100)
Subject: bytestring.c: Use `Py_ssize_t' for collecting buffer lengths.
X-Git-Tag: 1.1.1~1
X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb-python/commitdiff_plain/87d705a84eddb339613261871603b272329fe979

bytestring.c: Use `Py_ssize_t' for collecting buffer lengths.

On 64-bit platforms, this is a 64-bit long, so if we pass an int to
`PyObject_AsReadBuffer', it will clobber the next word too.
---

diff --git a/bytestring.c b/bytestring.c
index 99c114c..b3b32de 100644
--- a/bytestring.c
+++ b/bytestring.c
@@ -66,7 +66,7 @@ static PyObject *bytestring_pynew(PyTypeObject *ty,
     const void *xv, *yv;						\
     const unsigned char *xp, *yp;					\
     unsigned char *zp;							\
-    int xsz, ysz;							\
+    Py_ssize_t xsz, ysz;						\
     int i;								\
     PyObject *rc = 0;							\
     if (PyObject_AsReadBuffer(x, &xv, &xsz) ||				\
@@ -88,7 +88,7 @@ BINOP(xor, ^)
     const void *xv;							\
     const unsigned char *xp;						\
     unsigned char *zp;							\
-    int xsz;								\
+    Py_ssize_t xsz;							\
     int i;								\
     PyObject *rc = 0;							\
     if (PyObject_AsReadBuffer(x, &xv, &xsz)) goto end;			\