README: update for crctest

[fio.git] / parse.c

diff --git a/parse.c b/parse.c
index 5e3573ea646fcb52ca1b08d043712d2c89efb0c6..6141c91e8d31c4e9d0822fb769f606e1bcd84b00 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -547,9 +547,11 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                        ** Initialize precision to 0 and zero out list
                        ** in case specified list is shorter than default
                        */
-                       ul2 = 0;
-                       ilp = td_var(data, o->off2);
-                       *ilp = ul2;
+                       if (o->off2) {
+                               ul2 = 0;
+                               ilp = td_var(data, o->off2);
+                               *ilp = ul2;
+                       }
 
                        flp = td_var(data, o->off1);
                        for(i = 0; i < o->maxlen; i++)
@@ -592,9 +594,11 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                        while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
                                len++;
 
-                       ilp = td_var(data, o->off2);
-                       if (len > *ilp)
-                               *ilp = len;
+                       if (o->off2) {
+                               ilp = td_var(data, o->off2);
+                               if (len > *ilp)
+                                       *ilp = len;
+                       }
                }
 
                break;
@@ -944,7 +948,8 @@ int parse_cmd_option(const char *opt, const char *val,
 }
 
 int parse_option(char *opt, const char *input,
-                struct fio_option *options, struct fio_option **o, void *data)
+                struct fio_option *options, struct fio_option **o, void *data,
+                int dump_cmdline)
 {
        char *post;
 
@@ -965,11 +970,25 @@ int parse_option(char *opt, const char *input,
                return 1;
        }
 
-       if (!handle_option(*o, post, data))
-               return 0;
+       if (handle_option(*o, post, data)) {
+               log_err("fio: failed parsing %s\n", input);
+               return 1;
+       }
 
-       log_err("fio: failed parsing %s\n", input);
-       return 1;
+       if (dump_cmdline) {
+               const char *delim;
+
+               if (!strcmp("description", (*o)->name))
+                       delim = "\"";
+               else
+                       delim = "";
+
+               log_info("--%s%s", (*o)->name, post ? "" : " ");
+               if (post)
+                       log_info("=%s%s%s ", delim, post, delim);
+       }
+
+       return 0;
 }
 
 /*