1 files changed, 32 insertions, 6 deletions

diff --git a/sys/contrib/dev/acpica/components/debugger/dbhistry.c b/sys/contrib/dev/acpica/components/debugger/dbhistry.c
index 0e05e14..4a97ba4 100644
--- a/sys/contrib/dev/acpica/components/debugger/dbhistry.c
+++ b/sys/contrib/dev/acpica/components/debugger/dbhistry.c
@@ -54,12 +54,12 @@
 
 #define HI_NO_HISTORY       0
 #define HI_RECORD_HISTORY   1
-#define HISTORY_SIZE        20
+#define HISTORY_SIZE        40
 
 
 typedef struct HistoryInfo
 {
-    char                    Command[80];
+    char                    *Command;
     UINT32                  CmdNum;
 
 } HISTORY_INFO;
@@ -88,13 +88,35 @@ void
 AcpiDbAddToHistory (
     char                    *CommandLine)
 {
+    UINT16                  CmdLen;
+    UINT16                  BufferLen;
 
     /* Put command into the next available slot */
 
+    CmdLen = (UINT16) ACPI_STRLEN (CommandLine);
+    if (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command != NULL)
+    {
+        BufferLen = (UINT16) ACPI_STRLEN (
+            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command);
+        if (CmdLen > BufferLen)
+        {
+            AcpiOsFree (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].
+                Command);
+            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
+                AcpiOsAllocate (CmdLen + 1);
+        }
+    }
+    else
+    {
+        AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
+            AcpiOsAllocate (CmdLen + 1);
+    }
+
     ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command,
         CommandLine);
 
-    AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum;
+    AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum =
+        AcpiGbl_NextCmdNum;
 
     /* Adjust indexes */
 
@@ -148,8 +170,12 @@ AcpiDbDisplayHistory (
 
     for (i = 0; i < AcpiGbl_NumHistory; i++)
     {
-        AcpiOsPrintf ("%ld  %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum,
-                                   AcpiGbl_HistoryBuffer[HistoryIndex].Command);
+        if (AcpiGbl_HistoryBuffer[HistoryIndex].Command)
+        {
+            AcpiOsPrintf ("%3ld  %s\n",
+                AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum,
+                AcpiGbl_HistoryBuffer[HistoryIndex].Command);
+        }
 
         HistoryIndex++;
         if (HistoryIndex >= HISTORY_SIZE)
@@ -199,7 +225,7 @@ AcpiDbGetFromHistory (
     {
         if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum)
         {
-            /* Found the commnad, return it */
+            /* Found the command, return it */
 
             return (AcpiGbl_HistoryBuffer[HistoryIndex].Command);
         }