Fix bug in parser with postfix and truncated direction values

If you pass in foo=500k, then the 'k' multiplier will go unnoticed.

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

diff --git a/parse.c b/parse.c
index 7dc5fcc869ff05b21accb95257bb4fa473d188f3..c2d744b3088f5a4d74f1e94e9ea9631f9b2859e4 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -430,12 +430,16 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
        return ret;
 }
 
-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)
 {
-       const char *ptr2 = NULL;
+       char *ptr, *ptr2 = NULL;
        int r1, r2;
 
-       dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, ptr);
+       dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
+
+       ptr = NULL;
+       if (__ptr)
+               ptr = strdup(__ptr);
 
        /*
         * See if we have a second set of parameters, hidden after a comma.
@@ -446,6 +450,8 @@ static int handle_option(struct fio_option *o, const char *ptr, void *data)
            (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)
@@ -459,12 +465,17 @@ static int handle_option(struct fio_option *o, const char *ptr, void *data)
         */
        r1 = __handle_option(o, ptr, data, 1, !!ptr2);
 
-       if (!ptr2)
+       if (!ptr2) {
+               if (ptr)
+                       free(ptr);
                return r1;
+       }
 
        ptr2++;
        r2 = __handle_option(o, ptr2, data, 0, 0);
 
+       if (ptr)
+               free(ptr);
        return r1 && r2;
 }