Fix parser bug capping multi value options at 2

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/parse.c b/parse.c
index a5aa9f4a4efbd949f9a5065a06ad7f0ae21ed2bb..cbe8e35f2bd7e9fc5c5785c5d2afe77c95f341ca 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -532,51 +532,59 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 
 static int handle_option(struct fio_option *o, const char *__ptr, void *data)
 {
-       char *ptr, *ptr2 = NULL;
-       int r1, r2;
+       char *o_ptr, *ptr, *ptr2;
+       int ret, done;
 
        dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
 
-       ptr = NULL;
+       o_ptr = ptr = NULL;
        if (__ptr)
-               ptr = strdup(__ptr);
+               o_ptr = ptr = strdup(__ptr);
 
        /*
-        * See if we have a second set of parameters, hidden after a comma.
-        * Do this before parsing the first round, to check if we should
+        * See if we have another set of parameters, hidden after a comma.
+        * Do this before parsing this round, to check if we should
         * copy set 1 options to set 2.
         */
-       if (ptr &&
-           (o->type != FIO_OPT_STR_STORE) &&
-           (o->type != FIO_OPT_STR)) {
-               ptr2 = strchr(ptr, ',');
-               if (ptr2 && *(ptr2 + 1) == '\0')
-                       *ptr2 = '\0';
-               if (!ptr2)
-                       ptr2 = strchr(ptr, ':');
-               if (!ptr2)
-                       ptr2 = strchr(ptr, '-');
-       }
+       done = 0;
+       ret = 1;
+       do {
+               int __ret;
+
+               ptr2 = NULL;
+               if (ptr &&
+                   (o->type != FIO_OPT_STR_STORE) &&
+                   (o->type != FIO_OPT_STR)) {
+                       ptr2 = strchr(ptr, ',');
+                       if (ptr2 && *(ptr2 + 1) == '\0')
+                               *ptr2 = '\0';
+                       if (o->type != FIO_OPT_STR_MULTI) {
+                               if (!ptr2)
+                                       ptr2 = strchr(ptr, ':');
+                               if (!ptr2)
+                                       ptr2 = strchr(ptr, '-');
+                       }
+               }
 
-       /*
-        * Don't return early if parsing the first option fails - if
-        * we are doing multiple arguments, we can allow the first one
-        * being empty.
-        */
-       r1 = __handle_option(o, ptr, data, 1, !!ptr2);
+               /*
+                * Don't return early if parsing the first option fails - if
+                * we are doing multiple arguments, we can allow the first one
+                * being empty.
+                */
+               __ret = __handle_option(o, ptr, data, !done, !!ptr2);
+               if (ret)
+                       ret = __ret;
 
-       if (!ptr2) {
-               if (ptr)
-                       free(ptr);
-               return r1;
-       }
+               if (!ptr2)
+                       break;
 
-       ptr2++;
-       r2 = __handle_option(o, ptr2, data, 0, 0);
+               ptr = ptr2 + 1;
+               done++;
+       } while (1);
 
-       if (ptr)
-               free(ptr);
-       return r1 && r2;
+       if (o_ptr)
+               free(o_ptr);
+       return ret;
 }
 
 static struct fio_option *get_option(const char *opt,