Task #119097 - fixed.err
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Error: COMPILER_WARNING (CWE-252):
libcbor-0.13.0/examples/cbor_sequence.c: scope_hint: In function ‘read_cbor_sequence’
libcbor-0.13.0/examples/cbor_sequence.c:68:3: warning[-Wunused-result]: ignoring return value of ‘fread’ declared with attribute ‘warn_unused_result’
# 68 | fread(buffer, 1, file_size, file);
# | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 66| }
# 67|
# 68|-> fread(buffer, 1, file_size, file);
# 69| fclose(file);
# 70|
Error: CPPCHECK_WARNING (CWE-476):
libcbor-0.13.0/examples/readfile.c:29: warning[nullPointerOutOfMemory]: If memory allocation fails, then there is a possible null pointer dereference: buffer
# 27| fseek(f, 0, SEEK_SET);
# 28| unsigned char* buffer = malloc(length);
# 29|-> fread(buffer, length, 1, f);
# 30|
# 31| /* Assuming `buffer` contains `length` bytes of input data */
Error: COMPILER_WARNING (CWE-252):
libcbor-0.13.0/examples/readfile.c: scope_hint: In function ‘main’
libcbor-0.13.0/examples/readfile.c:29:3: warning[-Wunused-result]: ignoring return value of ‘fread’ declared with attribute ‘warn_unused_result’
# 29 | fread(buffer, length, 1, f);
# | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
# 27| fseek(f, 0, SEEK_SET);
# 28| unsigned char* buffer = malloc(length);
# 29|-> fread(buffer, length, 1, f);
# 30|
# 31| /* Assuming `buffer` contains `length` bytes of input data */
Error: COMPILER_WARNING (CWE-252):
libcbor-0.13.0/examples/streaming_array.c: scope_hint: In function ‘main’
libcbor-0.13.0/examples/streaming_array.c:34:3: warning[-Wunused-result]: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’
# 34 | scanf(argv[1], "%zu", &n);
# | ^~~~~~~~~~~~~~~~~~~~~~~~~
# 32| if (argc != 2) usage();
# 33| size_t n;
# 34|-> scanf(argv[1], "%zu", &n);
# 35| out = freopen(NULL, "wb", stdout);
# 36| if (!out) exit(1);
Error: CPPCHECK_WARNING (CWE-476):
libcbor-0.13.0/examples/streaming_parser.c:44: warning[nullPointerOutOfMemory]: If memory allocation fails, then there is a possible null pointer dereference: buffer
# 42| fseek(f, 0, SEEK_SET);
# 43| unsigned char* buffer = malloc(length);
# 44|-> fread(buffer, length, 1, f);
# 45|
# 46| struct cbor_callbacks callbacks = cbor_empty_callbacks;
Error: COMPILER_WARNING (CWE-252):
libcbor-0.13.0/examples/streaming_parser.c: scope_hint: In function ‘main’
libcbor-0.13.0/examples/streaming_parser.c:44:3: warning[-Wunused-result]: ignoring return value of ‘fread’ declared with attribute ‘warn_unused_result’
# 44 | fread(buffer, length, 1, f);
# | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
# 42| fseek(f, 0, SEEK_SET);
# 43| unsigned char* buffer = malloc(length);
# 44|-> fread(buffer, length, 1, f);
# 45|
# 46| struct cbor_callbacks callbacks = cbor_empty_callbacks;
Error: CPPCHECK_WARNING (CWE-682):
libcbor-0.13.0/examples/streaming_parser.c:51: error[nullPointerArithmeticOutOfMemory]: If memory allocation fails: pointer addition with NULL pointer.
# 49| callbacks.string = find_string;
# 50| while (bytes_read < length) {
# 51|-> decode_result = cbor_stream_decode(buffer + bytes_read, length - bytes_read,
# 52| &callbacks, NULL);
# 53| bytes_read += decode_result.read;