utils: Add helper function to check a string for a given prefix

diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h
index 081852cd93f7eddce42b04103c501d0d22619f28..0e103de9cb248021445a621bbd5e4b41bb16cd81 100644 (file)
--- a/src/libstrongswan/utils/utils.h
+++ b/src/libstrongswan/utils/utils.h
@@ -88,6 +88,14 @@ static inline bool strneq(const char *x, const char *y, size_t len)
        return strncmp(x, y, len) == 0;
 }
 
+/**
+ * Helper function that checks if a string starts with a given prefix
+ */
+static inline bool strpfx(const char *x, const char *prefix)
+{
+       return strneq(x, prefix, strlen(prefix));
+}
+
 /**
  * Helper function that compares two strings for equality ignoring case
  */