Adding missing file

src/util/print_stack.hpp

+/*
+ * print_stack.hpp
+ *
+ *  Created on: Feb 12, 2017
+ *      Author: i-bird
+ */
+
+#ifndef OPENFPM_DATA_SRC_UTIL_PRINT_STACK_HPP_
+#define OPENFPM_DATA_SRC_UTIL_PRINT_STACK_HPP_
+
+#include <sstream>
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <array>
+#include <execinfo.h>
+
+extern std::string program_name;
+
+/*! \brief Execute a command getting the std::cout
+ *
+ *
+ */
+static inline std::string exec(const char* cmd)
+{
+    std::array<char, 128> buffer;
+    std::string result;
+    std::shared_ptr<FILE> pipe(popen(cmd, "r"), pclose);
+    if (!pipe) throw std::runtime_error("popen() failed!");
+    while (!feof(pipe.get()))
+    {
+        if (fgets(buffer.data(), 128, pipe.get()) != NULL)
+            result += buffer.data();
+    }
+    return result;
+}
+
+/*! \brief Print the stack trace
+ *
+ *
+ */
+static inline void print_stack()
+{
+#ifdef PRINT_STACKTRACE
+
+	void *trace[256];
+
+	int ncall = backtrace(trace,256);
+	char ** messages = backtrace_symbols(trace, ncall);
+
+	std::stringstream str;
+
+	str << "\033[1;31m*******************************************\033[0m" << std::endl;
+	str << "\033[1;31m*********** STACK TRACE *******************\033[0m" << std::endl;
+	str << "\033[1;31m*******************************************\033[0m" << std::endl;
+
+	str << "\033[1mThe stack trace indicate where in the code happened the error the error " <<
+			     "is in general detected inside the library. In order to find the position " <<
+			     "in your code, follow from top to bottom the list of calls until you find " <<
+				 "a source code familiar to you.\033[0m" << std::endl;
+
+	for (int i = 0 ; i < ncall ; i++)
+	{
+		str << "STACK TRACE Address: " << trace[i] << "   " << messages[i] << "   source:";
+
+		char syscom[256];
+		sprintf(syscom,"addr2line %p -e %s", trace[i],program_name.c_str()); //last parameter is the name of this app
+
+		std::string ss = exec(syscom);
+		str << std::endl << "\033[1;31m" << ss << "\033[0m";
+	}
+
+	std::cerr << str.str() << std::endl;
+
+#endif
+}
+
+
+
+#endif /* OPENFPM_DATA_SRC_UTIL_PRINT_STACK_HPP_ */