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maint: script diagnostics status cleanup
[debian/gzip]
/
unpack.c
diff --git
a/unpack.c
b/unpack.c
index c1a3684192aa2a2f68fb0309a9bf195fcbbe3f24..04ab70535e32f22eee9d2183b0148c917f723d1c 100644
(file)
--- a/
unpack.c
+++ b/
unpack.c
@@
-186,6
+186,9
@@
local void build_tree()
/* Restore nodes to be parents+leaves: */
nodes += leaves[len];
}
/* Restore nodes to be parents+leaves: */
nodes += leaves[len];
}
+ if ((nodes >> 1) != 1)
+ gzip_error ("too few leaves in Huffman tree");
+
/* Construct the prefix table, from shortest leaves to longest ones.
* The shortest code is all ones, so we start at the end of the table.
*/
/* Construct the prefix table, from shortest leaves to longest ones.
* The shortest code is all ones, so we start at the end of the table.
*/
@@
-250,10
+253,8
@@
int unpack(in, out)
}
}
/* At this point, peek is the next complete code, of len bits */
}
}
/* At this point, peek is the next complete code, of len bits */
- if (peek == eob)
+ if (peek == eob
&& len == max_len
)
break; /* End of file. */
break; /* End of file. */
- if (eob < peek)
- gzip_error ("invalid compressed data--code out of range");
put_ubyte(literal[peek+lit_base[len]]);
Tracev((stderr,"%02d %04x %c\n", len, peek,
literal[peek+lit_base[len]]));
put_ubyte(literal[peek+lit_base[len]]);
Tracev((stderr,"%02d %04x %c\n", len, peek,
literal[peek+lit_base[len]]));