--- a/common/strhelp.c	Mon Mar 24 10:06:43 2014 +0100
+++ b/common/strhelp.c	Mon Mar 24 13:32:12 2014 +0100
@@ -1,4 +1,4 @@
-
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -102,3 +102,24 @@
       free (str_array);
     }
 }
+
+bool
+str_equal (char *s1, char *s2)
+{
+  size_t l1 = strlen(s1);
+  size_t l2 = strlen(s2);
+  if ((l1 == l2) &&
+      (strncmp(s1, s2, l1) == 0))
+    return true;
+  else
+    return false;
+}
+
+bool
+str_starts_with (char *s1, char *s2)
+{
+  if (strncmp(s1, s2, strlen(s2)) == 0)
+    return true;
+  else
+    return false;
+}

--- a/common/strhelp.h	Mon Mar 24 10:06:43 2014 +0100
+++ b/common/strhelp.h	Mon Mar 24 13:32:12 2014 +0100
@@ -1,6 +1,8 @@
 #ifndef STRHELP_H
 #define STRHELP_H
 
+#include <stdbool.h>
+
 /**
  * @file  strhelp.h
  * @brief Helper functions for c strings and memory management
@@ -47,4 +49,21 @@
  * @param[inout] str_array a %NULL-terminated array of strings
  */
 void strv_free (char **str_array);
+
+/**
+ * @brief Checks whether two strings exactly match
+ * @param[in] s1 the first string
+ * @param[in] s2 the second string
+ * @returns true if s1 and s2 are equal
+ */
+bool str_equal (char *s1, char *s2);
+
+/**
+ * @brief Checks whether s2 exactly matches the beginning of s1.
+ * @param[in] s1 the string who's beginning is searched
+ * @param[in] s2 the string which is searched for
+ * @returns true if s1 starts with s2, false otherwise
+ */
+bool str_starts_with (char *s1, char *s2);
+
 #endif