Index: trunk/src/action_act.c
===================================================================
--- trunk/src/action_act.c	(revision 3142)
+++ trunk/src/action_act.c	(revision 3143)
@@ -46,7 +46,7 @@
 
 %end-doc */
 
-int ActionExecuteFile(int argc, char **argv, Coord x, Coord y)
+int ActionExecuteFile(int argc, const char **argv, Coord x, Coord y)
 {
 	FILE *fp;
 	const char *fname;
Index: trunk/src/buffer.c
===================================================================
--- trunk/src/buffer.c	(revision 3142)
+++ trunk/src/buffer.c	(revision 3143)
@@ -483,7 +483,7 @@
 
 %end-doc */
 
-int LoadFootprint(int argc, char **argv, Coord x, Coord y)
+int LoadFootprint(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *name = ACTION_ARG(0);
 	const char *refdes = ACTION_ARG(1);
@@ -997,7 +997,7 @@
 
 %end-doc */
 
-int ActionFreeRotateBuffer(int argc, char **argv, Coord x, Coord y)
+int ActionFreeRotateBuffer(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *angle_s;
 
@@ -1302,7 +1302,7 @@
 
 %end-doc */
 
-static int ActionPasteBuffer(int argc, char **argv, Coord x, Coord y)
+static int ActionPasteBuffer(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *function = argc ? argv[0] : "";
 	const char *sbufnum = argc > 1 ? argv[1] : "";
Index: trunk/src/buffer.h
===================================================================
--- trunk/src/buffer.h	(revision 3142)
+++ trunk/src/buffer.h	(revision 3143)
@@ -51,6 +51,6 @@
 void *CopyObjectToBuffer(DataTypePtr, DataTypePtr, int, void *, void *, void *);
 
 /* This action is called from ActionElementAddIf() */
-int LoadFootprint(int argc, char **argv, Coord x, Coord y);
+int LoadFootprint(int argc, const char **argv, Coord x, Coord y);
 
 #endif
Index: trunk/src/change_act.c
===================================================================
--- trunk/src/change_act.c	(revision 3142)
+++ trunk/src/change_act.c	(revision 3143)
@@ -51,8 +51,8 @@
 #include "layer.h"
 
 static void ChangeFlag(const char *, const char *, int, const char *);
-static int ActionChangeSize(int argc, char **argv, Coord x, Coord y);
-static int ActionChange2ndSize(int argc, char **argv, Coord x, Coord y);
+static int ActionChangeSize(int argc, const char **argv, Coord x, Coord y);
+static int ActionChange2ndSize(int argc, const char **argv, Coord x, Coord y);
 
 /* --------------------------------------------------------------------------- */
 
@@ -71,11 +71,11 @@
 
 %end-doc */
 
-static int ActionChangeClearSize(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeClearSize(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *delta = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *delta = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	bool absolute;
 	Coord value;
 	int type = PCB_TYPE_NONE;
@@ -156,7 +156,7 @@
 
 %end-doc */
 
-static int ActionChangeFlag(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeFlag(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *function = ACTION_ARG(0);
 	const char *flag = ACTION_ARG(1);
@@ -264,9 +264,9 @@
 
 %end-doc */
 
-static int ActionChangeHole(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeHole(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -306,9 +306,9 @@
 
 %end-doc */
 
-static int ActionChangePaste(int argc, char **argv, Coord x, Coord y)
+static int ActionChangePaste(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -350,7 +350,7 @@
 with the same arguments. If any of them did not fail, return success.
 %end-doc */
 
-static int ActionChangeSizes(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeSizes(int argc, const char **argv, Coord x, Coord y)
 {
 	int a, b, c;
 	SaveUndoSerialNumber();
@@ -384,11 +384,11 @@
 
 %end-doc */
 
-static int ActionChangeSize(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeSize(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *delta = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *delta = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	bool absolute;								/* indicates if absolute size is given */
 	Coord value;
 	int type = PCB_TYPE_NONE, tostyle = 0;
@@ -486,11 +486,11 @@
 
 %end-doc */
 
-static int ActionChange2ndSize(int argc, char **argv, Coord x, Coord y)
+static int ActionChange2ndSize(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *delta = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *delta = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	int type = PCB_TYPE_NONE;
 	void *ptr1, *ptr2, *ptr3;
 
@@ -560,10 +560,10 @@
 
 %end-doc */
 
-static int ActionChangePinName(int argc, char **argv, Coord x, Coord y)
+static int ActionChangePinName(int argc, const char **argv, Coord x, Coord y)
 {
 	int changed = 0;
-	char *refdes, *pinnum, *pinname;
+	const char *refdes, *pinnum, *pinname;
 
 	if (argc != 3) {
 		AFAIL(changepinname);
@@ -647,10 +647,10 @@
 
 %end-doc */
 
-int ActionChangeName(int argc, char **argv, Coord x, Coord y)
+int ActionChangeName(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *pinnums = ACTION_ARG(1);
+	const char *function = ACTION_ARG(0);
+	const char *pinnums = ACTION_ARG(1);
 	char *name;
 	int pinnum;
 
@@ -728,9 +728,9 @@
 
 %end-doc */
 
-static int ActionChangeJoin(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeJoin(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -781,9 +781,9 @@
 
 %end-doc */
 
-static int ActionChangeNonetlist(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeNonetlist(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -827,9 +827,9 @@
 
 %end-doc */
 
-static int ActionChangeSquare(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeSquare(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -889,9 +889,9 @@
 
 %end-doc */
 
-static int ActionSetSquare(int argc, char **argv, Coord x, Coord y)
+static int ActionSetSquare(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function && *function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -941,9 +941,9 @@
 
 %end-doc */
 
-static int ActionClearSquare(int argc, char **argv, Coord x, Coord y)
+static int ActionClearSquare(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function && *function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -992,9 +992,9 @@
 
 %end-doc */
 
-static int ActionChangeOctagon(int argc, char **argv, Coord x, Coord y)
+static int ActionChangeOctagon(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -1047,9 +1047,9 @@
 
 %end-doc */
 
-static int ActionSetOctagon(int argc, char **argv, Coord x, Coord y)
+static int ActionSetOctagon(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -1103,9 +1103,9 @@
 
 %end-doc */
 
-static int ActionClearOctagon(int argc, char **argv, Coord x, Coord y)
+static int ActionClearOctagon(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_ToggleObject:
@@ -1176,10 +1176,10 @@
 to connect with. However, they will have no effect without the polygon.
 %end-doc */
 
-static int ActionSetThermal(int argc, char **argv, Coord x, Coord y)
+static int ActionSetThermal(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *style = ACTION_ARG(1);
+	const char *function = ACTION_ARG(0);
+	const char *style = ACTION_ARG(1);
 	void *ptr1, *ptr2, *ptr3;
 	int type, kind;
 	int err = 0;
@@ -1242,10 +1242,10 @@
 
 %end-doc */
 
-static int ActionSetFlag(int argc, char **argv, Coord x, Coord y)
+static int ActionSetFlag(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *flag = ACTION_ARG(1);
+	const char *function = ACTION_ARG(0);
+	const char *flag = ACTION_ARG(1);
 	ChangeFlag(function, flag, 1, "SetFlag");
 	return 0;
 }
@@ -1271,10 +1271,10 @@
 
 %end-doc */
 
-static int ActionClrFlag(int argc, char **argv, Coord x, Coord y)
+static int ActionClrFlag(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *flag = ACTION_ARG(1);
+	const char *function = ACTION_ARG(0);
+	const char *flag = ACTION_ARG(1);
 	ChangeFlag(function, flag, 0, "ClrFlag");
 	return 0;
 }
@@ -1311,11 +1311,11 @@
 
