Fix fs::RemoveRelativePathComponents for paths with a leading dot component

ShadowNinja · ShadowNinja · commit e4ee6548afd0 · 2016-11-24T10:38:23.000-05:00
Previously, paths like ./worlds would be resolved to /worlds since the
leading dot was considered just as irrelevant as a dot in the middle of
the path.
diff --git a/src/filesys.cpp b/src/filesys.cpp
@@ -631,7 +631,7 @@ std::string RemoveRelativePathComponents(std::string path)
 		std::string component = path.substr(component_start,
 				component_end - component_start);
 		bool remove_this_component = false;
-		if(component == "."){
+		if(component == "." && component_start != 0){
 			remove_this_component = true;
 		}
 		else if(component == ".."){

Original file line number	Diff line number	Diff line change
`@@ -631,7 +631,7 @@ std::string RemoveRelativePathComponents(std::string path)`
`631`	`631`	`std::string component = path.substr(component_start,`
`632`	`632`	`component_end - component_start);`
`633`	`633`	`bool remove_this_component = false;`
`634`		`- if(component == "."){`
	`634`	`+ if(component == "." && component_start != 0){`
`635`	`635`	`remove_this_component = true;`
`636`	`636`	`}`
`637`	`637`	`else if(component == ".."){`