Function parseOptions

src/e9patch/e9patch.cpp:447–709

* Parse options. */

 * Parse options.
 */
void parseOptions(char * const argv[], bool api)
{
    int argc;
    for (argc = 0; argv[argc] != nullptr; argc++)
        ;
    const int req_arg = required_argument, opt_arg = optional_argument,
              no_arg  = no_argument;
    static const struct option long_options[] =
    {
        {"Ocall",              opt_arg, nullptr, OPTION_OCALL},
        {"OCFR",               opt_arg, nullptr, OPTION_OCFR},
        {"OCFR-hacks",         opt_arg, nullptr, OPTION_OCFR_HACKS},
        {"Oepilogue",          req_arg, nullptr, OPTION_OEPILOGUE},
        {"Oepilogue-size",     req_arg, nullptr, OPTION_OEPILOGUE_SIZE},
        {"Oorder",             opt_arg, nullptr, OPTION_OORDER},
        {"Opeephole",          opt_arg, nullptr, OPTION_OPEEPHOLE},
        {"Oprologue",          req_arg, nullptr, OPTION_OPROLOGUE},
        {"Oprologue-size",     req_arg, nullptr, OPTION_OPROLOGUE_SIZE},
        {"Oscratch-stack",     opt_arg, nullptr, OPTION_OSCRATCH_STACK},
        {"batch",              opt_arg, nullptr, OPTION_BATCH},
        {"debug",              opt_arg, nullptr, OPTION_DEBUG},
        {"help",               no_arg,  nullptr, OPTION_HELP},
        {"input",              req_arg, nullptr, OPTION_INPUT},
        {"loader-base",        req_arg, nullptr, OPTION_LOADER_BASE},
        {"loader-phdr",        req_arg, nullptr, OPTION_LOADER_PHDR},
        {"loader-static",      opt_arg, nullptr, OPTION_LOADER_STATIC},
        {"log",                opt_arg, nullptr, OPTION_LOG},
        {"mem-granularity",    req_arg, nullptr, OPTION_MEM_GRANULARITY},
        {"mem-lb",             req_arg, nullptr, OPTION_MEM_LB},
        {"mem-mapping-size",   req_arg, nullptr, OPTION_MEM_MAPPING_SIZE},
        {"mem-multi-page",     opt_arg, nullptr, OPTION_MEM_MULTI_PAGE},
        {"mem-rebase",         req_arg, nullptr, OPTION_MEM_REBASE},
        {"mem-ub",             req_arg, nullptr, OPTION_MEM_UB},
        {"output",             req_arg, nullptr, OPTION_OUTPUT},
        {"tactic-B0",          opt_arg, nullptr, OPTION_TACTIC_B0},
        {"tactic-B1",          opt_arg, nullptr, OPTION_TACTIC_B1},
        {"tactic-B2",          opt_arg, nullptr, OPTION_TACTIC_B2},
        {"tactic-T0",          opt_arg, nullptr, OPTION_TACTIC_T0},
        {"tactic-T1",          opt_arg, nullptr, OPTION_TACTIC_T1},
        {"tactic-T2",          opt_arg, nullptr, OPTION_TACTIC_T2},
        {"tactic-T3",          opt_arg, nullptr, OPTION_TACTIC_T3},
        {"tactic-backward-T3", opt_arg, nullptr, OPTION_TACTIC_BACKWARD_T3},
        {"trap",               req_arg, nullptr, OPTION_TRAP},
        {"trap-all",           opt_arg, nullptr, OPTION_TRAP_ALL},
        {"trap-entry",         opt_arg, nullptr, OPTION_TRAP_ENTRY},
        {"version",            no_arg,  nullptr, OPTION_VERSION},
        {nullptr,              no_arg,  nullptr, 0}
    };

    optind = 1;
    while (true)
    {
        int idx;
        int opt = getopt_long_only(argc, argv, "H::hi:o:", long_options, &idx);
        if (opt < 0)
            break;
        switch (opt)
        {