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Use C++ language supported 'nullptr' (#13944)

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This commit is contained in:
Scott Lahteine
2019-05-09 11:45:55 -05:00
committed by GitHub
parent e53d7e5517
commit ad4ffa1d2f
70 changed files with 670 additions and 668 deletions
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20
Marlin/src/gcode/queue.cpp
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@ -76,11 +76,11 @@ static int serial_count[NUM_SERIAL] = { 0 };
bool send_ok[BUFSIZE];
/**
* Next Injected Command pointer. NULL if no commands are being injected.
* Next Injected Command pointer. nullptr if no commands are being injected.
* Used by Marlin internally to ensure that commands initiated from within
* are enqueued ahead of any pending serial or sd card commands.
*/
static PGM_P injected_commands_P = NULL;
static PGM_P injected_commands_P = nullptr;
void queue_setup() {
// Send "ok" after commands by default
@ -157,7 +157,7 @@ bool enqueue_and_echo_command(const char* cmd) {
* Return true if any immediate commands remain to inject.
*/
static bool drain_injected_commands_P() {
if (injected_commands_P != NULL) {
if (injected_commands_P != nullptr) {
size_t i = 0;
char c, cmd[60];
strncpy_P(cmd, injected_commands_P, sizeof(cmd) - 1);
@ -165,9 +165,9 @@ static bool drain_injected_commands_P() {
while ((c = cmd[i]) && c != '\n') i++; // find the end of this gcode command
cmd[i] = '\0';
if (enqueue_and_echo_command(cmd)) // success?
injected_commands_P = c ? injected_commands_P + i + 1 : NULL; // next command or done
injected_commands_P = c ? injected_commands_P + i + 1 : nullptr; // next command or done
}
return (injected_commands_P != NULL); // return whether any more remain
return (injected_commands_P != nullptr); // return whether any more remain
}
/**
@ -597,18 +597,18 @@ inline void get_serial_commands() {
char* command = serial_line_buffer[i];
while (*command == ' ') command++; // Skip leading spaces
char *npos = (*command == 'N') ? command : NULL; // Require the N parameter to start the line
char *npos = (*command == 'N') ? command : nullptr; // Require the N parameter to start the line
if (npos) {
bool M110 = strstr_P(command, PSTR("M110")) != NULL;
bool M110 = strstr_P(command, PSTR("M110")) != nullptr;
if (M110) {
char* n2pos = strchr(command + 4, 'N');
if (n2pos) npos = n2pos;
}
gcode_N = strtol(npos + 1, NULL, 10);
gcode_N = strtol(npos + 1, nullptr, 10);
if (gcode_N != gcode_LastN + 1 && !M110)
return gcode_line_error(PSTR(MSG_ERR_LINE_NO), i);
@ -617,7 +617,7 @@ inline void get_serial_commands() {
if (apos) {
uint8_t checksum = 0, count = uint8_t(apos - command);
while (count) checksum ^= command[--count];
if (strtol(apos + 1, NULL, 10) != checksum)
if (strtol(apos + 1, nullptr, 10) != checksum)
return gcode_line_error(PSTR(MSG_ERR_CHECKSUM_MISMATCH), i);
}
else
@ -635,7 +635,7 @@ inline void get_serial_commands() {
if (IsStopped()) {
char* gpos = strchr(command, 'G');
if (gpos) {
switch (strtol(gpos + 1, NULL, 10)) {
switch (strtol(gpos + 1, nullptr, 10)) {
case 0:
case 1:
#if ENABLED(ARC_SUPPORT)