Added a function to version.c to get the name of the host.

src/version.c

@@ -21,6 +21,9 @@
 /* Config parameters. */
 #include "../config.h"
 
+/* Needed for gethostname() */
+#include <unistd.h>
+
 /* MPI headers. */
 #ifdef WITH_MPI
 #include <mpi.h>
@@ -47,6 +50,25 @@
 /* Local headers. */
 #include "version_string.h"
 
+/**
+ * @brief Return the hostname
+ *
+ * Will return the name of the host.
+ *
+ * @result the hostname.
+ */
+const char *hostname(void) {
+  static char buf[256];
+  static int initialised = 0;
+  if (!initialised) {
+    buf[255] = '\0';
+    if(gethostname(buf,255))
+      sprintf(buf, "%s", "Unknown host");
+    initialised = 1;
+  }
+  return buf;
+}
+
 /**
  * @brief Return the source code git revision
  *

src/version.h

@@ -22,6 +22,7 @@
 
 const char* package_description(void);
 const char* package_version(void);
+const char *hostname(void);
 const char* git_revision(void);
 const char* git_branch(void);
 const char* compiler_name(void);