libsearpc/lib/searpc-utils.h

#include <glib.h>
#include <glib-object.h>
#include <jansson.h>

#define SEARPC_JSON_DOMAIN g_quark_from_string("SEARPC_JSON")

typedef enum {
    SEARPC_JSON_ERROR_LOAD,
    SEARPC_JSON_ERROR_PACK,
    SEARPC_JSON_ERROR_UPACK
} SEARPCJSONERROR;

json_t *json_gobject_serialize (GObject *);
GObject *json_gobject_deserialize (GType , json_t *);

inline static void setjetoge(const json_error_t *jerror, GError **error)
{
    /* Load is the only function I use which reports errors */
    g_set_error(error, SEARPC_JSON_DOMAIN, SEARPC_JSON_ERROR_LOAD, "%s", jerror->text);
}

inline static const char *json_object_get_string_or_null_member (json_t *object,const char *member_name)
{
    json_t *ret = json_object_get (object, member_name);
    if (ret)
      return json_string_value(ret);
    else
      return NULL;
}

inline static void json_object_set_string_or_null_member (json_t *object,const char *member_name,const char *value)
{
    if (value)
      json_object_set_new(object,member_name, json_string(value));
    else
      json_object_set_new(object,member_name, json_null());
}

inline static const char *json_array_get_string_or_null_element (json_t *array, size_t index)
{
    json_t *ret=json_array_get (array,index);
    if (ret)
      return json_string_value (ret);
    else
      return NULL;
}

inline static void json_array_add_string_or_null_element (json_t *array, const char *value)
{
    if (value)
      json_array_append_new (array, json_string (value));
    else
      json_array_append_new (array, json_null ());
}

inline static json_int_t json_array_get_int_element (json_t *array, size_t index)
{
    return json_integer_value (json_array_get (array, index));
}

// Write "n" bytes to a descriptor.
ssize_t pipe_write_n(int fd, const void *vptr, size_t n);

// Read "n" bytes from a descriptor.
ssize_t pipe_read_n(int fd, void *vptr, size_t n);