judsonupchurch/nanoMODBUS
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Changes for SDCC 3.9.0 compatibility

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This commit is contained in:
Valerio De Benedetto 2023-07-03 16:47:26 +02:00
parent 92b95be241
commit a08d59c5f0
2 changed files with 10 additions and 10 deletions
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2
CMakeLists.txt
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@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.16)
project(nanomodbus C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -Wswitch-enum -Wcast-qual")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -Wswitch-enum -Wcast-qual -Woverflow")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")

18
nanomodbus.c
View File

@ -1142,14 +1142,14 @@ static nmbs_error handle_read_file_record(nmbs_t* nmbs) {
return err;
const uint8_t subreq_header_size = 7;
uint8_t subreq_count = request_size / subreq_header_size;
const uint8_t subreq_count = request_size / subreq_header_size;
struct {
uint8_t reference_type;
uint16_t file_number;
uint16_t record_number;
uint16_t record_length;
} subreq[subreq_count];
} subreq[35]; // 245 / subreq_header_size
uint8_t response_data_size = 0;
@ -1258,23 +1258,23 @@ static nmbs_error handle_write_file_record(nmbs_t* nmbs) {
do {
uint8_t subreq_reference_type = get_1(nmbs);
uint16_t subreq_file_number = get_2(nmbs);
uint16_t subreq_record_number = get_2(nmbs);
uint16_t subreq_record_length = get_2(nmbs);
discard_n(nmbs, subreq_record_length * 2);
uint16_t subreq_file_number_c = get_2(nmbs);
uint16_t subreq_record_number_c = get_2(nmbs);
uint16_t subreq_record_length_c = get_2(nmbs);
discard_n(nmbs, subreq_record_length_c * 2);
if (subreq_reference_type != 0x06)
return send_exception_msg(nmbs, NMBS_EXCEPTION_ILLEGAL_DATA_ADDRESS);
if (subreq_file_number == 0x0000)
if (subreq_file_number_c == 0x0000)
return send_exception_msg(nmbs, NMBS_EXCEPTION_ILLEGAL_DATA_ADDRESS);
if (subreq_record_number > 0x270F)
if (subreq_record_number_c > 0x270F)
return send_exception_msg(nmbs, NMBS_EXCEPTION_ILLEGAL_DATA_ADDRESS);
NMBS_DEBUG_PRINT("a %d\tr %d\tl %d\t fwrite ", subreq_file_number, subreq_record_number,
subreq_record_length);
size -= (subreq_header_size + subreq_record_length * 2);
size -= (subreq_header_size + subreq_record_length_c * 2);
} while (size >= subreq_header_size);
if (size)