 %end-doc */
 
-static int ActionSetValue(int argc, char **argv, Coord x, Coord y)
+static int ActionSetValue(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *val = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *val = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	bool absolute;								/* flag for 'absolute' value */
 	double value;
 	int err = 0;
Index: trunk/src/conf_act.c
===================================================================
--- trunk/src/conf_act.c	(revision 3142)
+++ trunk/src/conf_act.c	(revision 3143)
@@ -42,12 +42,12 @@
 static const char conf_help[] = "Perform various operations on the configuration tree.";
 
 extern lht_doc_t *conf_root[];
-static int ActionConf(int argc, char **argv, Coord x, Coord y)
+static int ActionConf(int argc, const char **argv, Coord x, Coord y)
 {
-	char *cmd = argc > 0 ? argv[0] : 0;
+	const char *cmd = argc > 0 ? argv[0] : 0;
 
 	if (NSTRCMP(cmd, "set") == 0) {
-		char *path, *val;
+		const char *path, *val;
 		conf_policy_t pol = POL_OVERWRITE;
 		conf_role_t role = CFR_invalid;
 		int res;
@@ -152,7 +152,7 @@
 /*------------ get/chk (check flag actions for menus) ------------------*/
 static const char GetStyle_syntax[] = "GetStyle()" ;
 static const char GetStyle_help[] = "Return integer index (>=0) of the currently active style or -1 if no style is selected (== custom style)";
-static int ActionGetStyle(int argc, char **argv, Coord x, Coord y)
+static int ActionGetStyle(int argc, const char **argv, Coord x, Coord y)
 {
 	return pcb_route_style_lookup(&PCB->RouteStyle, conf_core.design.line_thickness, conf_core.design.via_thickness, conf_core.design.via_drilling_hole, conf_core.design.clearance, NULL);
 }
@@ -159,7 +159,7 @@
 
 static const char ChkMode_syntax[] = "ChkMode(expected_mode)" ;
 static const char ChkMode_help[] = "Return 1 if the currently selected mode is the expected_mode";
-static int ActionChkMode(int argc, char **argv, Coord x, Coord y)
+static int ActionChkMode(int argc, const char **argv, Coord x, Coord y)
 {
 #warning TODO: convert this to a compile-time hash
 	struct {
@@ -202,7 +202,7 @@
 	"ChkGridSize(none)\n"
 	;
 static const char ChkGridSize_help[] = "Return 1 if the currently selected grid matches the expected_size. If argument is \"none\" return 1 if there is no grid.";
-static int ActionChkGridSize(int argc, char **argv, Coord x, Coord y)
+static int ActionChkGridSize(int argc, const char **argv, Coord x, Coord y)
 {
 	assert(argc == 1);
 	if (strcmp(argv[0], "none") == 0)
@@ -217,7 +217,7 @@
 	"ChkElementName(3) - expect value\n"
 	;
 static const char ChkElementName_help[] = "Return 1 if currently shown element label (name) type matches the expected";
-static int ActionChkElementName(int argc, char **argv, Coord x, Coord y)
+static int ActionChkElementName(int argc, const char **argv, Coord x, Coord y)
 {
 	int have, expected = argv[0][0] - '0';
 
@@ -231,7 +231,7 @@
 
 static const char ChkGridUnits_syntax[] = "ChkGridUnits(expected)";
 static const char ChkGridUnits_help[] = "Return 1 if currently selected grid unit matches the expected (normally mm or mil)";
-static int ActionChkGridUnits(int argc, char **argv, Coord x, Coord y)
+static int ActionChkGridUnits(int argc, const char **argv, Coord x, Coord y)
 {
 	assert(argc == 1);
 	return strcmp(conf_core.editor.grid_unit->suffix, argv[0]) == 0;
@@ -239,7 +239,7 @@
 
 static const char ChkBuffer_syntax[] = "ChkBuffer(idx)";
 static const char ChkBuffer_help[] = "Return 1 if currently selected buffer's index matches idx";
-static int ActionChkBuffer(int argc, char **argv, Coord x, Coord y)
+static int ActionChkBuffer(int argc, const char **argv, Coord x, Coord y)
 {
 	int expected = argv[0][0] - '0';
 	assert(argc == 1);
Index: trunk/src/file_act.c
===================================================================
--- trunk/src/file_act.c	(revision 3142)
+++ trunk/src/file_act.c	(revision 3143)
@@ -56,9 +56,9 @@
 
 %end-doc */
 
-static int ActionExecCommand(int argc, char **argv, Coord x, Coord y)
+static int ActionExecCommand(int argc, const char **argv, Coord x, Coord y)
 {
-	char *command;
+	const char *command;
 
 	if (argc < 1) {
 		AFAIL(execcommand);
@@ -108,9 +108,9 @@
 
 %end-doc */
 
-static int ActionLoadFrom(int argc, char **argv, Coord x, Coord y)
+static int ActionLoadFrom(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function, *name, *format = NULL;
+	const char *function, *name, *format = NULL;
 
 	if (argc < 2)
 		AFAIL(loadfrom);
@@ -171,13 +171,14 @@
 
 %end-doc */
 
-static int ActionNew(int argc, char **argv, Coord x, Coord y)
+static int ActionNew(int argc, const char **argv, Coord x, Coord y)
 {
-	char *name = ACTION_ARG(0);
+	const char *argument_name = ACTION_ARG(0);
+	char *name = NULL;
 
 	if (!PCB->Changed || gui->confirm_dialog(_("OK to clear layout data?"), 0)) {
-		if (name)
-			name = pcb_strdup(name);
+		if (argument_name)
+			name = pcb_strdup(argument_name);
 		else
 			name = gui->prompt_for(_("Enter the layout name:"), "");
 
@@ -244,11 +245,11 @@
 
 %end-doc */
 
-static int ActionSaveTo(int argc, char **argv, Coord x, Coord y)
+static int ActionSaveTo(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function;
-	char *name;
-	char *fmt = NULL;
+	const char *function;
+	const char *name;
+	const char *fmt = NULL;
 
 	function = argv[0];
 	name = argv[1];
@@ -337,9 +338,9 @@
 
 %end-doc */
 
-static int ActionQuit(int argc, char **argv, Coord x, Coord y)
+static int ActionQuit(int argc, const char **argv, Coord x, Coord y)
 {
-	char *force = ACTION_ARG(0);
+	const char *force = ACTION_ARG(0);
 	if (force && strcasecmp(force, "force") == 0) {
 		PCB->Changed = 0;
 		exit(0);
Index: trunk/src/find_act.c
===================================================================
--- trunk/src/find_act.c	(revision 3142)
+++ trunk/src/find_act.c	(revision 3143)
@@ -43,7 +43,7 @@
 
 %end-doc */
 
-static int ActionDRCheck(int argc, char **argv, Coord x, Coord y)
+static int ActionDRCheck(int argc, const char **argv, Coord x, Coord y)
 {
 	int count;
 
Index: trunk/src/gui_act.c
===================================================================
--- trunk/src/gui_act.c	(revision 3142)
+++ trunk/src/gui_act.c	(revision 3143)
@@ -208,9 +208,9 @@
 	return shape;
 }
 
-static int ActionDisplay(int argc, char **argv, Coord childX, Coord childY)
+static int ActionDisplay(int argc, const char **argv, Coord childX, Coord childY)
 {
-	char *function, *str_dir;
+	const char *function, *str_dir;
 	int id;
 	int err = 0;
 
@@ -589,9 +589,9 @@
 
 %end-doc */
 
-static int ActionMode(int argc, char **argv, Coord x, Coord y)
+static int ActionMode(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 
 	if (function) {
 		Note.X = Crosshair.X;
@@ -784,7 +784,7 @@
 static const char cycledrag_help[] = "Cycle through which object is being dragged";
 
 #define close_enough(a, b) ((((a)-(b)) > 0) ? ((a)-(b) < (SLOP * pixel_slop)) : ((a)-(b) > -(SLOP * pixel_slop)))
-static int ActionCycleDrag(int argc, char **argv, Coord x, Coord y)
+static int ActionCycleDrag(int argc, const char **argv, Coord x, Coord y)
 {
 	void *ptr1, *ptr2, *ptr3;
 	int over = 0;
@@ -861,7 +861,7 @@
 
 %end-doc */
 
-static int ActionMessage(int argc, char **argv, Coord x, Coord y)
+static int ActionMessage(int argc, const char **argv, Coord x, Coord y)
 {
 	int i;
 
@@ -889,9 +889,9 @@
 
 %end-doc */
 
-static int ActionToggleHideName(int argc, char **argv, Coord x, Coord y)
+static int ActionToggleHideName(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function && PCB->ElementOn) {
 		switch (funchash_get(function, NULL)) {
 		case F_Object:
@@ -956,9 +956,9 @@
 
 %end-doc */
 
-static int ActionMarkCrosshair(int argc, char **argv, Coord x, Coord y)
+static int ActionMarkCrosshair(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (!function || !*function) {
 		if (Marked.status) {
 			notify_mark_change(false);
@@ -994,9 +994,9 @@
 
 %end-doc */
 
-static int ActionRouteStyle(int argc, char **argv, Coord x, Coord y)
+static int ActionRouteStyle(int argc, const char **argv, Coord x, Coord y)
 {
-	char *str = ACTION_ARG(0);
+	const char *str = ACTION_ARG(0);
 	RouteStyleType *rts;
 	int number;
 
