/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2010 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include
#include
#include "result.h"
#include "result-private.h"
#include "errors.h"
/*********************************************************/
typedef struct Val Val;
typedef enum {
VAL_TYPE_NONE = 0,
VAL_TYPE_STRING = 1,
VAL_TYPE_U8 = 2,
VAL_TYPE_U32 = 3,
VAL_TYPE_U8_ARRAY = 4,
VAL_TYPE_U16_ARRAY = 5,
} ValType;
struct Val {
char *key;
u_int8_t type;
union {
char *s;
u_int8_t u8;
u_int32_t u32;
u_int8_t *u8_array;
u_int16_t *u16_array;
} u;
u_int32_t array_len;
Val *next;
};
static void
val_free (Val *v)
{
if (v->type == VAL_TYPE_STRING) {
if (v->u.s)
free (v->u.s);
} else if (v->type == VAL_TYPE_U8_ARRAY) {
if (v->u.u8_array);
free (v->u.u8_array);
} else if (v->type == VAL_TYPE_U16_ARRAY) {
if (v->u.u16_array);
free (v->u.u16_array);
}
free (v->key);
memset (v, 0, sizeof (*v));
free (v);
}
static Val *
val_new_string (const char *key, const char *value)
{
Val *v;
qcdm_return_val_if_fail (key != NULL, NULL);
qcdm_return_val_if_fail (key[0] != '\0', NULL);
qcdm_return_val_if_fail (value != NULL, NULL);
v = calloc (sizeof (Val), 1);
if (v == NULL)
return NULL;
v->key = strdup (key);
v->type = VAL_TYPE_STRING;
v->u.s = strdup (value);
return v;
}
static Val *
val_new_u8 (const char *key, u_int8_t u)
{
Val *v;
qcdm_return_val_if_fail (key != NULL, NULL);
qcdm_return_val_if_fail (key[0] != '\0', NULL);
v = calloc (sizeof (Val), 1);
if (v == NULL)
return NULL;
v->key = strdup (key);
v->type = VAL_TYPE_U8;
v->u.u8 = u;
return v;
}
static Val *
val_new_u8_array (const char *key, const u_int8_t *array, size_t array_len)
{
Val *v;
qcdm_return_val_if_fail (key != NULL, NULL);
qcdm_return_val_if_fail (key[0] != '\0', NULL);
qcdm_return_val_if_fail (array != NULL, NULL);
qcdm_return_val_if_fail (array_len > 0, NULL);
v = calloc (sizeof (Val), 1);
if (v == NULL)
return NULL;
v->key = strdup (key);
v->type = VAL_TYPE_U8_ARRAY;
v->u.u8_array = malloc (array_len);
if (v->u.u8_array == NULL) {
val_free (v);
return NULL;
}
memcpy (v->u.u8_array, array, array_len);
v->array_len = array_len;
return v;
}
static Val *
val_new_u32 (const char *key, u_int32_t u)
{
Val *v;
qcdm_return_val_if_fail (key != NULL, NULL);
qcdm_return_val_if_fail (key[0] != '\0', NULL);
v = calloc (sizeof (Val), 1);
if (v == NULL)
return NULL;
v->key = strdup (key);
v->type = VAL_TYPE_U32;
v->u.u32 = u;
return v;
}
static Val *
val_new_u16_array (const char *key, const u_int16_t *array, size_t array_len)
{
Val *v;
size_t sz;
qcdm_return_val_if_fail (key != NULL, NULL);
qcdm_return_val_if_fail (key[0] != '\0', NULL);
qcdm_return_val_if_fail (array != NULL, NULL);
qcdm_return_val_if_fail (array_len > 0, NULL);
v = calloc (sizeof (Val), 1);
if (v == NULL)
return NULL;
v->key = strdup (key);
v->type = VAL_TYPE_U16_ARRAY;
sz = sizeof (u_int16_t) * array_len;
v->u.u16_array = malloc (sz);
if (v->u.u16_array == NULL) {
val_free (v);
return NULL;
}
memcpy (v->u.u16_array, array, sz);
v->array_len = array_len;
return v;
}
/*********************************************************/
struct QcdmResult {
u_int32_t refcount;
Val *first;
};
QcdmResult *
qcdm_result_new (void)
{
QcdmResult *r;
r = calloc (sizeof (QcdmResult), 1);
if (r)
r->refcount = 1;
return r;
}
QcdmResult *
qcdm_result_ref (QcdmResult *r)
{
qcdm_return_val_if_fail (r != NULL, NULL);
qcdm_return_val_if_fail (r->refcount > 0, NULL);
r->refcount++;
return r;
}
static void
qcdm_result_free (QcdmResult *r)
{
Val *v, *n;
v = r->first;
while (v) {
n = v->next;
val_free (v);
v = n;
}
memset (r, 0, sizeof (*r));
free (r);
}
void
qcdm_result_unref (QcdmResult *r)
{
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
r->refcount--;
if (r->refcount == 0)
qcdm_result_free (r);
}
static Val *
find_val (QcdmResult *r, const char *key, ValType expected_type)
{
Val *v, *n;
v = r->first;
while (v) {
n = v->next;
if (strcmp (v->key, key) == 0) {
/* Check type */
qcdm_return_val_if_fail (v->type == expected_type, NULL);
return v;
}
v = n;
}
return NULL;
}
void
qcdm_result_add_string (QcdmResult *r,
const char *key,
const char *str)
{
Val *v;
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
qcdm_return_if_fail (key != NULL);
