checksrc: add crude // detection

lib/checksrc.pl

@@ -143,6 +143,11 @@ sub scanfile {
             checkwarn($line, length($1), $file, $l, "Trailing whitespace");
         }
 
+        # crude attempt to detect // comments without too many false
+        # positives
+        if($l =~ /^([^"\*]*)[^:"]\/\//) {
+            checkwarn($line, length($1), $file, $l, "\/\/ comment");
+        }
         # check spaces after for/if/while
         if($l =~ /^(.*)(for|if|while) \(/) {
             if($1 =~ / *\#/) {

lib/checksrc.whitelist

@@ -8,3 +8,4 @@
     return fopen(file, "r"); /* VMS */
     return fopen(file, "r", "rfm=stmlf", "ctx=stm");
     curl_memlog("FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
+           a URL as file://localhost//foo must be valid as well, to refer to