misc stuff for report mode (non-working)

src/engines/dyninst-engine.cc

@@ -145,7 +145,7 @@ class DyninstEngine : public IEngine, public IFileParser
 		IConfiguration &conf = IConfiguration::getInstance();
 
 		if (conf.keyAsString("system-mode-write-file") != "" ||
-				conf.keyAsInt("system-mode-read-results-file"))
+				conf.keyAsString("system-mode-read-results-file") != "")
 			return match_perfect;
 
 		return match_none;

src/main.cc

@@ -391,6 +391,72 @@ static int runSystemModeRecord()
 	return runSystemModeRecordDirectory(base);
 }
 
+static int runSystemModeReportFile(const std::string &file)
+{
+	pid_t child = fork();
+	if (child < 0)
+	{
+		panic("Fork failed?\n");
+	}
+	else if (child == 0)
+	{
+		IConfiguration &conf = IConfiguration::getInstance();
+
+		conf.setKey("system-mode-read-results-file", file);
+		conf.setKey("binary-name", file);
+		conf.setKey("binary-path", ""); // absolute path
+
+		runKcov(IConfiguration::MODE_COLLECT_AND_REPORT);
+	}
+	else
+	{
+		// Parent
+		int status;
+
+		::waitpid(child, &status, 0);
+	}
+
+	return 0;
+}
+
+static int runSystemModeReportDirectory(const std::string &base)
+{
+	DIR *dir = ::opendir(base.c_str());
+	if (!dir)
+	{
+		error("Can't open directory %s\n", base.c_str());
+		return -1;
+	}
+
+	// Loop through the directory structure
+	struct dirent *de;
+	for (de = ::readdir(dir); de; de = ::readdir(dir)) {
+		std::string cur = base + "/" + de->d_name;
+		struct stat st;
+
+		if (lstat(cur.c_str(), &st) < 0)
+			continue;
+
+		// Executable file?
+		if (S_ISREG(st.st_mode))
+		{
+			runSystemModeReportFile(cur);
+		}
+	}
+	::closedir(dir);
+
+	return 0;
+}
+
+static int runSystemModeReport()
+{
+	IConfiguration &conf = IConfiguration::getInstance();
+
+	std::string base = conf.keyAsString("binary-path") + conf.keyAsString("binary-name");
+
+	return runSystemModeReportDirectory(base);
+}
+
 int main(int argc, const char *argv[])
 {
 	IConfiguration &conf = IConfiguration::getInstance();
@@ -406,5 +472,8 @@ int main(int argc, const char *argv[])
 	if (runningMode == IConfiguration::MODE_SYSTEM_RECORD)
 		return runSystemModeRecord();
 
+	if (runningMode == IConfiguration::MODE_SYSTEM_REPORT)
+		return runSystemModeReport();
+
 	return runKcov(runningMode);
 }