@@ -1039,7 +1039,7 @@
 
 %end-doc */
 
-static int ActionCreateMenu(int argc, char **argv, Coord x, Coord y)
+static int ActionCreateMenu(int argc, const char **argv, Coord x, Coord y)
 {
 	if (gui == NULL) {
 		Message(PCB_MSG_DEFAULT, "Error: can't create menu, there's no GUI hid loaded\n");
@@ -1082,7 +1082,7 @@
 		pcb_use_route_style_idx(&PCB->RouteStyle, known);
 }
 
-static int ActionSetSame(int argc, char **argv, Coord x, Coord y)
+static int ActionSetSame(int argc, const char **argv, Coord x, Coord y)
 {
 	void *ptr1, *ptr2, *ptr3;
 	int type;
@@ -1146,7 +1146,7 @@
 
 %end-doc */
 
-static int ActionSwitchHID(int argc, char **argv, Coord x, Coord y)
+static int ActionSwitchHID(int argc, const char **argv, Coord x, Coord y)
 {
 	HID *ng = hid_find_gui(argv[0]);
 	int chg;
Index: trunk/src/hid.h
===================================================================
--- trunk/src/hid.h	(revision 3142)
+++ trunk/src/hid.h	(revision 3143)
@@ -76,7 +76,7 @@
 	/* Called when the action is triggered.  If this function returns
 	   non-zero, no further actions will be invoked for this key/mouse
 	   event.  */
-	int (*trigger_cb) (int argc, char **argv, Coord x, Coord y);
+	int (*trigger_cb) (int argc, const char **argv, Coord x, Coord y);
 	/* Short description that sometimes accompanies the name.  */
 	const char *description;
 	/* Full allowed syntax; use \n to separate lines.  */
Index: trunk/src/hid_actions.c
===================================================================
--- trunk/src/hid_actions.c	(revision 3142)
+++ trunk/src/hid_actions.c	(revision 3143)
@@ -219,7 +219,7 @@
 
 int hid_actionl(const char *name, ...)
 {
-	char *argv[20];
+	const char *argv[20];
 	int argc = 0;
 	va_list ap;
 	char *arg;
@@ -231,7 +231,7 @@
 	return hid_actionv(name, argc, argv);
 }
 
-int hid_actionv_(const HID_Action *a, int argc, char **argv)
+int hid_actionv_(const HID_Action *a, int argc, const char **argv)
 {
 	Coord x = 0, y = 0;
 	int i, ret;
@@ -255,7 +255,7 @@
 	return ret;
 }
 
-int hid_actionv(const char *name, int argc, char **argv)
+int hid_actionv(const char *name, int argc, const char **argv)
 {
 	const HID_Action *a;
 
@@ -278,7 +278,7 @@
 
 static int hid_parse_actionstring(const char *rstr, char require_parens)
 {
-	char **list = NULL;
+	const char **list = NULL;
 	int max = 0;
 	int num;
 	char *str = NULL;
@@ -370,9 +370,9 @@
 			if (num >= max) {
 				max += 10;
 				if (list)
-					list = (char **) realloc(list, max * sizeof(char *));
+					list = (const char **) realloc(list, max * sizeof(char *));
 				else
-					list = (char **) malloc(max * sizeof(char *));
+					list = (const char **) malloc(max * sizeof(char *));
 			}
 			/* Strip leading whitespace.  */
 			while (*sp && isspace((int) *sp))
Index: trunk/src/hid_actions.h
===================================================================
--- trunk/src/hid_actions.h	(revision 3142)
+++ trunk/src/hid_actions.h	(revision 3143)
@@ -17,8 +17,8 @@
 
 int hid_action(const char *action_);
 int hid_actionl(const char *action_, ...);	/* NULL terminated */
-int hid_actionv(const char *action_, int argc_, char **argv_);
-int hid_actionv_(const HID_Action *a, int argc, char **argv);
+int hid_actionv(const char *action_, int argc_, const char **argv_);
+int hid_actionv_(const HID_Action *a, int argc, const char **argv);
 
 /* Parse the given command string into action calls, and call
    hid_actionv for each action found.  Accepts both "action(arg1,
Index: trunk/src/hid_flags.c
===================================================================
--- trunk/src/hid_flags.c	(revision 3142)
+++ trunk/src/hid_flags.c	(revision 3143)
@@ -33,7 +33,7 @@
 	}
 	else {
 		char *end;
-		char *argv[2];
+		const char *argv[2];
 		cp = strchr(name, '(');
 		if (cp != NULL) {
 			const HID_Action *a;
@@ -87,4 +87,3 @@
 	for (i = 0; i < max_copper_layer + 2; i++)
 		PCB->Data->Layer[i].On = save_array[i];
 }
-
Index: trunk/src/main_act.c
===================================================================
--- trunk/src/main_act.c	(revision 3142)
+++ trunk/src/main_act.c	(revision 3143)
@@ -44,7 +44,7 @@
 
 static const char printactions_help[] = "Print all actions available.";
 
-int ActionPrintActions(int argc, char **argv, Coord x, Coord y)
+int ActionPrintActions(int argc, const char **argv, Coord x, Coord y)
 {
 	print_actions();
 	return 0;
@@ -55,7 +55,7 @@
 
 static const char dumpactions_help[] = "Dump all actions available.";
 
-int ActionDumpActions(int argc, char **argv, Coord x, Coord y)
+int ActionDumpActions(int argc, const char **argv, Coord x, Coord y)
 {
 	dump_actions();
 	return 0;
@@ -146,7 +146,7 @@
 	return 0;
 }
 
-int ActionPrintUsage(int argc, char **argv, Coord x, Coord y)
+int ActionPrintUsage(int argc, const char **argv, Coord x, Coord y)
 {
 	u("");
 	if (argc > 0) {
@@ -178,7 +178,7 @@
 
 static const char printversion_help[] = "Print version.";
 
-int ActionPrintVersion(int argc, char **argv, Coord x, Coord y)
+int ActionPrintVersion(int argc, const char **argv, Coord x, Coord y)
 {
 	printf("PCB version %s\n", VERSION);
 	return 0;
@@ -189,7 +189,7 @@
 
 static const char printcopyright_help[] = "Print copyright notice.";
 
-int ActionPrintCopyright(int argc, char **argv, Coord x, Coord y)
+int ActionPrintCopyright(int argc, const char **argv, Coord x, Coord y)
 {
 	printf("\n"
 				 "                COPYRIGHT for the original pcb program:\n\n"
@@ -231,7 +231,7 @@
 	printf("\"\n");
 }
 
-int ActionPrintPaths(int argc, char **argv, Coord x, Coord y)
+int ActionPrintPaths(int argc, const char **argv, Coord x, Coord y)
 {
 	htsp_entry_t *e;
 	conf_fields_foreach(e) {
Index: trunk/src/misc.c
===================================================================
--- trunk/src/misc.c	(revision 3142)
+++ trunk/src/misc.c	(revision 3143)
@@ -1288,7 +1288,7 @@
 	return dy > 0 ? 3 : 1;
 }
 
-int ActionListRotations(int argc, char **argv, Coord x, Coord y)
+int ActionListRotations(int argc, const char **argv, Coord x, Coord y)
 {
 	ELEMENT_LOOP(PCB->Data);
 	{
Index: trunk/src/move.c
===================================================================
--- trunk/src/move.c	(revision 3142)
+++ trunk/src/move.c	(revision 3143)
@@ -985,7 +985,7 @@
 
 %end-doc */
 
-int MoveLayerAction(int argc, char **argv, Coord x, Coord y)
+int MoveLayerAction(int argc, const char **argv, Coord x, Coord y)
 {
 	int old_index, new_index;
 	int new_top = -1;
Index: trunk/src/netlist.c
===================================================================
--- trunk/src/netlist.c	(revision 3142)
+++ trunk/src/netlist.c	(revision 3143)
@@ -355,7 +355,7 @@
 
 %end-doc */
 
-static int ActionNetlist(int argc, char **argv, Coord x, Coord y)
+static int ActionNetlist(int argc, const char **argv, Coord x, Coord y)
 {
 	NFunc func;
 	int i, j;
Index: trunk/src/object_act.c
===================================================================
--- trunk/src/object_act.c	(revision 3142)
+++ trunk/src/object_act.c	(revision 3143)
@@ -54,7 +54,7 @@
 
 static ElementType *element_cache = NULL;
 
-static ElementType *find_element_by_refdes(char *refdes)
+static ElementType *find_element_by_refdes(const char *refdes)
 {
 	if (element_cache && NAMEONPCB_NAME(element_cache)
 			&& strcmp(NAMEONPCB_NAME(element_cache), refdes) == 0)
@@ -106,10 +106,10 @@
 %end-doc */
 
