2 files changed, 23 insertions, 12 deletions
diff --git a/cppawk b/cppawk
index 67cb152..ebf9ff1 100755
--- a/cppawk
+++ b/cppawk
@@ -48,22 +48,16 @@ quote()
   case $1 in
   *"'"* )
     case $1 in
-    *'"'* | *'$'* )
-      printf "%s" "'$(printf "%s" "$1" | sed -e "s/'/'\\\\''/g")'"
+    *[\"\$\\]* )
+      printf "'%s'" "$(printf "%s" "$1" | sed -e "s/'/'\\\\''/g")"
       ;;
     * )
-      printf "%s" "\"$1\""
+      printf '"%s"' "$1"
       ;;
     esac
     ;;
-  *'"'* | *['$*?[(){};&|<>#']* | '~'* )
-    printf "%s" "'$1'"
-    ;;
-  *' '* | *'    '* )
-    printf "%s" "\"$1\""
-    ;;
   * )
-    printf "%s" "$1"
+    printf "'%s'" "$1"
     ;;
   esac
 }
diff --git a/testcases b/testcases
index 1dd1f52..caef473 100644
--- a/testcases
+++ b/testcases
@@ -127,12 +127,29 @@ BEGIN { }
 :
 73
 --
-22:
+24:
 ./cppawk -v foo="abc def" 'BEGIN { print foo }'
 :
 abc def
 --
-23:
+25:
 ./cppawk 'BEGIN { printf("%s:%s:%s\n", ARGC, ARGV[1], ARGV[2]) }' "ab c" "'"
 :
 3:ab c:'
+--
+26:
+./cppawk -v foo="abc\\ndef" 'BEGIN { print foo }'
+:
+abc
+def
+--
+27:
+./cppawk -v foo='abc\n"def' 'BEGIN { print foo }'
+:
+abc
+"def
+--
+28:
+./cppawk -v foo="abc'def" 'BEGIN { print foo }'
+:
+abc'def