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Removed all occurences of pgm_read_byte #172

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Removed all occurences of pgm_read_byte #172

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7dc8f5e
Removed all occurences of pgm_read_byte
eutill Mar 29, 2020
fc93f79
Changed null-termination check to usual form
eutill Apr 9, 2021
ac3d563
Merge branch 'adafruit:master' into remove-pgm_read_byte
eutill May 5, 2025
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14 changes: 7 additions & 7 deletions Adafruit_MQTT.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -693,7 +693,7 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
p[0] = MQTT_CONN_CLEANSESSION;

// set the will flags if needed
if (will_topic && pgm_read_byte(will_topic) != 0) {
if (will_topic && will_topic[0] != 0) {

p[0] |= MQTT_CONN_WILLFLAG;

Expand All @@ -706,9 +706,9 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
p[0] |= MQTT_CONN_WILLRETAIN;
}

if (pgm_read_byte(username) != 0)
if (username[0] != 0)
p[0] |= MQTT_CONN_USERNAMEFLAG;
if (pgm_read_byte(password) != 0)
if (password[0] != 0)
p[0] |= MQTT_CONN_PASSWORDFLAG;
p++;

Expand All @@ -720,7 +720,7 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
if (MQTT_PROTOCOL_LEVEL == 3) {
p = stringprint(p, clientid, 23); // Limit client ID to first 23 characters.
} else {
if (pgm_read_byte(clientid) != 0) {
if (clientid[0] != 0) {
p = stringprint(p, clientid);
} else {
p[0] = 0x0;
Expand All @@ -731,15 +731,15 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
}
}

if (will_topic && pgm_read_byte(will_topic) != 0) {
if (will_topic && will_topic[0] != 0) {
p = stringprint(p, will_topic);
p = stringprint(p, will_payload);
}

if (pgm_read_byte(username) != 0) {
if (username[0] != 0) {
p = stringprint(p, username);
}
if (pgm_read_byte(password) != 0) {
if (password[0] != 0) {
p = stringprint(p, password);
}

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