 
-static int ActionAttributes(int argc, char **argv, Coord x, Coord y)
+static int ActionAttributes(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *layername = ACTION_ARG(1);
+	const char *function = ACTION_ARG(0);
+	const char *layername = ACTION_ARG(1);
 	char *buf;
 
 	if (!function)
@@ -214,9 +214,9 @@
 
 #define GAP PCB_MIL_TO_COORD(100)
 
-static int ActionDisperseElements(int argc, char **argv, Coord x, Coord y)
+static int ActionDisperseElements(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	Coord minx = GAP, miny = GAP, maxy = GAP, dx, dy;
 	int all = 0, bad = 0;
 
@@ -325,9 +325,9 @@
 
 %end-doc */
 
-static int ActionFlip(int argc, char **argv, Coord x, Coord y)
+static int ActionFlip(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	ElementTypePtr element;
 	void *ptrtmp;
 	int err = 0;
@@ -372,11 +372,11 @@
 
 %end-doc */
 
-static int ActionMoveObject(int argc, char **argv, Coord x, Coord y)
+static int ActionMoveObject(int argc, const char **argv, Coord x, Coord y)
 {
-	char *x_str = ACTION_ARG(0);
-	char *y_str = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *x_str = ACTION_ARG(0);
+	const char *y_str = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	Coord nx, ny;
 	bool absolute1, absolute2;
 	void *ptr1, *ptr2, *ptr3;
@@ -418,9 +418,9 @@
 
 %end-doc */
 
-static int ActionMoveToCurrentLayer(int argc, char **argv, Coord x, Coord y)
+static int ActionMoveToCurrentLayer(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_Object:
@@ -485,12 +485,13 @@
 	return GetValue(as, NULL, NULL, NULL);
 }
 
-static int ActionElementList(int argc, char **argv, Coord x, Coord y)
+static int ActionElementList(int argc, const char **argv, Coord x, Coord y)
 {
 	ElementType *e = NULL;
-	char *refdes, *value, *footprint, *old;
-	char *args[3];
-	char *function = argv[0];
+	const char *refdes, *value, *footprint;
+	const char *args[3];
+	const char *function = argv[0];
+	char *old;
 
 #ifdef DEBUG
 	printf("Entered ActionElementList, executing function %s\n", function);
@@ -660,10 +661,10 @@
 
 %end-doc */
 
-static int ActionElementSetAttr(int argc, char **argv, Coord x, Coord y)
+static int ActionElementSetAttr(int argc, const char **argv, Coord x, Coord y)
 {
 	ElementType *e = NULL;
-	char *refdes, *name, *value;
+	const char *refdes, *name, *value;
 	AttributeType *attr;
 
 	if (argc < 2) {
@@ -729,9 +730,9 @@
 
 %end-doc */
 
-static int ActionRipUp(int argc, char **argv, Coord x, Coord y)
+static int ActionRipUp(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	bool changed = false;
 
 	if (function) {
@@ -833,11 +834,11 @@
 
 %end-doc */
 
-static int ActionMinMaskGap(int argc, char **argv, Coord x, Coord y)
+static int ActionMinMaskGap(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *delta = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *delta = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	bool absolute;
 	Coord value;
 	int flags;
@@ -907,11 +908,11 @@
 
 %end-doc */
 
-static int ActionMinClearGap(int argc, char **argv, Coord x, Coord y)
+static int ActionMinClearGap(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
-	char *delta = ACTION_ARG(1);
-	char *units = ACTION_ARG(2);
+	const char *function = ACTION_ARG(0);
+	const char *delta = ACTION_ARG(1);
+	const char *units = ACTION_ARG(2);
 	bool absolute;
 	Coord value;
 	int flags;
Index: trunk/src/plug_footprint_act.c
===================================================================
--- trunk/src/plug_footprint_act.c	(revision 3142)
+++ trunk/src/plug_footprint_act.c	(revision 3143)
@@ -30,7 +30,7 @@
 
 static const char fp_rehash_syntax[] = "fp_rehash()" ;
 static const char fp_rehash_help[] = "Flush the library index; rescan all library search paths and rebuild the library index. Useful if there are changes in the library during a pcb-rnd session.";
-static int Action_fp_rehash(int argc, char **argv, Coord x, Coord y)
+static int Action_fp_rehash(int argc, const char **argv, Coord x, Coord y)
 {
 	fp_rehash();
 	return 0;
Index: trunk/src/plugins.c
===================================================================
--- trunk/src/plugins.c	(revision 3142)
+++ trunk/src/plugins.c	(revision 3143)
@@ -75,7 +75,7 @@
 
 static const char manageplugins_help[] = "Manage plugins dialog.";
 
-static int ManagePlugins(int argc, char **argv, Coord x, Coord y)
+static int ActionManagePlugins(int argc, const char **argv, Coord x, Coord y)
 {
 	plugin_info_t *i;
 	int nump = 0, numb = 0;
@@ -125,7 +125,7 @@
 
 
 HID_Action plugins_action_list[] = {
-	{"ManagePlugins", 0, ManagePlugins,
+	{"ManagePlugins", 0, ActionManagePlugins,
 	 manageplugins_help, manageplugins_syntax}
 };
 
Index: trunk/src/polygon_act.c
===================================================================
--- trunk/src/polygon_act.c	(revision 3142)
+++ trunk/src/polygon_act.c	(revision 3143)
@@ -53,9 +53,9 @@
 
 %end-doc */
 
-static int ActionMorphPolygon(int argc, char **argv, Coord x, Coord y)
+static int ActionMorphPolygon(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_Object:
@@ -111,9 +111,9 @@
 
 %end-doc */
 
-static int ActionPolygon(int argc, char **argv, Coord x, Coord y)
+static int ActionPolygon(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function && conf_core.editor.mode == PCB_MODE_POLYGON) {
 		notify_crosshair_change(false);
 		switch (funchash_get(function, NULL)) {
Index: trunk/src/rats_act.c
===================================================================
--- trunk/src/rats_act.c	(revision 3142)
+++ trunk/src/rats_act.c	(revision 3143)
@@ -65,9 +65,9 @@
 
 %end-doc */
 
-static int ActionAddRats(int argc, char **argv, Coord x, Coord y)
+static int ActionAddRats(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	RatTypePtr shorty;
 	float len, small;
 
@@ -140,9 +140,9 @@
 
 %end-doc */
 
-static int ActionConnection(int argc, char **argv, Coord x, Coord y)
+static int ActionConnection(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		switch (funchash_get(function, NULL)) {
 		case F_Find:
@@ -189,9 +189,9 @@
 
 %end-doc */
 
-static int ActionDeleteRats(int argc, char **argv, Coord x, Coord y)
+static int ActionDeleteRats(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		if (conf_core.temp.rat_warn)
 			ClearWarnings();
Index: trunk/src/rats_patch.c
===================================================================
--- trunk/src/rats_patch.c	(revision 3142)
+++ trunk/src/rats_patch.c	(revision 3143)
@@ -365,10 +365,10 @@
 
 static const char replacefootprint_help[] = "Replace the footprint of the selected components with the footprint specified.";
 
-static int ReplaceFootprint(int argc, char **argv, Coord x, Coord y)
+static int ActionReplaceFootprint(int argc, const char **argv, Coord x, Coord y)
 {
-	char *a[4];
-	char *fpname;
+	const char *a[4];
+	const char *fpname;
 	int found = 0;
 
 	/* check if we have elements selected and quit if not */
@@ -431,7 +431,7 @@
 /* %start-doc actions SavePatch
 Save netlist patch for back annotation.
 %end-doc */
-static int SavePatch(int argc, char **argv, Coord x, Coord y)
+static int ActionSavePatch(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *fn;
 	FILE *f;
@@ -472,10 +472,10 @@
 }
 
 HID_Action rats_patch_action_list[] = {
-	{"ReplaceFootprint", 0, ReplaceFootprint,
+	{"ReplaceFootprint", 0, ActionReplaceFootprint,
 	 replacefootprint_help, replacefootprint_syntax}
 	,
-	{"SavePatch", 0, SavePatch,
+	{"SavePatch", 0, ActionSavePatch,
 	 savepatch_help, savepatch_syntax}
 };
 
Index: trunk/src/remove_act.c
===================================================================
--- trunk/src/remove_act.c	(revision 3142)
+++ trunk/src/remove_act.c	(revision 3143)
@@ -41,9 +41,9 @@
 
 %end-doc */
 
-static int ActionDelete(int argc, char **argv, Coord x, Coord y)
+static int ActionDelete(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	int id = funchash_get(function, NULL);
 
