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add nullptr check

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This commit is contained in:
proddy
2025-10-05 15:35:03 +02:00
parent 01e7d9b027
commit 4d829b0b78
1 changed files with 6 additions and 1 deletions
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7
src/core/command.cpp
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@@ -292,6 +292,10 @@ const char * Command::parse_command_string(const char * command, int8_t & id) {
// check if command string contains an attribute and returns it
const char * Command::get_attribute(const char * cmd) {
if (cmd == nullptr) {
return nullptr;
}
char * breakp = (char *)strchr(cmd, '/');
if (breakp) {
*breakp = '\0';
@@ -318,7 +322,7 @@ bool Command::get_attribute(JsonObject output, const char * cmd, const char * at
// attribute isn't found
// it could be a value command, but the value doesn't exist?
if (strcmp(attribute, "value") == 0) {
if (strncmp(attribute, "value", 5) == 0) {
LOG_DEBUG("%s has no value set", cmd);
return false; // fail
}
@@ -326,6 +330,7 @@ bool Command::get_attribute(JsonObject output, const char * cmd, const char * at
char error[100];
snprintf(error, sizeof(error), "no attribute '%s' in %s", attribute, cmd);
output["message"] = error;
return false; // fail
}