Additional tweak for tilde expansion in paths

kjessup · kjessup · commit 886da1d3b6ee · 2016-07-05T20:55:13.000-04:00
diff --git a/Sources/PerfectLib/File.swift b/Sources/PerfectLib/File.swift
@@ -99,7 +99,7 @@ public class File {
     }
 	
 	static func resolveTilde(inPath: String) -> String {
-		if inPath[inPath.startIndex] == "~" {
+		if !inPath.isEmpty && inPath[inPath.startIndex] == "~" {
 			var wexp = wordexp_t()
 			wordexp(inPath, &wexp, 0)
 			if let resolved = wexp.we_wordv[0], pth = String(validatingUTF8: resolved) {

Original file line number	Diff line number	Diff line change
`@@ -99,7 +99,7 @@ public class File {`
`99`	`99`	`}`
`100`	`100`
`101`	`101`	`static func resolveTilde(inPath: String) -> String {`
`102`		`- if inPath[inPath.startIndex] == "~" {`
	`102`	`+ if !inPath.isEmpty && inPath[inPath.startIndex] == "~" {`
`103`	`103`	`var wexp = wordexp_t()`
`104`	`104`	`wordexp(inPath, &wexp, 0)`
`105`	`105`	`if let resolved = wexp.we_wordv[0], pth = String(validatingUTF8: resolved) {`