return end of string when length is zero

Bulat Shakirzyanov · Bulat Shakirzyanov · commit 25fa058f498b · 2015-09-03T13:14:58.000-07:00
diff --git a/ext/util/types.c b/ext/util/types.c
@@ -259,6 +259,10 @@ next_token(const char*  str,       size_t  len,
 {
   enum token_type type;
 
+  if (len == 0) {
+    return TOKEN_END;
+  }
+
   unsigned int i = 0;
   char         c = str[i];
 

Original file line number	Diff line number	Diff line change
`@@ -259,6 +259,10 @@ next_token(const char* str, size_t len,`
`259`	`259`	`{`
`260`	`260`	`enum token_type type;`
`261`	`261`
	`262`	`+ if (len == 0) {`
	`263`	`+ return TOKEN_END;`
	`264`	`+ }`
	`265`	`+`
`262`	`266`	`unsigned int i = 0;`
`263`	`267`	`char c = str[i];`
`264`	`268`