Check for empty vectors as well

mgirlich · mgirlich · commit ea377a985ffa · 2023-11-02T06:25:47.000Z
diff --git a/src/xml2_url.cpp b/src/xml2_url.cpp
@@ -8,7 +8,7 @@
 #include "xml2_utils.h"
 
 const xmlChar* to_xml_chr(cpp11::strings x, const char* arg) {
-  if (x.size() > 1) {
+  if (x.size() != 1) {
     cpp11::stop("%s must be a character vector of length 1", arg);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`#include "xml2_utils.h"`
`9`	`9`
`10`	`10`	`const xmlChar* to_xml_chr(cpp11::strings x, const char* arg) {`
`11`		`- if (x.size() > 1) {`
	`11`	`+ if (x.size() != 1) {`
`12`	`12`	`cpp11::stop("%s must be a character vector of length 1", arg);`
`13`	`13`	`}`
`14`	`14`