 	Note.X = Crosshair.X;
@@ -87,7 +87,7 @@
 
 %end-doc */
 
-static int ActionRemoveSelected(int argc, char **argv, Coord x, Coord y)
+static int ActionRemoveSelected(int argc, const char **argv, Coord x, Coord y)
 {
 	if (RemoveSelected())
 		SetChangedFlag(true);
Index: trunk/src/select_act.c
===================================================================
--- trunk/src/select_act.c	(revision 3142)
+++ trunk/src/select_act.c	(revision 3143)
@@ -118,9 +118,9 @@
 
 %end-doc */
 
-static int ActionSelect(int argc, char **argv, Coord x, Coord y)
+static int ActionSelect(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		int type;
 
@@ -149,7 +149,7 @@
 
 		commonByName:
 			{
-				char *pattern = ACTION_ARG(1);
+				const char *pattern = ACTION_ARG(1);
 #warning "TODO: this should have a default value in case gui_get_pat() is not called"
 				search_method_t method;
 
@@ -157,7 +157,7 @@
 					if (SelectObjectByName(type, pattern, true, method))
 						SetChangedFlag(true);
 					if (ACTION_ARG(1) == NULL)
-						free(pattern);
+						free((char*)pattern);
 				}
 				break;
 			}
@@ -278,9 +278,9 @@
 
 %end-doc */
 
-static int ActionUnselect(int argc, char **argv, Coord x, Coord y)
+static int ActionUnselect(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (function) {
 		int type;
 		switch (funchash_get(function, NULL)) {
@@ -309,7 +309,7 @@
 
 		commonByName:
 			{
-				char *pattern = ACTION_ARG(1);
+				const char *pattern = ACTION_ARG(1);
 #warning "TODO: this should have a default value in case gui_get_pat() is not called"
 				search_method_t method;
 
@@ -317,7 +317,7 @@
 					if (SelectObjectByName(type, pattern, false, method))
 						SetChangedFlag(true);
 					if (ACTION_ARG(1) == NULL)
-						free(pattern);
+						free((char*)pattern);
 				}
 				break;
 			}
Index: trunk/src/undo.h
===================================================================
--- trunk/src/undo.h	(revision 3142)
+++ trunk/src/undo.h	(revision 3143)
@@ -68,8 +68,8 @@
 bool Undoing(void);
 
 /* Publish actions - these may be useful for other actions */
-int ActionUndo(int argc, char **argv, Coord x, Coord y);
-int ActionRedo(int argc, char **argv, Coord x, Coord y);
-int ActionAtomic(int argc, char **argv, Coord x, Coord y);
+int ActionUndo(int argc, const char **argv, Coord x, Coord y);
+int ActionRedo(int argc, const char **argv, Coord x, Coord y);
+int ActionAtomic(int argc, const char **argv, Coord x, Coord y);
 
 #endif
Index: trunk/src/undo_act.c
===================================================================
--- trunk/src/undo_act.c	(revision 3142)
+++ trunk/src/undo_act.c	(revision 3143)
@@ -79,7 +79,7 @@
 
 %end-doc */
 
-int ActionAtomic(int argc, char **argv, Coord x, Coord y)
+int ActionAtomic(int argc, const char **argv, Coord x, Coord y)
 {
 	if (argc != 1)
 		AFAIL(atomic);
@@ -125,9 +125,9 @@
 
 %end-doc */
 
-int ActionUndo(int argc, char **argv, Coord x, Coord y)
+int ActionUndo(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	if (!function || !*function) {
 		/* don't allow undo in the middle of an operation */
 		if (conf_core.editor.mode != PCB_MODE_POLYGON_HOLE && Crosshair.AttachedObject.State != STATE_FIRST)
@@ -265,7 +265,7 @@
 
 %end-doc */
 
-int ActionRedo(int argc, char **argv, Coord x, Coord y)
+int ActionRedo(int argc, const char **argv, Coord x, Coord y)
 {
 	if (((conf_core.editor.mode == PCB_MODE_POLYGON ||
 				conf_core.editor.mode == PCB_MODE_POLYGON_HOLE) && Crosshair.AttachedPolygon.PointN) || Crosshair.AttachedLine.State == STATE_SECOND)
Index: trunk/src_plugins/autoplace/action.c
===================================================================
--- trunk/src_plugins/autoplace/action.c	(revision 3142)
+++ trunk/src_plugins/autoplace/action.c	(revision 3143)
@@ -43,7 +43,7 @@
 
 %end-doc */
 
-static int ActionAutoPlaceSelected(int argc, char **argv, Coord x, Coord y)
+static int ActionAutoPlaceSelected(int argc, const char **argv, Coord x, Coord y)
 {
 	hid_action("Busy");
 	if (gui->confirm_dialog(_("Auto-placement can NOT be undone.\n" "Do you want to continue anyway?\n"), 0)) {
Index: trunk/src_plugins/autoroute/action.c
===================================================================
--- trunk/src_plugins/autoroute/action.c	(revision 3142)
+++ trunk/src_plugins/autoroute/action.c	(revision 3143)
@@ -63,9 +63,9 @@
 
 %end-doc */
 
-static int ActionAutoRoute(int argc, char **argv, Coord x, Coord y)
+static int ActionAutoRoute(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function = ACTION_ARG(0);
+	const char *function = ACTION_ARG(0);
 	hid_action("Busy");
 	if (function) {								/* one parameter */
 		if (strcmp(function, "AllRats") == 0) {
Index: trunk/src_plugins/dbus/dbus.c
===================================================================
--- trunk/src_plugins/dbus/dbus.c	(revision 3142)
+++ trunk/src_plugins/dbus/dbus.c	(revision 3143)
@@ -150,7 +150,7 @@
 #endif
 
 	/* TODO: Proper return value from actions */
-	hid_actionv(action_name, argc, argv);
+	hid_actionv(action_name, argc, (const char**)argv);
 	retval = 0;
 
 	dbus_free_string_array(argv);
Index: trunk/src_plugins/debug/debug.c
===================================================================
--- trunk/src_plugins/debug/debug.c	(revision 3142)
+++ trunk/src_plugins/debug/debug.c	(revision 3143)
@@ -42,9 +42,9 @@
 static const char conf_help[] = "Perform various operations on the configuration tree.";
 
 extern lht_doc_t *conf_root[];
-static int ActionDumpConf(int argc, char **argv, Coord x, Coord y)
+static int ActionDumpConf(int argc, const char **argv, Coord x, Coord y)
 {
-	char *cmd = argc > 0 ? argv[0] : 0;
+	const char *cmd = argc > 0 ? argv[0] : NULL;
 
 	if (NSTRCMP(cmd, "native") == 0) {
 		int verbose;
@@ -90,7 +90,7 @@
 static const char dump_layers_help[] = "Print info about each layer";
 
 extern lht_doc_t *conf_root[];
-static int ActionDumpLayers(int argc, char **argv, Coord x, Coord y)
+static int ActionDumpLayers(int argc, const char **argv, Coord x, Coord y)
 {
 	int g, n, used, arr[128]; /* WARNING: this assumes we won't have more than 128 layers */
 
Index: trunk/src_plugins/djopt/djopt.c
===================================================================
--- trunk/src_plugins/djopt/djopt.c	(revision 3142)
+++ trunk/src_plugins/djopt/djopt.c	(revision 3143)
@@ -2546,9 +2546,9 @@
 
 %end-doc */
 
-static int ActionDJopt(int argc, char **argv, Coord x, Coord y)
+static int ActionDJopt(int argc, const char **argv, Coord x, Coord y)
 {
-	char *arg = argc > 0 ? argv[0] : 0;
+	const char *arg = argc > 0 ? argv[0] : NULL;
 	int layn, saved = 0;
 	corner_s *c;
 
Index: trunk/src_plugins/export_ps/ps.c
===================================================================
--- trunk/src_plugins/export_ps/ps.c	(revision 3142)
+++ trunk/src_plugins/export_ps/ps.c	(revision 3143)
@@ -1542,7 +1542,7 @@
 {
 }
 
-static int ActionPSCalib(int argc, char **argv, Coord x, Coord y)
+static int ActionPSCalib(int argc, const char **argv, Coord x, Coord y)
 {
 	ps_calibrate(0.0, 0.0);
 	return 0;
Index: trunk/src_plugins/fontmode/fontmode.c
===================================================================
--- trunk/src_plugins/fontmode/fontmode.c	(revision 3142)
+++ trunk/src_plugins/fontmode/fontmode.c	(revision 3143)
@@ -69,7 +69,7 @@
 
