| File: | src/lib/libcbor/src/cbor/strings.c |
| Warning: | line 30, column 15 Result of 'malloc' is converted to a pointer of type 'unsigned char', which is incompatible with sizeof operand type 'struct cbor_indefinite_string_data' |
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| 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 "strings.h" |
| 9 | #include <string.h> |
| 10 | #include "internal/memory_utils.h" |
| 11 | |
| 12 | cbor_item_t *cbor_new_definite_string(void) { |
| 13 | cbor_item_t *item = _cbor_mallocmalloc(sizeof(cbor_item_t)); |
| 14 | _CBOR_NOTNULL(item)do { if (item == ((void *)0)) { return ((void *)0); } } while (0); |
| 15 | *item = (cbor_item_t){ |
| 16 | .refcount = 1, |
| 17 | .type = CBOR_TYPE_STRING, |
| 18 | .metadata = {.string_metadata = {_CBOR_METADATA_DEFINITE, 0}}}; |
| 19 | return item; |
| 20 | } |
| 21 | |
| 22 | cbor_item_t *cbor_new_indefinite_string(void) { |
| 23 | cbor_item_t *item = _cbor_mallocmalloc(sizeof(cbor_item_t)); |
| 24 | _CBOR_NOTNULL(item)do { if (item == ((void *)0)) { return ((void *)0); } } while (0); |
| 25 | *item = (cbor_item_t){ |
| 26 | .refcount = 1, |
| 27 | .type = CBOR_TYPE_STRING, |
| 28 | .metadata = {.string_metadata = {.type = _CBOR_METADATA_INDEFINITE, |
| 29 | .length = 0}}, |
| 30 | .data = _cbor_mallocmalloc(sizeof(struct cbor_indefinite_string_data))}; |
Result of 'malloc' is converted to a pointer of type 'unsigned char', which is incompatible with sizeof operand type 'struct cbor_indefinite_string_data' | |
| 31 | _CBOR_DEPENDENT_NOTNULL(item, item->data)do { if (item->data == ((void *)0)) { free(item); return ( (void *)0); } } while (0); |
| 32 | *((struct cbor_indefinite_string_data *)item->data) = |
| 33 | (struct cbor_indefinite_string_data){ |
| 34 | .chunk_count = 0, |
| 35 | .chunk_capacity = 0, |
| 36 | .chunks = NULL((void *)0), |
| 37 | }; |
| 38 | return item; |
| 39 | } |
| 40 | |
| 41 | cbor_item_t *cbor_build_string(const char *val) { |
| 42 | cbor_item_t *item = cbor_new_definite_string(); |
| 43 | _CBOR_NOTNULL(item)do { if (item == ((void *)0)) { return ((void *)0); } } while (0); |
| 44 | size_t len = strlen(val); |
| 45 | unsigned char *handle = _cbor_mallocmalloc(len); |
| 46 | _CBOR_DEPENDENT_NOTNULL(item, handle)do { if (handle == ((void *)0)) { free(item); return ((void * )0); } } while (0); |
| 47 | memcpy(handle, val, len); |
| 48 | cbor_string_set_handle(item, handle, len); |
| 49 | return item; |
| 50 | } |
| 51 | |
| 52 | cbor_item_t *cbor_build_stringn(const char *val, size_t length) { |
| 53 | cbor_item_t *item = cbor_new_definite_string(); |
| 54 | _CBOR_NOTNULL(item)do { if (item == ((void *)0)) { return ((void *)0); } } while (0); |
| 55 | unsigned char *handle = _cbor_mallocmalloc(length); |
| 56 | _CBOR_DEPENDENT_NOTNULL(item, handle)do { if (handle == ((void *)0)) { free(item); return ((void * )0); } } while (0); |
| 57 | memcpy(handle, val, length); |
