Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Improve dead code flagging #63

Closed
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 23 additions & 0 deletions nanomodbus.c
Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,13 @@ static void discard_1(nmbs_t* nmbs) {


#ifndef NMBS_SERVER_DISABLED
#if !defined(NMBS_SERVER_READ_FILE_RECORD_DISABLED) || \
!defined(NMBS_SERVER_WRITE_FILE_RECORD_DISABLED)
static void discard_n(nmbs_t* nmbs, uint16_t n) {
nmbs->msg.buf_idx += n;
}
#endif
#endif


static uint16_t get_2(nmbs_t* nmbs) {
Expand All @@ -79,6 +82,7 @@ static void put_2(nmbs_t* nmbs, uint16_t data) {


#ifndef NMBS_SERVER_DISABLED
#if !defined(NMBS_SERVER_READ_DEVICE_IDENTIFICATION_DISABLED)
static void set_1(nmbs_t* nmbs, uint8_t data, uint8_t index) {
nmbs->msg.buf[index] = data;
}
Expand All @@ -89,6 +93,7 @@ static void set_2(nmbs_t* nmbs, uint16_t data, uint8_t index) {
nmbs->msg.buf[index + 1] = (uint8_t) data;
}
#endif
#endif


static uint8_t* get_n(nmbs_t* nmbs, uint16_t n) {
Expand All @@ -99,12 +104,15 @@ static uint8_t* get_n(nmbs_t* nmbs, uint16_t n) {


#ifndef NMBS_SERVER_DISABLED
#if !defined(NMBS_SERVER_READ_DEVICE_IDENTIFICATION_DISABLED)
static void put_n(nmbs_t* nmbs, const uint8_t* data, uint8_t size) {
memcpy(&nmbs->msg.buf[nmbs->msg.buf_idx], data, size);
nmbs->msg.buf_idx += size;
}
#endif


#if !defined(NMBS_SERVER_WRITE_FILE_RECORD_DISABLED)
static uint16_t* get_regs(nmbs_t* nmbs, uint16_t n) {
uint16_t* msg_buf_ptr = (uint16_t*) (nmbs->msg.buf + nmbs->msg.buf_idx);
nmbs->msg.buf_idx += n * 2;
Expand All @@ -114,6 +122,7 @@ static uint16_t* get_regs(nmbs_t* nmbs, uint16_t n) {
return msg_buf_ptr;
}
#endif
#endif


#ifndef NMBS_CLIENT_DISABLED
Expand Down Expand Up @@ -368,13 +377,15 @@ static void put_msg_header(nmbs_t* nmbs, uint16_t data_length) {


#ifndef NMBS_SERVER_DISABLED
#if !defined(NMBS_SERVER_READ_DEVICE_IDENTIFICATION_DISABLED)
static void set_msg_header_size(nmbs_t* nmbs, uint16_t data_length) {
if (nmbs->platform.transport == NMBS_TRANSPORT_TCP) {
data_length += 2;
set_2(nmbs, data_length, 4);
}
}
#endif
#endif


static nmbs_error send_msg(nmbs_t* nmbs) {
Expand Down Expand Up @@ -494,6 +505,11 @@ static void put_req_header(nmbs_t* nmbs, uint16_t data_length) {
#endif


#if !defined(NMBS_CLIENT_DISABLED) || \
(!defined(NMBS_SERVER_DISABLED) && ( \
!defined(NMBS_SERVER_READ_COILS_DISABLED) || \
!defined(NMBS_SERVER_READ_DISCRETE_INPUTS_DISABLED) \
))
static nmbs_error recv_read_discrete_res(nmbs_t* nmbs, nmbs_bitfield values) {
nmbs_error err = recv_res_header(nmbs);
if (err != NMBS_ERROR_NONE)
Expand Down Expand Up @@ -528,8 +544,14 @@ static nmbs_error recv_read_discrete_res(nmbs_t* nmbs, nmbs_bitfield values) {

return NMBS_ERROR_NONE;
}
#endif


#if !defined(NMBS_CLIENT_DISABLED) || \
(!defined(NMBS_SERVER_DISABLED) && ( \
!defined(NMBS_SERVER_READ_HOLDING_REGISTERS_DISABLED) || \
!defined(NMBS_SERVER_READ_INPUT_REGISTERS_DISABLED) \
))
static nmbs_error recv_read_registers_res(nmbs_t* nmbs, uint16_t quantity, uint16_t* registers) {
nmbs_error err = recv_res_header(nmbs);
if (err != NMBS_ERROR_NONE)
Expand Down Expand Up @@ -566,6 +588,7 @@ static nmbs_error recv_read_registers_res(nmbs_t* nmbs, uint16_t quantity, uint1

return NMBS_ERROR_NONE;
}
#endif


nmbs_error recv_write_single_coil_res(nmbs_t* nmbs, uint16_t address, uint16_t value_req) {
Expand Down
6 changes: 4 additions & 2 deletions nanomodbus.h
Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,8 @@ typedef struct nmbs_callbacks {
void* arg);
#endif

#ifndef NMBS_SERVER_READ_HOLDING_REGISTERS_DISABLED
#if !defined(NMBS_SERVER_READ_HOLDING_REGISTERS_DISABLED) || \
!defined(NMBS_SERVER_READ_WRITE_REGISTERS_DISABLED)
nmbs_error (*read_holding_registers)(uint16_t address, uint16_t quantity, uint16_t* registers_out, uint8_t unit_id,
void* arg);
#endif
Expand All @@ -194,7 +195,8 @@ typedef struct nmbs_callbacks {
void* arg);
#endif

#ifndef NMBS_SERVER_WRITE_MULTIPLE_REGISTERS_DISABLED
#if !defined(NMBS_SERVER_WRITE_MULTIPLE_REGISTERS_DISABLED) || \
!defined(NMBS_SERVER_READ_WRITE_REGISTERS_DISABLED)
nmbs_error (*write_multiple_registers)(uint16_t address, uint16_t quantity, const uint16_t* registers,
uint8_t unit_id, void* arg);
#endif
Expand Down
Loading