53 lines
1.1 KiB
Python
53 lines
1.1 KiB
Python
import sys
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OLD_PATH = b"/usr/lib/sox\x00"
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NEW_PATH = b"/var/tmp/sox\x00"
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OUT_PATH = "/var/tmp/sox\n"
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OLD64_PATH = b"/usr/lib64/sox\x00"
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NEW64_PATH = b"/var/tmp/l/sox\x00"
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OUT64_PATH = "/var/tmp/l/sox\n"
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assert len(OLD_PATH) == len(NEW_PATH)
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assert len(OLD64_PATH) == len(NEW64_PATH)
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argv = sys.argv
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wout = sys.stdout.write
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werr = sys.stderr.write
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bye = sys.exit
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def p(m, *args):
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werr(m % args)
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def usage():
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p("Usage: %s <path to libsox>\n", argv[0])
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def error(et):
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def ef():
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p("%s: %r cannot be binary patched [%s]\n", argv[0], argv[1], et)
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return ef
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def check(c, p):
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if not c:
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p()
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bye(1)
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check(len(argv) == 2, usage)
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s = b""
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o = ""
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with open(argv[1], 'rb') as f:
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s = f.read()
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if s.count(OLD_PATH) == 1:
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check(s.count(OLD64_PATH) == 0, error("OLD64_PATH"))
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s = s.replace(OLD_PATH, NEW_PATH)
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o = OUT_PATH
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elif s.count(OLD64_PATH) == 1:
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check(s.count(OLD_PATH) == 0, error("OLD_PATH"))
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s = s.replace(OLD64_PATH, NEW64_PATH)
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o = OUT64_PATH
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else:
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check(False, error("OLD_PATH/OLD64_PATH"))
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with open(argv[1], 'wb') as f:
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f.write(s)
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wout(o)
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