 %end-doc */
 
-static int FontEdit(int argc, char **argv, Coord Ux, Coord Uy)
+static int FontEdit(int argc, const char **argv, Coord Ux, Coord Uy)
 {
 	FontType *font;
 	SymbolType *symbol;
@@ -158,7 +158,7 @@
 
 %end-doc */
 
-static int FontSave(int argc, char **argv, Coord Ux, Coord Uy)
+static int FontSave(int argc, const char **argv, Coord Ux, Coord Uy)
 {
 	FontTypePtr font;
 	SymbolTypePtr symbol;
Index: trunk/src_plugins/hid_batch/batch.c
===================================================================
--- trunk/src_plugins/hid_batch/batch.c	(revision 3142)
+++ trunk/src_plugins/hid_batch/batch.c	(revision 3143)
@@ -48,12 +48,12 @@
 		free(prompt);
 }
 
-static int nop(int argc, char **argv, Coord x, Coord y)
+static int nop(int argc, const char **argv, Coord x, Coord y)
 {
 	return 0;
 }
 
-static int PCBChanged(int argc, char **argv, Coord x, Coord y)
+static int PCBChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	if (prompt != NULL)
 		free(prompt);
@@ -71,13 +71,13 @@
 	return 0;
 }
 
-static int help(int argc, char **argv, Coord x, Coord y)
+static int help(int argc, const char **argv, Coord x, Coord y)
 {
 	print_actions();
 	return 0;
 }
 
-static int info(int argc, char **argv, Coord x, Coord y)
+static int info(int argc, const char **argv, Coord x, Coord y)
 {
 	int i, j;
 	int cg, sg;
Index: trunk/src_plugins/hid_gtk/gtkhid-main.c
===================================================================
--- trunk/src_plugins/hid_gtk/gtkhid-main.c	(revision 3142)
+++ trunk/src_plugins/hid_gtk/gtkhid-main.c	(revision 3143)
@@ -185,7 +185,7 @@
 
 %end-doc */
 
-static int Zoom(int argc, char **argv, Coord x, Coord y)
+static int Zoom(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *vp;
 	double v;
@@ -1008,7 +1008,7 @@
 %end-doc */
 
 
-static int About(int argc, char **argv, Coord x, Coord y)
+static int About(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_dialog_about();
 	return 0;
@@ -1025,7 +1025,7 @@
 
 %end-doc */
 
-static int GetXY(int argc, char **argv, Coord x, Coord y)
+static int GetXY(int argc, const char **argv, Coord x, Coord y)
 {
 	return 0;
 }
@@ -1032,7 +1032,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-static int PointCursor(int argc, char **argv, Coord x, Coord y)
+static int PointCursor(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!ghidgui)
 		return 0;
@@ -1046,7 +1046,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-static int RouteStylesChanged(int argc, char **argv, Coord x, Coord y)
+static int RouteStylesChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!ghidgui || !ghidgui->route_style_selector)
 		return 0;
@@ -1060,7 +1060,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-int PCBChanged(int argc, char **argv, Coord x, Coord y)
+int PCBChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!ghidgui)
 		return 0;
@@ -1085,7 +1085,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-static int LayerGroupsChanged(int argc, char **argv, Coord x, Coord y)
+static int LayerGroupsChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	printf(_("LayerGroupsChanged -- not implemented\n"));
 	return 0;
@@ -1093,7 +1093,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-static int LibraryChanged(int argc, char **argv, Coord x, Coord y)
+static int LibraryChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	/* No need to show the library window every time it changes...
 	 *  ghid_library_window_show (&ghid_port, FALSE);
@@ -1103,7 +1103,7 @@
 
 /* ---------------------------------------------------------------------- */
 
-static int Command(int argc, char **argv, Coord x, Coord y)
+static int Command(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_handle_user_command(TRUE);
 	return 0;
@@ -1121,9 +1121,9 @@
 	return pcb_strdup(getcwd(tmp, sizeof(tmp)));
 }
 
-static int Load(int argc, char **argv, Coord x, Coord y)
+static int Load(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function;
+	const char *function;
 	char *name = NULL;
 
 	static gchar *current_element_dir = NULL;
@@ -1141,7 +1141,7 @@
 	if (argc > 1)
 		return hid_actionv("LoadFrom", argc, argv);
 
-	function = argc ? argv[0] : (char *) "Layout";
+	function = argc ? argv[0] : "Layout";
 
 	if (strcasecmp(function, "Netlist") == 0) {
 		name = ghid_dialog_file_select_open(_("Load netlist file"), &current_netlist_dir, conf_core.rc.file_path);
@@ -1184,9 +1184,9 @@
 
 %end-doc */
 
-static int Save(int argc, char **argv, Coord x, Coord y)
+static int Save(int argc, const char **argv, Coord x, Coord y)
 {
-	char *function;
+	const char *function;
 	char *name;
 	char *prompt;
 	pcb_io_formats_t avail;
@@ -1201,7 +1201,7 @@
 	if (argc > 1)
 		return hid_actionv("SaveTo", argc, argv);
 
-	function = argc ? argv[0] : (char *) "Layout";
+	function = argc ? argv[0] : "Layout";
 
 	if (strcasecmp(function, "Layout") == 0)
 		if (PCB->Filename)
@@ -1305,7 +1305,7 @@
 %end-doc */
 
 
-static int SwapSides(int argc, char **argv, Coord x, Coord y)
+static int SwapSides(int argc, const char **argv, Coord x, Coord y)
 {
 	int active_group = GetLayerGroupNumberByNumber(LayerStack[0]);
 	int comp_group = GetLayerGroupNumberByNumber(component_silk_layer);
@@ -1358,7 +1358,7 @@
 
 %end-doc */
 
-static int Print(int argc, char **argv, Coord x, Coord y)
+static int Print(int argc, const char **argv, Coord x, Coord y)
 {
 	HID **hids;
 	int i;
@@ -1410,7 +1410,7 @@
 
 %end-doc */
 
-static int PrintCalibrate(int argc, char **argv, Coord x, Coord y)
+static int PrintCalibrate(int argc, const char **argv, Coord x, Coord y)
 {
 	HID *printer = hid_find_printer();
 	printer->calibrate(0.0, 0.0);
@@ -1425,7 +1425,7 @@
 
 /* ------------------------------------------------------------ */
 
-static int Export(int argc, char **argv, Coord x, Coord y)
+static int Export(int argc, const char **argv, Coord x, Coord y)
 {
 
 	/* check if layout is empty */
@@ -1440,7 +1440,7 @@
 
 /* ------------------------------------------------------------ */
 
-static int Benchmark(int argc, char **argv, Coord x, Coord y)
+static int Benchmark(int argc, const char **argv, Coord x, Coord y)
 {
 	int i = 0;
 	time_t start, end;
@@ -1476,7 +1476,7 @@
 
 %end-doc */
 
-static int Center(int argc, char **argv, Coord pcb_x, Coord pcb_y)
+static int Center(int argc, const char **argv, Coord pcb_x, Coord pcb_y)
 {
 	GdkDisplay *display;
 	GdkScreen *screen;
@@ -1552,7 +1552,7 @@
 
 %end-doc */
 
-static int CursorAction(int argc, char **argv, Coord x, Coord y)
+static int CursorAction(int argc, const char **argv, Coord x, Coord y)
 {
 	UnitList extra_units_x = {
 		{"grid", PCB->Grid, 0},
@@ -1631,9 +1631,9 @@
 
 %end-doc */
 
-static int DoWindows(int argc, char **argv, Coord x, Coord y)
+static int DoWindows(int argc, const char **argv, Coord x, Coord y)
 {
-	char *a = argc == 1 ? argv[0] : (char *) "";
+	const char *a = argc == 1 ? argv[0] : "";
 
 	if (strcmp(a, "1") == 0 || strcasecmp(a, "Layout") == 0) {
 	}
@@ -1678,7 +1678,7 @@
 
 %end-doc */
 
-static int SetUnits(int argc, char **argv, Coord x, Coord y)
+static int SetUnits(int argc, const char **argv, Coord x, Coord y)
 {
 	const Unit *new_unit;
 	if (argc == 0)
@@ -1718,7 +1718,7 @@
 
 %end-doc */
 
-static int ScrollAction(int argc, char **argv, Coord x, Coord y)
+static int ScrollAction(int argc, const char **argv, Coord x, Coord y)
 {
 	gdouble dx = 0.0, dy = 0.0;
 	int div = 40;
@@ -1761,7 +1761,7 @@
 
 %end-doc */
 
-static int PanAction(int argc, char **argv, Coord x, Coord y)
+static int PanAction(int argc, const char **argv, Coord x, Coord y)
 {
 	int mode;
 
@@ -1797,7 +1797,7 @@
 in the popups subtree in the menu lht file.
 
