Allow ~ through unescaped

freedesktop #57078 (https://bugs.freedesktop.org/show_bug.cgi?id=57078)

check/Makefile.am

@@ -25,7 +25,8 @@ TESTS = \
 	check-sysroot \
 	check-uninstalled \
 	check-debug \
-	check-gtk
+	check-gtk \
+	check-tilde
 
 EXTRA_DIST = \
 	$(TESTS) \
@@ -91,4 +92,5 @@ EXTRA_DIST = \
 	gtk/xau.pc \
 	gtk/xcb.pc \
 	gtk/xproto.pc \
-	gtk/xrender.pc
+	gtk/xrender.pc \
+	tilde.pc

check/check-tilde

@@ -0,0 +1,13 @@
+#! /bin/sh
+
+set -e
+
+. ${srcdir}/common
+
+# expect unescaped tilde from cflags
+RESULT='-I~'
+run_test --cflags tilde
+
+# expect unescaped tilde from libs
+RESULT='-L~'
+run_test --libs tilde

check/tilde.pc

@@ -0,0 +1,5 @@
+Name: tilde
+Description: tilde test module
+Version: 1.0
+Libs: -L~
+Cflags: -I~

parse.c

@@ -583,7 +583,8 @@ static char *strdup_escape_shell(const char *s)
 		    (s[0] > '=' && s[0] < '@') ||
 		    (s[0] > 'Z' && s[0] < '^') ||
 		    (s[0] == '`') ||
-		    (s[0] > 'z')) {
+		    (s[0] > 'z' && s[0] < '~') ||
+		    (s[0] > '~')) {
 			r[c] = '\\';
 			c++;
 		}