1 files changed, 23 insertions, 0 deletions
diff --git a/util.c b/util.c
new file mode 100644
index 0000000..1f74ad5
--- /dev/null
+++ b/util.c
@@ -0,0 +1,23 @@
+#include "common.h"
+
+/***
+ * Strip whitespace from end of string
+ * @param s string
+ * @return count of characters stripped
+ */
+size_t rstrip(char *s) {
+    char *ch;
+    size_t i;
+
+    i = 0;
+    ch = &s[strlen(s)];
+    if (ch) {
+        while (isspace(*ch) || iscntrl(*ch)) {
+            *ch = '\0';
+            --ch;
+            i++;
+        }
+    }
+    return i;
+}
+