diff options
Diffstat (limited to 'Lib/gzip.py')
| -rw-r--r-- | Lib/gzip.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Lib/gzip.py b/Lib/gzip.py index 9efeaf0..1c196a8 100644 --- a/Lib/gzip.py +++ b/Lib/gzip.py @@ -17,6 +17,9 @@ READ, WRITE = 1, 2 def write32(output, value): output.write(struct.pack("<l", value)) +def write32u(output, value): + output.write(struct.pack("<L", value)) + def read32(input): return struct.unpack("<l", input.read(4))[0] @@ -83,7 +86,7 @@ class GzipFile: if fname: flags = FNAME self.fileobj.write(chr(flags)) - write32(self.fileobj, int(time.time())) + write32u(self.fileobj, long(time.time())) self.fileobj.write('\002') self.fileobj.write('\377') if fname: @@ -231,7 +234,7 @@ class GzipFile: self.fileobj.seek(-8, 1) crc32 = read32(self.fileobj) isize = read32(self.fileobj) - if crc32 != self.crc: + if crc32%0x100000000L != self.crc%0x100000000L: raise ValueError, "CRC check failed" elif isize != self.size: raise ValueError, "Incorrect length of data produced" |