/src/libcbor/src/cbor/common.c

Source (jump to first uncovered line)
/*
 * Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
 *
 * libcbor is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See LICENSE for details.
 */

#include "cbor/common.h"
#include "arrays.h"
#include "bytestrings.h"
#include "data.h"
#include "floats_ctrls.h"
#include "ints.h"
#include "maps.h"
#include "strings.h"
#include "tags.h"

#ifdef DEBUG
bool _cbor_enable_assert = true;
#endif

bool cbor_isa_uint(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_UINT;
}

bool cbor_isa_negint(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_NEGINT;
}

bool cbor_isa_bytestring(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_BYTESTRING;
}

bool cbor_isa_string(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_STRING;
}

bool cbor_isa_array(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_ARRAY;
}

bool cbor_isa_map(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_MAP;
}

bool cbor_isa_tag(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_TAG;
}

bool cbor_isa_float_ctrl(const cbor_item_t* item) {
  return item->type == CBOR_TYPE_FLOAT_CTRL;
}

cbor_type cbor_typeof(const cbor_item_t* item) { return item->type; }

bool cbor_is_int(const cbor_item_t* item) {
  return cbor_isa_uint(item) || cbor_isa_negint(item);
}

bool cbor_is_bool(const cbor_item_t* item) {
  return cbor_isa_float_ctrl(item) &&
         (cbor_ctrl_value(item) == CBOR_CTRL_FALSE ||
          cbor_ctrl_value(item) == CBOR_CTRL_TRUE);
}

bool cbor_is_null(const cbor_item_t* item) {
  return cbor_isa_float_ctrl(item) && cbor_ctrl_value(item) == CBOR_CTRL_NULL;
}

bool cbor_is_undef(const cbor_item_t* item) {
  return cbor_isa_float_ctrl(item) && cbor_ctrl_value(item) == CBOR_CTRL_UNDEF;
}

bool cbor_is_float(const cbor_item_t* item) {
  return cbor_isa_float_ctrl(item) && !cbor_float_ctrl_is_ctrl(item);
}

cbor_item_t* cbor_incref(cbor_item_t* item) {
  item->refcount++;
  return item;
}

void cbor_decref(cbor_item_t** item_ref) {
  cbor_item_t* item = *item_ref;
  CBOR_ASSERT(item->refcount > 0);
  if (--item->refcount == 0) {
    switch (item->type) {
      case CBOR_TYPE_UINT:
        /* Fallthrough */
      case CBOR_TYPE_NEGINT:
        /* Combined allocation, freeing the item suffices */
        { break; }
      case CBOR_TYPE_BYTESTRING: {
        if (cbor_bytestring_is_definite(item)) {
          _cbor_free(item->data);
        } else {
          /* We need to decref all chunks */
          cbor_item_t** handle = cbor_bytestring_chunks_handle(item);
          for (size_t i = 0; i < cbor_bytestring_chunk_count(item); i++)
            cbor_decref(&handle[i]);
          _cbor_free(((struct cbor_indefinite_string_data*)item->data)->chunks);
          _cbor_free(item->data);
        }
        break;
      }
      case CBOR_TYPE_STRING: {
        if (cbor_string_is_definite(item)) {
          _cbor_free(item->data);
        } else {
          /* We need to decref all chunks */
          cbor_item_t** handle = cbor_string_chunks_handle(item);
          for (size_t i = 0; i < cbor_string_chunk_count(item); i++)
            cbor_decref(&handle[i]);
          _cbor_free(((struct cbor_indefinite_string_data*)item->data)->chunks);
          _cbor_free(item->data);
        }
        break;
      }
      case CBOR_TYPE_ARRAY: {
        /* Get all items and decref them */
        cbor_item_t** handle = cbor_array_handle(item);
        size_t size = cbor_array_size(item);
        for (size_t i = 0; i < size; i++)
          if (handle[i] != NULL) cbor_decref(&handle[i]);
        _cbor_free(item->data);
        break;
      }
      case CBOR_TYPE_MAP: {
        struct cbor_pair* handle = cbor_map_handle(item);
        for (size_t i = 0; i < item->metadata.map_metadata.end_ptr;
             i++, handle++) {
          cbor_decref(&handle->key);
          if (handle->value != NULL) cbor_decref(&handle->value);
        }
        _cbor_free(item->data);
        break;
      }
      case CBOR_TYPE_TAG: {
        if (item->metadata.tag_metadata.tagged_item != NULL)
          cbor_decref(&item->metadata.tag_metadata.tagged_item);
        _cbor_free(item->data);
        break;
      }
      case CBOR_TYPE_FLOAT_CTRL: {
        /* Floats have combined allocation */
        break;
      }
    }
    _cbor_free(item);
    *item_ref = NULL;
  }
}

