- Fixing two compiler warnings

- Reducing  stack usage for recursive scripts
- Do not exit on bogus arguments to reset_config. No longer exit the application upon bogus arguments to reset_config, but return errors.

thanks to Øyvind Harboe for these patches.

git-svn-id: svn://svn.berlios.de/openocd/trunk@226 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/at91sam7.c

@@ -674,7 +674,7 @@ int at91sam7_erase(struct flash_bank_s *bank, int first, int last)
 
 int at91sam7_protect(struct flash_bank_s *bank, int set, int first, int last)
 {
-	u32 cmd, pagen, status;
+	u32 cmd, pagen;
 	u8 flashplane;
 	int lockregion;
 	

src/flash/cfi.c

@@ -2046,7 +2046,7 @@ int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size)
 	int printed;
 	cfi_flash_bank_t *cfi_info = bank->driver_priv;
 
-	if (cfi_info->qry[0] == -1)
+	if (cfi_info->qry[0] == (char)-1)
 	{
 		printed = snprintf(buf, buf_size, "\ncfi flash bank not probed yet\n");
 		return ERROR_OK;

src/helper/command.c

@@ -383,7 +383,11 @@ int command_run_file(command_context_t *context, FILE *file, enum command_mode m
 {
 	int retval = ERROR_OK;
 	int old_command_mode;
-	char buffer[4096];
+	char *buffer=malloc(4096);
+	if (buffer==NULL)
+	{
+		return ERROR_INVALID_ARGUMENTS;
+	}
 	
 	old_command_mode = context->mode;
 	context->mode = mode;
@@ -422,6 +426,9 @@ int command_run_file(command_context_t *context, FILE *file, enum command_mode m
 	}
 	
 	context->mode = old_command_mode;
+
+	
+	free(buffer);
 	
 	return retval;
 }

src/jtag/jtag.c

@@ -1446,7 +1446,8 @@ int jtag_init(struct command_context_s *cmd_ctx)
 					if (validate_tries > 5)
 					{
 						ERROR("Could not validate JTAG chain, exit");
-						exit(-1);
+						jtag = NULL;
+						return ERROR_JTAG_INVALID_INTERFACE;
 					}
 					usleep(10000);
 				}
@@ -1568,8 +1569,9 @@ int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, ch
 			jtag_reset_config = RESET_TRST_AND_SRST;
 		else
 		{
-			ERROR("invalid reset_config argument");
+			ERROR("invalid reset_config argument, defaulting to none");
-			exit(-1);
+			jtag_reset_config = RESET_NONE;
+			return ERROR_INVALID_ARGUMENTS;
 		}
 	}
 	
@@ -1585,8 +1587,9 @@ int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, ch
 			jtag_reset_config &= ~(RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST);
 		else
 		{
-			ERROR("invalid reset_config argument");
+			ERROR("invalid reset_config argument, defaulting to none");
-			exit(-1);
+			jtag_reset_config = RESET_NONE;
+			return ERROR_INVALID_ARGUMENTS;
 		}
 	}
 	
@@ -1598,8 +1601,9 @@ int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, ch
 			jtag_reset_config &= ~RESET_TRST_OPEN_DRAIN;
 		else
 		{
-			ERROR("invalid reset_config argument");
+			ERROR("invalid reset_config argument, defaulting to none");
-			exit(-1);
+			jtag_reset_config = RESET_NONE;
+			return ERROR_INVALID_ARGUMENTS;
 		}
 	}
 
@@ -1611,8 +1615,9 @@ int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, ch
 			jtag_reset_config &= ~RESET_SRST_PUSH_PULL;
 		else
 		{
-			ERROR("invalid reset_config argument");
+			ERROR("invalid reset_config argument, defaulting to none");
-			exit(-1);
+			jtag_reset_config = RESET_NONE;
+			return ERROR_INVALID_ARGUMENTS;
 		}
 	}