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scripts: search for next position of magic bytes rather than fail

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document seek method for next position of magic bytes
This commit is contained in:
Tim Akinbo 2019-09-04 07:07:14 +00:00
parent 6e431296da
commit 3284e6c09a
1 changed files with 5 additions and 2 deletions
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7
contrib/linearize/linearize-data.py
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@ -213,8 +213,11 @@ class BlockDataCopier:
inMagic = inhdr[:4] inMagic = inhdr[:4]
if (inMagic != self.settings['netmagic']): if (inMagic != self.settings['netmagic']):
print("Invalid magic: " + inMagic.hex()) # Seek backwards 7 bytes (skipping the first byte in the previous search)
return # and continue searching from the new position if the magic bytes are not
# found.
self.inF.seek(-7, os.SEEK_CUR)
continue
inLenLE = inhdr[4:] inLenLE = inhdr[4:]
su = struct.unpack("<I", inLenLE) su = struct.unpack("<I", inLenLE)
inLen = su[0] - 80 # length without header inLen = su[0] - 80 # length without header