void cbor_intermediate_decref(cbor_item_t* item) { cbor_decref(&item); }

size_t cbor_refcount(const cbor_item_t* item) { return item->refcount; }

cbor_item_t* cbor_move(cbor_item_t* item) {
  item->refcount--;
  return item;
}

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
3		*
4		* libcbor is free software; you can redistribute it and/or modify
5		* it under the terms of the MIT license. See LICENSE for details.
6		*/
7
8		#include "cbor/common.h"
9		#include "arrays.h"
10		#include "bytestrings.h"
11		#include "data.h"
12		#include "floats_ctrls.h"
13		#include "ints.h"
14		#include "maps.h"
15		#include "strings.h"
16		#include "tags.h"
17
18		#ifdef DEBUG
19		bool _cbor_enable_assert = true;
20		#endif
21
22	291M	bool cbor_isa_uint(const cbor_item_t* item) {
23	291M	return item->type == CBOR_TYPE_UINT;
24	291M	}
25
26	16.3M	bool cbor_isa_negint(const cbor_item_t* item) {
27	16.3M	return item->type == CBOR_TYPE_NEGINT;
28	16.3M	}
29
30	30.6M	bool cbor_isa_bytestring(const cbor_item_t* item) {
31	30.6M	return item->type == CBOR_TYPE_BYTESTRING;
32	30.6M	}
33
34	36.1M	bool cbor_isa_string(const cbor_item_t* item) {
35	36.1M	return item->type == CBOR_TYPE_STRING;
36	36.1M	}
37
38	353M	bool cbor_isa_array(const cbor_item_t* item) {
39	353M	return item->type == CBOR_TYPE_ARRAY;
40	353M	}
41
42	36.3M	bool cbor_isa_map(const cbor_item_t* item) {
43	36.3M	return item->type == CBOR_TYPE_MAP;
44	36.3M	}
45
46	2.16M	bool cbor_isa_tag(const cbor_item_t* item) {
47	2.16M	return item->type == CBOR_TYPE_TAG;
48	2.16M	}
49
50	90.3M	bool cbor_isa_float_ctrl(const cbor_item_t* item) {
51	90.3M	return item->type == CBOR_TYPE_FLOAT_CTRL;
52	90.3M	}
53
54	94.6M	cbor_type cbor_typeof(const cbor_item_t* item) { return item->type; }
55
56	279M	bool cbor_is_int(const cbor_item_t* item) {
57	279M	return cbor_isa_uint(item) \|\| cbor_isa_negint(item);
58	279M	}
59
60	6.04M	bool cbor_is_bool(const cbor_item_t* item) {
61	6.04M	return cbor_isa_float_ctrl(item) &&
62	6.04M	(cbor_ctrl_value(item) == CBOR_CTRL_FALSE \|\|
63	6.04M	cbor_ctrl_value(item) == CBOR_CTRL_TRUE);
64	6.04M	}
65
66	109k	bool cbor_is_null(const cbor_item_t* item) {
67	109k	return cbor_isa_float_ctrl(item) && cbor_ctrl_value(item) == CBOR_CTRL_NULL;
68	109k	}
69
70	139k	bool cbor_is_undef(const cbor_item_t* item) {
71	139k	return cbor_isa_float_ctrl(item) && cbor_ctrl_value(item) == CBOR_CTRL_UNDEF;
72	139k	}
73
74	681k	bool cbor_is_float(const cbor_item_t* item) {
75	681k	return cbor_isa_float_ctrl(item) && !cbor_float_ctrl_is_ctrl(item);
76	681k	}
77
78	85.8M	cbor_item_t* cbor_incref(cbor_item_t* item) {
79	85.8M	item->refcount++;
80	85.8M	return item;
81	85.8M	}
82
83	131M	void cbor_decref(cbor_item_t** item_ref) {
84	131M	cbor_item_t* item = *item_ref;
