json_pointer.c: Move idx_val declaration to top of function

This helps compiling with MS compiler, error seems to be
due to defining a variable within the body of the function
its allowed in c99 but not in c89. This should fix build with
MSVC 16.0.40219.1 compiler from Visual Studio 14 2015

Signed-off-by: Khem Raj <raj.khem@gmail.com>

diff --git a/json_pointer.c b/json_pointer.c
index 2e8d30cb2a9a1fc078cf66d66412b9b5ebca621f..5abccdb9dfc1fb69ccd07643f5375304fa0ccce2 100644 (file)
--- a/json_pointer.c
+++ b/json_pointer.c
@@ -44,6 +44,7 @@ static void string_replace_all_occurrences_with_char(char *s, const char *occur,
 static int is_valid_index(struct json_object *jo, const char *path, size_t *idx)
 {
        size_t i, len = strlen(path);
+       long int idx_val = -1;
        /* this code-path optimizes a bit, for when we reference the 0-9 index range
         * in a JSON array and because leading zeros not allowed
         */
@@ -73,7 +74,7 @@ static int is_valid_index(struct json_object *jo, const char *path, size_t *idx)
                }
        }
 
-       long int idx_val = strtol(path, NULL, 10);
+       idx_val = strtol(path, NULL, 10);
        if (idx_val < 0)
        {
                errno = EINVAL;