bkinnightskytw
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ethercat
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helpWanted; cmdName.

This commit is contained in:
Florian Pose 2008-07-18 09:01:24 +00:00
parent 086c41d91b
commit 232f5148d7
1 changed files with 20 additions and 7 deletions
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27
tools/main.cpp
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@ -5,6 +5,7 @@
****************************************************************************/
#include <getopt.h>
#include <libgen.h> // basename()
#include <iostream>
#include <string>
@ -17,6 +18,7 @@ using namespace std;
#define DEFAULT_MASTER 0
static string cmdName;
static unsigned int masterIndex = DEFAULT_MASTER;
static int slavePosition = -1;
static int domainIndex = -1;
@ -25,13 +27,14 @@ vector<string> commandArgs;
static Master::Verbosity verbosity = Master::Normal;
string dataTypeStr;
bool force = false;
bool helpWanted = false;
/*****************************************************************************/
void printUsage()
{
cerr
<< "Usage: ethercat <COMMAND> [OPTIONS]" << endl
<< "Usage: " << cmdName << " <COMMAND> [OPTIONS]" << endl
<< "Commands:" << endl
<< " alias Write alias addresses." << endl
<< " config Show bus configuration." << endl
@ -63,7 +66,10 @@ void printUsage()
<< " --force -f Force action." << endl
<< " --quiet -q Output less information." << endl
<< " --verbose -v Output more information." << endl
<< " --help -h Show this help." << endl;
<< " --help -h Show this help." << endl
<< "Call '" << cmdName << " <COMMAND> --help' for command-specific "
<< "help." << endl
<< "Send bug reports to " << PACKAGE_BUGREPORT << "." << endl;
}
/*****************************************************************************/
@ -148,9 +154,12 @@ void getOptions(int argc, char **argv)
break;
case 'h':
helpWanted = true;
break;
case '?':
printUsage();
exit(0);
exit(1);
default:
break;
@ -160,10 +169,12 @@ void getOptions(int argc, char **argv)
argCount = argc - optind;
if (!argCount) {
cerr << "Please specify a command!" << endl;
printUsage();
exit(1);
if (!argCount) {
if (!helpWanted) {
cerr << "Please specify a command!" << endl;
}
printUsage();
exit(!helpWanted);
}
command = argv[optind];
@ -176,6 +187,8 @@ void getOptions(int argc, char **argv)
int main(int argc, char **argv)
{
Master master;
cmdName = basename(argv[0]);
getOptions(argc, argv);