Add exec command

src/console/console.c

@@ -13,6 +13,7 @@
 #include "console/cmd/cmdecho.h"
 #include "console/cmd/cmdset.h"
 #include "console/cmd/cmdget.h"
+#include "console/cmd/cmdexec.h"
 #include "input/input.h"
 
 console_t CONSOLE;
@@ -25,6 +26,7 @@ void consoleInit() {
   CONSOLE.cmdSet = consoleRegCmd("set", cmdSet);
   consoleRegCmd("quit", cmdQuit);
   consoleRegCmd("echo", cmdEcho);
+  consoleRegCmd("exec", cmdExec);
 
   consolePrint(" = Dawn Console = ");
 
@@ -316,19 +318,36 @@ void consoleUpdate() {
     CONSOLE.visible = !CONSOLE.visible;
   }
 
-  // Exec pending buffer.
-  for(uint32_t i = 0; i < CONSOLE.execBufferCount; i++) {
-    consolecmdexec_t *exec = &CONSOLE.execBuffer[i];
-    assertNotNull(exec->cmd, "Command execution has no command.");
-    exec->cmd->function(exec);
+  // Anything to exec?
+  if(CONSOLE.execBufferCount == 0) {
+    #if CONSOLE_POSIX
+      threadMutexUnlock(&CONSOLE.execMutex);
+    #endif
+    return;
   }
 
-  // Clear the exec buffer
-  CONSOLE.execBufferCount = 0;
+  // Copy the exec buffer, this allows exec command to work
+  consolecmdexec_t execBuffer[CONSOLE_EXEC_BUFFER_MAX];
+  uint32_t execBufferCount = CONSOLE.execBufferCount;
+  memoryCopy(
+    execBuffer,
+    CONSOLE.execBuffer,
+    sizeof(consolecmdexec_t) * execBufferCount
+  );
 
+  // Clear the exec buffer and unlock so new commands can be added while we
+  // process the current ones.
+  CONSOLE.execBufferCount = 0;
   #if CONSOLE_POSIX
     threadMutexUnlock(&CONSOLE.execMutex);
   #endif
+
+  // Exec pending buffer.
+  for(uint32_t i = 0; i < execBufferCount; i++) {
+    consolecmdexec_t *exec = &execBuffer[i];
+    assertNotNull(exec->cmd, "Command execution has no command.");
+    exec->cmd->function(exec);
+  }
 }
 
 void consoleDispose(void) {