Small Python snippet to find small functions in Ghidra (to mark as inline)

small_ghidra_functions.py

TARGET_FUNCTION_PREFIXES = [
    'FUN_',      # Default prefix for functions found by Ghidra
    'f_p__',     # CUSTOM_AUTO_FUNC_PREFIX
    'f_p__TS__', # CUSTOM_AUTO_THREAD_FUNC_PREFIX
]

from pprint import pprint


cp = currentProgram
listing = cp.getListing()
functions = [f for f in listing.getFunctions(True)]


def address_count(function):
    return function.getBody().getNumAddresses()


def unit_count(function):
    units = listing.getCodeUnits(function.getBody(), True)
    result = 0
    for _ in units:
        result += 1
    return result


candidates = [
    f for f in functions
    if f.getName().startswith(tuple(TARGET_FUNCTION_PREFIXES))
    if not f.isInline()
    if not f.isThunk()
]


c = [f for f in candidates if unit_count(f) <= 7];pprint(c)