update bundled_deps

bundled_deps/libigl/igl/path_to_executable.cpp

@@ -0,0 +1,49 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2014 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#include "path_to_executable.h"
+#ifdef __APPLE__
+#  include <mach-o/dyld.h>
+#endif
+#if defined(_WIN32)
+#  include <windows.h>
+#endif
+#include <stdint.h>
+IGL_INLINE std::string igl::path_to_executable()
+{
+  // http://pastebin.com/ffzzxPzi
+  using namespace std;
+  std::string path;
+  char buffer[1024];
+  uint32_t size = sizeof(buffer);
+#if defined (WIN32)
+  GetModuleFileName(nullptr,buffer,size);
+  path = buffer;
+#elif defined (__APPLE__)
+  if(_NSGetExecutablePath(buffer, &size) == 0)
+  {
+    path = buffer;
+  }
+#elif defined(UNIX)
+  if (readlink("/proc/self/exe", buffer, sizeof(buffer)) == -1)
+  {
+    path = buffer;
+  }
+#elif defined(__FreeBSD__)
+  int mib[4];
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC;
+  mib[2] = KERN_PROC_PATHNAME;
+  mib[3] = -1;
+  sysctl(mib, 4, buffer, sizeof(buffer), NULL, 0);
+  path = buffer;
+#elif defined(SUNOS)
+  path = getexecname();
+#endif
+  return path;
+}
+