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-rw-r--r--builtin/merge-file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/builtin/merge-file.c b/builtin/merge-file.c
index 232b768..04ae36a 100644
--- a/builtin/merge-file.c
+++ b/builtin/merge-file.c
@@ -75,7 +75,8 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
names[i] = argv[i];
if (read_mmfile(mmfs + i, fname))
return -1;
- if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
+ if (mmfs[i].size > MAX_XDIFF_SIZE ||
+ buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
return error("Cannot merge binary files: %s",
argv[i]);
}