Add library functions for accessing LAMMPS configuration

src/library.cpp

@@ -38,6 +38,7 @@
 #include "memory.h"
 #include "error.h"
 #include "force.h"
+#include "info.h"
 
 using namespace LAMMPS_NS;
 
@@ -1522,6 +1523,56 @@ void lammps_create_atoms(void *ptr, int n, tagint *id, int *type,
   END_CAPTURE
 }
 
+// ----------------------------------------------------------------------
+// library API functions for accessing LAMMPS configuration
+// ----------------------------------------------------------------------
+
+int lammps_config_has_package(char * package_name) {
+  return Info::has_package(package_name);
+}
+
+int lammps_config_package_count() {
+  int i = 0;
+  while(LAMMPS::installed_packages[i] != NULL) {
+    ++i;
+  }
+  return i;
+}
+
+int lammps_config_package_name(int index, char * buffer, int max_size) {
+  int i = 0;
+  while(LAMMPS::installed_packages[i] != NULL && i < index) {
+    ++i;
+  }
+
+  if(LAMMPS::installed_packages[i] != NULL) {
+    strncpy(buffer, LAMMPS::installed_packages[i], max_size);
+    return true;
+  }
+
+  return false;
+}
+
+int lammps_config_has_gzip_support() {
+  return Info::has_gzip_support();
+}
+
+int lammps_config_has_png_support() {
+  return Info::has_png_support();
+}
+
+int lammps_config_has_jpeg_support() {
+  return Info::has_jpeg_support();
+}
+
+int lammps_config_has_ffmpeg_support() {
+  return Info::has_ffmpeg_support();
+}
+
+int lammps_config_has_exceptions() {
+  return Info::has_exceptions();
+}
+
 // ----------------------------------------------------------------------
 // library API functions for error handling
 // ----------------------------------------------------------------------