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tools/hexnet: replace exit codes with macros to improve readability

BodgeMaster-unfinished
BodgeMaster 2022-07-13 06:05:27 +02:00
parent 6a5096dfa3
commit 310011a6da
1 changed files with 16 additions and 11 deletions
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27
src/tools/hexnet.cpp
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@ -20,6 +20,11 @@
#define usage std::cerr << "Usage: " << argv[0] << " [-4|-6] [-t|-u] <<host> <port> | -l <port>>" << std::endl << "<port> may be hexadecimal (prefixed with 0x) or binary (prefixed with 0b)." << std::endl
#define EXIT_SUCCESS 0
#define EXIT_RUNTIME 1
#define EXIT_USAGE 2
#define EXIT_UNIMPLEMENTED 3
int main(int argc, char* argv[]){
// Argument parsing ################################################
@ -31,7 +36,7 @@ int main(int argc, char* argv[]){
uint16_t port;
if (argc<2) {
usage;
return 1;
return EXIT_USAGE;
}
for (int i=1; i<argc; i++) {
std::string argument(argv[i]);
@ -61,16 +66,16 @@ int main(int argc, char* argv[]){
}
if (argument=="-h") {
usage;
return 0;
return EXIT_SUCCESS;
}
if (argument=="--help") {
usage;
return 0;
return EXIT_SUCCESS;
}
if (!server && i==argc-2) {
//TODO: check if valid host
std::cerr << "Host argument parsing is not yet implemented." << std::endl;
return 3;
return EXIT_UNIMPLEMENTED;
}
if (i==argc-1) {
if (argument.substr(0, 2)=="0b" || argument.substr(0, 2)=="0B") {
@ -81,13 +86,13 @@ int main(int argc, char* argv[]){
} else {
std::cerr << argument << " is not a valid port." << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
}
if (argument.length()>18) {
std::cerr << argument << " is too big for a valid port." << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
port = (uint16_t) std::stoul(argument.substr(2, argument.length()), nullptr, 2);
} else if (argument.substr(0, 2)=="0x" || argument.substr(0, 2)=="0X") {
@ -96,13 +101,13 @@ int main(int argc, char* argv[]){
if (std::isxdigit(digit)==0) {
std::cerr << argument << " is not a valid port." << digit << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
}
if (argument.length()>6) {
std::cerr << argument << " is too big for a valid port." << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
port = (uint16_t) std::stoul(argument.substr(2, argument.length()), nullptr, 16);
} else {
@ -111,7 +116,7 @@ int main(int argc, char* argv[]){
if (std::isdigit(digit)==0) {
std::cerr << argument << " is not a valid port." << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
}
// using unsigned long here because that's how stoul()
@ -120,14 +125,14 @@ int main(int argc, char* argv[]){
if (argumentNumber > 65535) {
std::cerr << argument << " is too big for a valid port." << std::endl;
usage;
return 1;
return EXIT_USAGE;
}
port = (uint16_t) argumentNumber;
}
break; // last argument anyway
}
usage;
return 1;
return EXIT_USAGE;
}
// Argument parsing end ############################################