 %end-doc */
-static int Popup(int argc, char **argv, Coord x, Coord y)
+static int Popup(int argc, const char **argv, Coord x, Coord y)
 {
 	GtkMenu *menu = NULL;
 	char name[256];
@@ -1837,7 +1837,7 @@
 %end-doc */
 
 
-static int ImportGUI(int argc, char **argv, Coord x, Coord y)
+static int ImportGUI(int argc, const char **argv, Coord x, Coord y)
 {
 	char *name = NULL;
 	static gchar *current_layout_dir = NULL;
@@ -1872,7 +1872,7 @@
 
 static const char savewingeo_help[] = N_("Saves window geometry in the config.\n");
 
-static int SaveWinGeo(int argc, char **argv, Coord x, Coord y)
+static int SaveWinGeo(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_wgeo_save(1, 0);
 	return 0;
@@ -1881,7 +1881,7 @@
 
 
 /* ------------------------------------------------------------ */
-static int Busy(int argc, char **argv, Coord x, Coord y)
+static int Busy(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_watch_cursor();
 	return 0;
Index: trunk/src_plugins/hid_gtk/gui-log-window.c
===================================================================
--- trunk/src_plugins/hid_gtk/gui-log-window.c	(revision 3142)
+++ trunk/src_plugins/hid_gtk/gui-log-window.c	(revision 3143)
@@ -179,9 +179,9 @@
 to it.  If false, the log will still be updated, but the window won't \
 be shown.";
 
-static gint GhidLogShowOnAppend(int argc, char **argv, Coord x, Coord y)
+static gint GhidLogShowOnAppend(int argc, const char **argv, Coord x, Coord y)
 {
-	char *a = argc == 1 ? argv[0] : (char *) "";
+	const char *a = argc == 1 ? argv[0] : "";
 
 	if (strncasecmp(a, "t", 1) == 0) {
 		log_show_on_append = TRUE;
Index: trunk/src_plugins/hid_gtk/gui-netlist-window.c
===================================================================
--- trunk/src_plugins/hid_gtk/gui-netlist-window.c	(revision 3142)
+++ trunk/src_plugins/hid_gtk/gui-netlist-window.c	(revision 3143)
@@ -921,7 +921,7 @@
 		node_model_update((&PCB->NetlistLib[NETLIST_EDITED])->Menu);
 }
 
-static gint GhidNetlistChanged(int argc, char **argv, Coord x, Coord y)
+static gint GhidNetlistChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	loading_new_netlist = TRUE;
 	ghid_netlist_window_update(TRUE);
@@ -935,7 +935,7 @@
 static const char netlistshow_help[] = "Selects the given pinname or netname in the netlist window. Does not \
 show the window if it isn't already shown.";
 
-static gint GhidNetlistShow(int argc, char **argv, Coord x, Coord y)
+static gint GhidNetlistShow(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_netlist_window_create(gport);
 	if (argc > 0)
@@ -947,7 +947,7 @@
 
 static const char netlistpresent_help[] = "Presents the netlist window.";
 
-static gint GhidNetlistPresent(int argc, char **argv, Coord x, Coord y)
+static gint GhidNetlistPresent(int argc, const char **argv, Coord x, Coord y)
 {
 	ghid_netlist_window_show(gport, TRUE);
 	return 0;
Index: trunk/src_plugins/hid_gtk/gui-top-window.c
===================================================================
--- trunk/src_plugins/hid_gtk/gui-top-window.c	(revision 3142)
+++ trunk/src_plugins/hid_gtk/gui-top-window.c	(revision 3143)
@@ -1501,7 +1501,7 @@
 	return visible;
 }
 
-gint LayersChanged(int argc, char **argv, Coord x, Coord y)
+gint LayersChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!ghidgui || !ghidgui->menu_bar)
 		return 0;
@@ -1537,7 +1537,7 @@
 
 %end-doc */
 
-static int ToggleView(int argc, char **argv, Coord x, Coord y)
+static int ToggleView(int argc, const char **argv, Coord x, Coord y)
 {
 	int i, l;
 
@@ -1594,7 +1594,7 @@
 
 %end-doc */
 
-static int SelectLayer(int argc, char **argv, Coord x, Coord y)
+static int SelectLayer(int argc, const char **argv, Coord x, Coord y)
 {
 	int newl;
 	if (argc == 0)
@@ -1685,7 +1685,7 @@
 
 %end-doc */
 
-static int AdjustStyle(int argc, char **argv, Coord x, Coord y)
+static int AdjustStyle(int argc, const char **argv, Coord x, Coord y)
 {
 	if (argc > 1)
 		AFAIL(adjuststyle);
@@ -1708,7 +1708,7 @@
 
 %end-doc */
 
-static int EditLayerGroups(int argc, char **argv, Coord x, Coord y)
+static int EditLayerGroups(int argc, const char **argv, Coord x, Coord y)
 {
 
 	if (argc != 0)
Index: trunk/src_plugins/hid_gtk/gui.h
===================================================================
--- trunk/src_plugins/hid_gtk/gui.h	(revision 3142)
+++ trunk/src_plugins/hid_gtk/gui.h	(revision 3143)
@@ -445,7 +445,7 @@
 /* gtkhid-main.c */
 void ghid_pan_view_rel(Coord dx, Coord dy);
 void ghid_get_coords(const char *msg, Coord * x, Coord * y);
-gint PCBChanged(int argc, char **argv, Coord x, Coord y);
+gint PCBChanged(int argc, const char **argv, Coord x, Coord y);
 
 
 
Index: trunk/src_plugins/hid_lesstif/dialogs.c
===================================================================
--- trunk/src_plugins/hid_lesstif/dialogs.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/dialogs.c	(revision 3143)
@@ -91,7 +91,7 @@
 
 %end-doc */
 
-static int Load(int argc, char **argv, Coord x, Coord y)
+static int Load(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *function;
 	char *name;
@@ -149,7 +149,7 @@
 
 %end-doc */
 
-static int LoadVendor(int argc, char **argv, Coord x, Coord y)
+static int LoadVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	char *name;
 	XmString xmname, pattern;
@@ -202,7 +202,7 @@
 
 %end-doc */
 
-static int Save(int argc, char **argv, Coord x, Coord y)
+static int Save(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *function;
 	char *name;
@@ -361,7 +361,7 @@
 static Widget confirm_dialog = 0;
 static Widget confirm_cancel, confirm_ok, confirm_label;
 
-int lesstif_confirm_dialog(char *msg, ...)
+int lesstif_confirm_dialog(const char *msg, ...)
 {
 	char *cancelmsg, *okmsg;
 	va_list ap;
@@ -420,7 +420,7 @@
 	return ok;
 }
 
-static int ConfirmAction(int argc, char **argv, Coord x, Coord y)
+static int ConfirmAction(int argc, const char **argv, Coord x, Coord y)
 {
 	int rv = lesstif_confirm_dialog(argc > 0 ? argv[0] : 0,
 																	argc > 1 ? argv[1] : 0,
@@ -543,7 +543,7 @@
 
 %end-doc */
 
-static int PromptFor(int argc, char **argv, Coord x, Coord y)
+static int PromptFor(int argc, const char **argv, Coord x, Coord y)
 {
 	char *rv = lesstif_prompt_for(argc > 0 ? argv[0] : 0,
 																argc > 1 ? argv[1] : 0);
@@ -822,7 +822,7 @@
 
 %end-doc */
 
-static int DoWindows(int argc, char **argv, Coord x, Coord y)
+static int DoWindows(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *a = argc == 1 ? argv[0] : "";
 	if (strcmp(a, "1") == 0 || strcasecmp(a, "Layout") == 0) {
@@ -858,7 +858,7 @@
 %end-doc */
 
 
-static int About(int argc, char **argv, Coord x, Coord y)
+static int About(int argc, const char **argv, Coord x, Coord y)
 {
 	static Widget about = 0;
 	if (!about) {
@@ -887,7 +887,7 @@
 
 %end-doc */
 
-static int Print(int argc, char **argv, Coord x, Coord y)
+static int Print(int argc, const char **argv, Coord x, Coord y)
 {
 	HID_Attribute *opts;
 	HID *printer;
@@ -932,7 +932,7 @@
 
