#include <unistd.h>
#endif
+#include <boost/algorithm/string.hpp>
#include <cstring>
+#include <fstream>
#include <libgen.h> /* POSIX dirname */
+static std::vector<std::string> file_path;
+
+void simgrid::xbt::path_push(std::string const& str)
+{
+ file_path.push_back(str);
+}
+void simgrid::xbt::path_pop()
+{
+ file_path.pop_back();
+}
+std::string simgrid::xbt::path_to_string()
+{
+ return boost::join(file_path, ":");
+}
+FILE* simgrid::xbt::path_fopen(const std::string& name, const char* mode)
+{
+ if (name[0] == '/') // don't mess with absolute file names
+ return fopen(name.c_str(), mode);
+
+ /* search relative files in the path */
+ for (auto const& path_elm : file_path) {
+ std::string buff = path_elm + "/" + name;
+ FILE* file = fopen(buff.c_str(), mode);
+
+ if (file)
+ return file;
+ }
+ return nullptr;
+}
+
+std::ifstream* simgrid::xbt::path_ifsopen(const std::string& name)
+{
+ xbt_assert(not name.empty());
+
+ auto* fs = new std::ifstream();
+ if (name[0] == '/') // don't mess with absolute file names
+ fs->open(name.c_str(), std::ifstream::in);
+
+ /* search relative files in the path */
+ for (auto const& path_elm : file_path) {
+ std::string buff = path_elm + "/" + name;
+ fs->open(buff.c_str(), std::ifstream::in);
+
+ if (not fs->fail())
+ return fs;
+ }
+
+ return fs;
+}
+
simgrid::xbt::Path::Path()
{
#if HAVE_UNISTD_H
std::string p(path_);
return basename(&p[0]);
}
+
+simgrid::xbt::Path simgrid::xbt::Path::get_tmpdir()
+{
+ for (const char* name : {"TMPDIR", "TMP", "TEMP", "TEMPDIR"}) {
+ char* val = getenv(name);
+ if (val != nullptr)
+ return Path(val);
+ }
+ return Path("/tmp");
+}