diff options
author | 2017-05-02 16:08:35 +0200 | |
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committer | 2017-09-19 15:25:36 +0200 | |
commit | a91edb8202d3436e9d94a4f2b90c759f8833f770 (patch) | |
tree | 28aec17408af539f2c6dc8c8eca0e24f72240abf /src | |
parent | 6b647feb6483cecbfbf50efde394b5a7d8d0aa56 (diff) |
Extend database values with arrays
Change-Id: I9ab94413abce0d13102711091ec48a5894ccadd9
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'src')
-rw-r--r-- | src/afm-udb.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/src/afm-udb.c b/src/afm-udb.c index 9b1a354..e199ae1 100644 --- a/src/afm-udb.c +++ b/src/afm-udb.c @@ -90,6 +90,41 @@ static void apps_put(struct afm_apps *apps) } /* + * Append the field 'data' to the field 'name' of the 'object'. + * When a second append is done to one field, it is automatically + * transformed to an array. + * Return 0 in case of success or -1 in case of error. + */ +static int append_field( + struct json_object *object, + const char *name, + struct json_object *data +) +{ + struct json_object *item, *array; + + if (!json_object_object_get_ex(object, name, &item)) + json_object_object_add(object, name, data); + else { + if (json_object_is_type(item, json_type_array)) + array = item; + else { + array = json_object_new_array(); + if (!array) + goto error; + json_object_array_add(array, item); + json_object_object_add(object, name, array); + } + json_object_array_add(array, data); + } + return 0; + error: + json_object_put(data); + errno = ENOMEM; + return -1; +} + +/* * Adds the field of 'name' and 'value' in 'priv' and also if possible in 'pub' * Returns 0 on success or -1 on error. */ @@ -121,10 +156,10 @@ static int add_field( /* add the value */ if (name[0] == '-') { - json_object_object_add(priv, &name[1], v); + append_field(priv, &name[1], v); } else { - json_object_object_add(priv, name, json_object_get(v)); - json_object_object_add(pub, name, v); + append_field(priv, name, json_object_get(v)); + append_field(pub, name, v); } return 0; } |