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Updated i16 and i32 to be in sync with _binary

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This commit is contained in:
Andrew Murray 2015-05-28 23:11:51 +10:00
parent cfedc8093c
commit a662a94316
1 changed files with 6 additions and 9 deletions
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15
PIL/OleFileIO.py
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@ -477,23 +477,20 @@ def i16(c, o = 0):
""" """
Converts a 2-bytes (16 bits) string to an integer. Converts a 2-bytes (16 bits) string to an integer.
:param c: string containing bytes to convert c: string containing bytes to convert
:param o: offset of bytes to convert in string o: offset of bytes to convert in string
""" """
return i8(c[o]) | (i8(c[o+1])<<8) return struct.unpack("<H", c[o:o+2])[0]
def i32(c, o = 0): def i32(c, o = 0):
""" """
Converts a 4-bytes (32 bits) string to an integer. Converts a 4-bytes (32 bits) string to an integer.
:param c: string containing bytes to convert c: string containing bytes to convert
:param o: offset of bytes to convert in string o: offset of bytes to convert in string
""" """
## return int(ord(c[o])+(ord(c[o+1])<<8)+(ord(c[o+2])<<16)+(ord(c[o+3])<<24)) return struct.unpack("<I", c[o:o+4])[0]
## # [PL]: added int() because "<<" gives long int since Python 2.4
# copied from Pillow's _binary:
return i8(c[o]) | (i8(c[o+1])<<8) | (i8(c[o+2])<<16) | (i8(c[o+3])<<24)
def _clsid(clsid): def _clsid(clsid):