From: Rob Browning <rlb@defaultvalue.org>
Date: Sun, 22 Nov 2020 18:27:27 +0000 (-0600)
Subject: write_idx: make the 64-bit offset count uint32_t not int
X-Git-Tag: 0.32~29
X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eaaa76ded31665d05be2cd950554569dc9d3ec00;hp=5d153a347a2732fc117c655f842f019c5e52877c;p=bup.git

write_idx: make the 64-bit offset count uint32_t not int

It's a 31-bit offset into the 64-bit object offsets table.

https://github.com/git/git/blob/master/Documentation/technical/pack-format.txt

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>
---

diff --git a/lib/bup/_helpers.c b/lib/bup/_helpers.c
index cf31d0a..f47de73 100644
--- a/lib/bup/_helpers.c
+++ b/lib/bup/_helpers.c
@@ -1087,7 +1087,7 @@ static PyObject *write_idx(PyObject *self, PyObject *args)
     PyObject *part;
     unsigned int total = 0;
     uint32_t count;
-    int i, ofs64_count;
+    int i;
     uint32_t *fan_ptr, *crc_ptr, *ofs_ptr;
     uint64_t *ofs64_ptr;
     struct sha *sha_ptr;
@@ -1119,7 +1119,7 @@ static PyObject *write_idx(PyObject *self, PyObject *args)
     ofs64_ptr = (uint64_t *)&ofs_ptr[total];
 
     count = 0;
-    ofs64_count = 0;
+    uint32_t ofs64_count = 0;
     for (i = 0; i < FAN_ENTRIES; ++i)
     {
 	part = PyList_GET_ITEM(idx, i);