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Add missing error handling to Avro file handling

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Some of the JSON errors weren't handled which could cause problems when a
malformed schema definition is read.

Also added more error messages for situations when opening of the files
fails.
This commit is contained in:
Markus Mäkelä
2017-01-26 10:09:48 +02:00
parent c2b03100f0
commit 84040be182
3 changed files with 68 additions and 43 deletions
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36
avro/maxavro_schema.c
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@ -126,21 +126,35 @@ MAXAVRO_SCHEMA* maxavro_schema_alloc(const char* json)
if (schema)
{
json_t *field_arr = NULL;
json_unpack(schema, "{s:o}", "fields", &field_arr);
size_t arr_size = json_array_size(field_arr);
rval->fields = malloc(sizeof(MAXAVRO_SCHEMA_FIELD) * arr_size);
rval->num_fields = arr_size;
for (int i = 0; i < arr_size; i++)
if (json_unpack(schema, "{s:o}", "fields", &field_arr) == 0)
{
json_t *object = json_array_get(field_arr, i);
char *key;
json_t *value_obj;
size_t arr_size = json_array_size(field_arr);
rval->fields = malloc(sizeof(MAXAVRO_SCHEMA_FIELD) * arr_size);
rval->num_fields = arr_size;
json_unpack(object, "{s:s s:o}", "name", &key, "type", &value_obj);
rval->fields[i].name = strdup(key);
rval->fields[i].type = unpack_to_type(value_obj, &rval->fields[i]);
for (int i = 0; i < arr_size; i++)
{
json_t *object = json_array_get(field_arr, i);
char *key;
json_t *value_obj;
if (json_unpack(object, "{s:s s:o}", "name", &key, "type", &value_obj) == 0)
{
rval->fields[i].name = strdup(key);
rval->fields[i].type = unpack_to_type(value_obj, &rval->fields[i]);
}
else
{
MXS_ERROR("Failed to unpack JSON Object \"name\": %s", json);
}
}
}
else
{
MXS_ERROR("Failed to unpack JSON Object \"fields\": %s", json);
}
json_decref(schema);
}