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-rw-r--r--builtin/pack-objects.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 3756cf3..d5a8db1 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -431,7 +431,7 @@ static int write_one(struct sha1file *f,
written_list[nr_written++] = &e->idx;
/* make sure off_t is sufficiently large not to wrap */
- if (*offset > *offset + size)
+ if (signed_add_overflows(*offset, size))
die("pack too large for current definition of off_t");
*offset += size;
return 1;