85	131M	CBOR_ASSERT(item->refcount > 0);
86	131M	if (--item->refcount == 0) {
87	65.9M	switch (item->type) {
88	31.3M	case CBOR_TYPE_UINT:
89		/* Fallthrough */
90	33.4M	case CBOR_TYPE_NEGINT:
91		/* Combined allocation, freeing the item suffices */
92	33.4M	{ break; }
93	1.41M	case CBOR_TYPE_BYTESTRING: {
94	1.41M	if (cbor_bytestring_is_definite(item)) {
95	1.40M	_cbor_free(item->data);
96	1.40M	} else {
97		/* We need to decref all chunks */
98	7.56k	cbor_item_t** handle = cbor_bytestring_chunks_handle(item);
99	1.35M	for (size_t i = 0; i < cbor_bytestring_chunk_count(item); i++)
100	1.34M	cbor_decref(&handle[i]);
101	7.56k	_cbor_free(((struct cbor_indefinite_string_data*)item->data)->chunks);
102	7.56k	_cbor_free(item->data);
103	7.56k	}
104	1.41M	break;
105	31.3M	}
106	1.78M	case CBOR_TYPE_STRING: {
107	1.78M	if (cbor_string_is_definite(item)) {
108	1.75M	_cbor_free(item->data);
109	1.75M	} else {
110		/* We need to decref all chunks */
111	29.0k	cbor_item_t** handle = cbor_string_chunks_handle(item);
112	1.71M	for (size_t i = 0; i < cbor_string_chunk_count(item); i++)
113	1.68M	cbor_decref(&handle[i]);
114	29.0k	_cbor_free(((struct cbor_indefinite_string_data*)item->data)->chunks);
115	29.0k	_cbor_free(item->data);
116	29.0k	}
117	1.78M	break;
118	31.3M	}
119	18.9M	case CBOR_TYPE_ARRAY: {
120		/* Get all items and decref them */
121	18.9M	cbor_item_t** handle = cbor_array_handle(item);
122	18.9M	size_t size = cbor_array_size(item);
123	72.9M	for (size_t i = 0; i < size; i++)
124	54.0M	if (handle[i] != NULL) cbor_decref(&handle[i]);
125	18.9M	_cbor_free(item->data);
126	18.9M	break;
127	31.3M	}
128	128k	case CBOR_TYPE_MAP: {
129	128k	struct cbor_pair* handle = cbor_map_handle(item);
130	4.28M	for (size_t i = 0; i < item->metadata.map_metadata.end_ptr;
131	4.15M	i++, handle++) {
132	4.15M	cbor_decref(&handle->key);
133	4.15M	if (handle->value != NULL) cbor_decref(&handle->value);
134	4.15M	}
135	128k	_cbor_free(item->data);
136	128k	break;
137	31.3M	}
138	471k	case CBOR_TYPE_TAG: {
139	471k	if (item->metadata.tag_metadata.tagged_item != NULL)
140	447k	cbor_decref(&item->metadata.tag_metadata.tagged_item);
141	471k	_cbor_free(item->data);
142	471k	break;
143	31.3M	}
144	9.75M	case CBOR_TYPE_FLOAT_CTRL: {
145		/* Floats have combined allocation */
146	9.75M	break;
147	31.3M	}
148	65.9M	}
149	65.9M	_cbor_free(item);
150	65.9M	*item_ref = NULL;
151	65.9M	}
152	131M	}
153
154	0	void cbor_intermediate_decref(cbor_item_t* item) { cbor_decref(&item); }
155
156	0	size_t cbor_refcount(const cbor_item_t* item) { return item->refcount; }
157
158	20.0M	cbor_item_t* cbor_move(cbor_item_t* item) {
159	20.0M	item->refcount--;
160	20.0M	return item;
161	20.0M	}

Coverage Report

Created: 2025-03-25 06:24