qcdm_return_if_fail (str != NULL);
v = val_new_string (key, str);
qcdm_return_if_fail (v != NULL);
v->next = r->first;
r->first = v;
}
int
qcdm_result_get_string (QcdmResult *r,
const char *key,
const char **out_val)
{
Val *v;
qcdm_return_val_if_fail (r != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (r->refcount > 0, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (key != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_val != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (*out_val == NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
v = find_val (r, key, VAL_TYPE_STRING);
if (v == NULL)
return -QCDM_ERROR_VALUE_NOT_FOUND;
*out_val = v->u.s;
return 0;
}
void
qcdm_result_add_u8 (QcdmResult *r,
const char *key,
u_int8_t num)
{
Val *v;
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
qcdm_return_if_fail (key != NULL);
v = val_new_u8 (key, num);
qcdm_return_if_fail (v != NULL);
v->next = r->first;
r->first = v;
}
int
qcdm_result_get_u8 (QcdmResult *r,
const char *key,
u_int8_t *out_val)
{
Val *v;
qcdm_return_val_if_fail (r != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (r->refcount > 0, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (key != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_val != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
v = find_val (r, key, VAL_TYPE_U8);
if (v == NULL)
return -QCDM_ERROR_VALUE_NOT_FOUND;
*out_val = v->u.u8;
return 0;
}
void
qcdm_result_add_u8_array (QcdmResult *r,
const char *key,
const u_int8_t *array,
size_t array_len)
{
Val *v;
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
qcdm_return_if_fail (key != NULL);
qcdm_return_if_fail (array != NULL);
qcdm_return_if_fail (array_len >= 0);
v = val_new_u8_array (key, array, array_len);
qcdm_return_if_fail (v != NULL);
v->next = r->first;
r->first = v;
}
int
qcdm_result_get_u8_array (QcdmResult *r,
const char *key,
const u_int8_t **out_val,
size_t *out_len)
{
Val *v;
qcdm_return_val_if_fail (r != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (r->refcount > 0, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (key != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_val != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_len != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
v = find_val (r, key, VAL_TYPE_U8_ARRAY);
if (v == NULL)
return -QCDM_ERROR_VALUE_NOT_FOUND;
*out_val = v->u.u8_array;
*out_len = v->array_len;
return 0;
}
void
qcdm_result_add_u32 (QcdmResult *r,
const char *key,
u_int32_t num)
{
Val *v;
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
qcdm_return_if_fail (key != NULL);
v = val_new_u32 (key, num);
qcdm_return_if_fail (v != NULL);
v->next = r->first;
r->first = v;
}
int
qcdm_result_get_u32 (QcdmResult *r,
const char *key,
u_int32_t *out_val)
{
Val *v;
qcdm_return_val_if_fail (r != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (r->refcount > 0, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (key != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_val != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
v = find_val (r, key, VAL_TYPE_U32);
if (v == NULL)
return -QCDM_ERROR_VALUE_NOT_FOUND;
*out_val = v->u.u32;
return 0;
}
void
qcdm_result_add_u16_array (QcdmResult *r,
const char *key,
const u_int16_t *array,
size_t array_len)
{
Val *v;
qcdm_return_if_fail (r != NULL);
qcdm_return_if_fail (r->refcount > 0);
qcdm_return_if_fail (key != NULL);
qcdm_return_if_fail (array != NULL);
qcdm_return_if_fail (array_len >= 0);
v = val_new_u16_array (key, array, array_len);
qcdm_return_if_fail (v != NULL);
v->next = r->first;
r->first = v;
}
int
qcdm_result_get_u16_array (QcdmResult *r,
const char *key,
const u_int16_t **out_val,
size_t *out_len)
{
Val *v;
qcdm_return_val_if_fail (r != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (r->refcount > 0, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (key != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_val != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
qcdm_return_val_if_fail (out_len != NULL, -QCDM_ERROR_INVALID_ARGUMENTS);
v = find_val (r, key, VAL_TYPE_U16_ARRAY);
if (v == NULL)
return -QCDM_ERROR_VALUE_NOT_FOUND;
*out_val = v->u.u16_array;
*out_len = v->array_len;
return 0;
}