Avoid accessing backup, auto-save files, etc, with include-lookup.

[userv.git] / parser.c

diff --git a/parser.c b/parser.c
index 5f6ebadc7da07b2f2efe6d09bbd7a1b1039b6c23..01b770e0bab9d15fa51a76642a7f5806ab9a1fe4 100644 (file)
--- a/parser.c
+++ b/parser.c
@@ -1089,8 +1089,14 @@ int df_includelookup(int dtoken) {
       } else {
        if (*p=='.') *q++= ':';
        while ((c= *p++)) {
-         if (c=='/') { *q++= ':'; c='-'; }
-         else if (c==':') { *q++= ':'; }
+         if (c=='/') {
+           *q++= ':';
+           c= '-';
+         } else if (!((c >= '0' && c <= '9') ||
+                      (c >= 'a' && c <= 'z') ||
+                      c == '-' || c == '_')) {
+           *q++= ':';
+         }
          *q++= c;
        }
        *q++= 0;