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riscv-openocd
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fix 'jtag interface' behavior 

Without this patch, running "openocd -c 'jtag interface'" segfaults.
Now, it returns the string "undefined" when the interface is unset.
This commit is contained in:
Zachary T Welch 2009-11-10 23:10:26 -08:00
parent 158698e333
commit 5e1b500b17
1 changed files with 2 additions and 1 deletions
src/jtag
tcl.c

3
src/jtag/tcl.c
View File

@ -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)"); Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
return JIM_ERR; 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; return JIM_OK;
case JTAG_CMD_INIT: case JTAG_CMD_INIT:
if (goi.argc != 0) { if (goi.argc != 0) {