add the -C CLI option

README.rst

@@ -58,6 +58,9 @@ OPTIONS
 
 	When writing to a file, append to it rather than overwrite it.
 
+-C
+
+	Do all regular expression and string matching caseless.
 -d
 
 	Start processing log records at the head of the log instead of the tail.

src/test/vslarg.sh

@@ -76,4 +76,12 @@ if [ "$?" != "1" ]; then
     exit 1
 fi
 
+echo "... -C"
+CKSUM=$( ../varnishevent -C -q 'ReqURL ~ "_STATIC"' -r ${IN} -l ${LOG} | cksum)
+
+if [ "$CKSUM" != '3256944209 830' ]; then
+    echo "ERROR: -q query unexpected cksum: $CKSUM"
+    exit 1
+fi
+
 exit 0

src/varnishevent.c

@@ -617,7 +617,7 @@ main(int argc, char *argv[])
     CONF_Init();
     read_default_config();
 
-    while ((c = getopt(argc, argv, "adDhvVP:w:F:g:f:q:r:n:N:L:T:l:")) != -1) {
+    while ((c = getopt(argc, argv, "aCdDhvVP:w:F:g:f:q:r:n:N:L:T:l:")) != -1) {
         switch (c) {
         case 'a':
             a_flag = 1;
@@ -684,6 +684,7 @@ main(int argc, char *argv[])
             break;
         case 'L':
         case 'T':
+        case 'C':
             if ((errnum = VSL_Arg(vsl, c, optarg)) < 0) {
                 fprintf(stderr, "%s\n", VSL_Error(vsl));
                 usage(EXIT_FAILURE);