| 58 | cbor_string_set_handle(item, handle, length); |
| 59 | return item; |
| 60 | } |
| 61 | |
| 62 | void cbor_string_set_handle(cbor_item_t *item, |
| 63 | cbor_mutable_data CBOR_RESTRICT_POINTERrestrict data, |
| 64 | size_t length) { |
| 65 | CBOR_ASSERT(cbor_isa_string(item)); |
| 66 | CBOR_ASSERT(cbor_string_is_definite(item)); |
| 67 | item->data = data; |
| 68 | item->metadata.string_metadata.length = length; |
| 69 | } |
| 70 | |
| 71 | cbor_item_t **cbor_string_chunks_handle(const cbor_item_t *item) { |
| 72 | CBOR_ASSERT(cbor_isa_string(item)); |
| 73 | CBOR_ASSERT(cbor_string_is_indefinite(item)); |
| 74 | return ((struct cbor_indefinite_string_data *)item->data)->chunks; |
| 75 | } |
| 76 | |
| 77 | size_t cbor_string_chunk_count(const cbor_item_t *item) { |
| 78 | CBOR_ASSERT(cbor_isa_string(item)); |
| 79 | CBOR_ASSERT(cbor_string_is_indefinite(item)); |
| 80 | return ((struct cbor_indefinite_string_data *)item->data)->chunk_count; |
| 81 | } |
| 82 | |
| 83 | bool_Bool cbor_string_add_chunk(cbor_item_t *item, cbor_item_t *chunk) { |
| 84 | CBOR_ASSERT(cbor_isa_string(item)); |
| 85 | CBOR_ASSERT(cbor_string_is_indefinite(item)); |
| 86 | struct cbor_indefinite_string_data *data = |
| 87 | (struct cbor_indefinite_string_data *)item->data; |
| 88 | if (data->chunk_count == data->chunk_capacity) { |
| 89 | if (!_cbor_safe_to_multiply(CBOR_BUFFER_GROWTH2, data->chunk_capacity)) { |
| 90 | return false0; |
| 91 | } |
| 92 | |
| 93 | size_t new_chunk_capacity = |
| 94 | data->chunk_capacity == 0 ? 1 |
| 95 | : CBOR_BUFFER_GROWTH2 * (data->chunk_capacity); |
| 96 | cbor_item_t **new_chunks_data = _cbor_realloc_multiple( |
| 97 | data->chunks, sizeof(cbor_item_t *), new_chunk_capacity); |
| 98 | |
| 99 | if (new_chunks_data == NULL((void *)0)) { |
| 100 | return false0; |
| 101 | } |
| 102 | |
| 103 | data->chunk_capacity = new_chunk_capacity; |
| 104 | data->chunks = new_chunks_data; |
| 105 | } |
| 106 | data->chunks[data->chunk_count++] = cbor_incref(chunk); |
| 107 | return true1; |
| 108 | } |
| 109 | |
| 110 | size_t cbor_string_length(const cbor_item_t *item) { |
| 111 | CBOR_ASSERT(cbor_isa_string(item)); |
| 112 | return item->metadata.string_metadata.length; |
| 113 | } |
| 114 | |
| 115 | unsigned char *cbor_string_handle(const cbor_item_t *item) { |
| 116 | CBOR_ASSERT(cbor_isa_string(item)); |
| 117 | return item->data; |
| 118 | } |
| 119 | |
| 120 | size_t cbor_string_codepoint_count(const cbor_item_t *item) { |
| 121 | CBOR_ASSERT(cbor_isa_string(item)); |
| 122 | return item->metadata.string_metadata.codepoint_count; |
| 123 | } |
| 124 | |
| 125 | bool_Bool cbor_string_is_definite(const cbor_item_t *item) { |
| 126 | CBOR_ASSERT(cbor_isa_string(item)); |
| 127 | return item->metadata.string_metadata.type == _CBOR_METADATA_DEFINITE; |
| 128 | } |
| 129 | |
| 130 | bool_Bool cbor_string_is_indefinite(const cbor_item_t *item) { |
| 131 | return !cbor_string_is_definite(item); |
| 132 | } |