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Set buffersize based on first argument if unknown from proof obligation. #291

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Set buffersize based on first argument if unknown from proof obligation. #291

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3 changes: 3 additions & 0 deletions chb/cmdline/reportcmds.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1873,6 +1873,9 @@ def is_cmd_delegation(po: 'ProofObligation') -> bool:
fn_arg["type"] = "pointer"
fn_arg["max-length"] = buffersize
fn_arg["size-origin"] = sizeorigin
# Set the buffersize based on the first passthrough argument if unknown from PO.
if not found_fmt_arg and pc_content["buffersize"] == 0:
pc_content["buffersize"] = buffersize

# If we've already found the format string input, treat the remaining arguments
# up to the number of format string specifiers as inputs.
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