disallow unrecognized escapes in unescape_string

JuliaLang · May 23, 2018 · b4f7946 · b4f7946
1 parent a209a45
commit b4f7946
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/base/strings/io.jl b/base/strings/io.jl
@@ -375,7 +375,8 @@ function unescape_string(io, s::AbstractString)
                           c == 'v' ? '\v' :
                           c == 'f' ? '\f' :
                           c == 'r' ? '\r' :
-                          c == 'e' ? '\e' : c)
+                          c == 'e' ? '\e' :
+                          throw(ArgumentError("invalid escape sequence \\$c")))
             end
         else
             print(io, c)