[openocd-svn] Main OpenOCD repository branch, master, updated. v0.3.0-154-g5e1b500

[Zach W. <zw...@us...>]

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- Log -----------------------------------------------------------------
commit 5e1b500b173c7abaf9b78e32d31140c1bd4ba090
Author: Zachary T Welch <zw...@su...>
Date:   Tue Nov 10 23:10:26 2009 -0800

    fix 'jtag interface' behavior
    
    Without this patch, running "openocd -c 'jtag interface'" segfaults.
    Now, it returns the string "undefined" when the interface is unset.

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index 71efc8b..b86e006 100644
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -422,7 +422,8 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 			Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
 			return JIM_ERR;
 		}
-		Jim_SetResultString(goi.interp, jtag_interface->name, -1);
+		const char *name = jtag_interface ? jtag_interface->name : NULL;
+		Jim_SetResultString(goi.interp, name ? : "undefined", -1);
 		return JIM_OK;
 	case JTAG_CMD_INIT:
 		if (goi.argc != 0) {

-----------------------------------------------------------------------

Summary of changes:
 src/jtag/tcl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


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