 %end-doc */
 
-static int PrintCalibrate(int argc, char **argv, Coord x, Coord y)
+static int PrintCalibrate(int argc, const char **argv, Coord x, Coord y)
 {
 	HID *printer = hid_find_printer();
 	printer->calibrate(0.0, 0.0);
@@ -955,7 +955,7 @@
 
 %end-doc */
 
-static int Export(int argc, char **argv, Coord x, Coord y)
+static int Export(int argc, const char **argv, Coord x, Coord y)
 {
 	static Widget selector = 0;
 	HID_Attribute *opts;
@@ -1137,7 +1137,7 @@
 
 %end-doc */
 
-static int AdjustSizes(int argc, char **argv, Coord x, Coord y)
+static int AdjustSizes(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!sizes_dialog) {
 		Widget inf, sep;
@@ -1438,7 +1438,7 @@
 
 %end-doc */
 
-static int EditLayerGroups(int argc, char **argv, Coord x, Coord y)
+static int EditLayerGroups(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!layer_groups_form) {
 
@@ -1832,7 +1832,7 @@
 
 %end-doc */
 
-static int ImportGUI(int argc, char **argv, Coord x, Coord y)
+static int ImportGUI(int argc, const char **argv, Coord x, Coord y)
 {
 	static int I_am_recursing = 0;
 	static XmString xms_sch = 0, xms_import = 0;
Index: trunk/src_plugins/hid_lesstif/library.c
===================================================================
--- trunk/src_plugins/hid_lesstif/library.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/library.c	(revision 3143)
@@ -126,7 +126,7 @@
 		lib_dfs(l, level+1);
 }
 
-static int LibraryChanged(int argc, char **argv, Coord x, Coord y)
+static int LibraryChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	int i;
 	if (library.data.dir.children.used == 0)
@@ -167,7 +167,7 @@
 
 %end-doc */
 
-static int LibraryShow(int argc, char **argv, Coord x, Coord y)
+static int LibraryShow(int argc, const char **argv, Coord x, Coord y)
 {
 	if (build_library_dialog())
 		return 0;
Index: trunk/src_plugins/hid_lesstif/main.c
===================================================================
--- trunk/src_plugins/hid_lesstif/main.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/main.c	(revision 3143)
@@ -310,7 +310,7 @@
 
 /* Called from the core when it's busy doing something and we need to
    indicate that to the user.  */
-static int Busy(int argc, char **argv, Coord x, Coord y)
+static int Busy(int argc, const char **argv, Coord x, Coord y)
 {
 	static Cursor busy_cursor = 0;
 	if (busy_cursor == 0)
@@ -325,7 +325,7 @@
 
 /* Local actions.  */
 
-static int PointCursor(int argc, char **argv, Coord x, Coord y)
+static int PointCursor(int argc, const char **argv, Coord x, Coord y)
 {
 	if (argc > 0)
 		over_point = 1;
@@ -335,7 +335,7 @@
 	return 0;
 }
 
-static int PCBChanged(int argc, char **argv, Coord x, Coord y)
+static int PCBChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	if (work_area == 0)
 		return 0;
@@ -389,7 +389,7 @@
 
 %end-doc */
 
-static int SetUnits(int argc, char **argv, Coord x, Coord y)
+static int SetUnits(int argc, const char **argv, Coord x, Coord y)
 {
 	const Unit *new_unit;
 	if (argc == 0)
@@ -449,7 +449,7 @@
 
 %end-doc */
 
-static int ZoomAction(int argc, char **argv, Coord x, Coord y)
+static int ZoomAction(int argc, const char **argv, Coord x, Coord y)
 {
 	const char *vp;
 	double v;
@@ -494,7 +494,7 @@
 
 static int pan_thumb_mode;
 
-static int PanAction(int argc, char **argv, Coord x, Coord y)
+static int PanAction(int argc, const char **argv, Coord x, Coord y)
 {
 	int mode;
 
@@ -563,7 +563,7 @@
 	return 0;
 }
 
-static int SwapSides(int argc, char **argv, Coord x, Coord y)
+static int SwapSides(int argc, const char **argv, Coord x, Coord y)
 {
 	int old_shown_side = conf_core.editor.show_solder_side;
 	int comp_group = GetLayerGroupNumberByNumber(component_silk_layer);
@@ -716,7 +716,7 @@
 
 %end-doc */
 
-static int Command(int argc, char **argv, Coord x, Coord y)
+static int Command(int argc, const char **argv, Coord x, Coord y)
 {
 	XtManageChild(m_cmd_label);
 	XtManageChild(m_cmd);
@@ -736,7 +736,7 @@
 
 %end-doc */
 
-static int Benchmark(int argc, char **argv, Coord x, Coord y)
+static int Benchmark(int argc, const char **argv, Coord x, Coord y)
 {
 	int i = 0;
 	time_t start, end;
@@ -769,7 +769,7 @@
 	return 0;
 }
 
-static int Center(int argc, char **argv, Coord x, Coord y)
+static int Center(int argc, const char **argv, Coord x, Coord y)
 {
 	x = GridFit(x, PCB->Grid, PCB->GridOffsetX);
 	y = GridFit(y, PCB->Grid, PCB->GridOffsetY);
@@ -822,7 +822,7 @@
 
 %end-doc */
 
-static int CursorAction(int argc, char **argv, Coord x, Coord y)
+static int CursorAction(int argc, const char **argv, Coord x, Coord y)
 {
 	UnitList extra_units_x = {
 		{"grid", PCB->Grid, 0},
Index: trunk/src_plugins/hid_lesstif/menu.c
===================================================================
--- trunk/src_plugins/hid_lesstif/menu.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/menu.c	(revision 3143)
@@ -52,7 +52,7 @@
 
 %end-doc */
 
-static int GetXY(int argc, char **argv, Coord x, Coord y)
+static int GetXY(int argc, const char **argv, Coord x, Coord y)
 {
 	return 0;
 }
@@ -81,7 +81,7 @@
 
 extern Widget lesstif_m_layer;
 
-static int LayersChanged(int argc, char **argv, Coord x, Coord y)
+static int LayersChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	int l, i, set;
 	const char *name;
@@ -312,7 +312,7 @@
 
 %end-doc */
 
-static int SelectLayer(int argc, char **argv, Coord x, Coord y)
+static int SelectLayer(int argc, const char **argv, Coord x, Coord y)
 {
 	int newl;
 	if (argc == 0)
@@ -345,7 +345,7 @@
 
 %end-doc */
 
-static int ToggleView(int argc, char **argv, Coord x, Coord y)
+static int ToggleView(int argc, const char **argv, Coord x, Coord y)
 {
 	int i, l;
 
Index: trunk/src_plugins/hid_lesstif/netlist.c
===================================================================
--- trunk/src_plugins/hid_lesstif/netlist.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/netlist.c	(revision 3143)
@@ -32,7 +32,7 @@
 static int n_netnode_strings;
 static int last_pick = -1;
 
-static int LesstifNetlistChanged(int argc, char **argv, Coord x, Coord y);
+static int LesstifNetlistChanged(int argc, const char **argv, Coord x, Coord y);
 
 static void pick_net(int pick)
 {
@@ -343,7 +343,7 @@
 	return 0;
 }
 
-static int LesstifNetlistChanged(int argc, char **argv, Coord x, Coord y)
+static int LesstifNetlistChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	int i;
 	if (!PCB->NetlistLib[NETLIST_EDITED].MenuN)
@@ -372,7 +372,7 @@
 
 %end-doc */
 
-static int LesstifNetlistShow(int argc, char **argv, Coord x, Coord y)
+static int LesstifNetlistShow(int argc, const char **argv, Coord x, Coord y)
 {
 	if (build_netlist_dialog())
 		return 0;
Index: trunk/src_plugins/hid_lesstif/styles.c
===================================================================
--- trunk/src_plugins/hid_lesstif/styles.c	(revision 3142)
+++ trunk/src_plugins/hid_lesstif/styles.c	(revision 3143)
@@ -83,7 +83,7 @@
 	"Thickness", "Diameter", "Hole", "Clearance"
 };
 
-static int RouteStylesChanged(int argc, char **argv, Coord x, Coord y);
+static int RouteStylesChanged(int argc, const char **argv, Coord x, Coord y);
 
 static void update_one_value(int i, Coord v)
 {
@@ -312,7 +312,7 @@
 
 %end-doc */
 
-static int AdjustStyle(int argc, char **argv, Coord x, Coord y)
+static int AdjustStyle(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!mainwind)
 		return 1;
@@ -375,7 +375,7 @@
 	return 0;
 }
 
-static int RouteStylesChanged(int argc, char **argv, Coord x, Coord y)
+static int RouteStylesChanged(int argc, const char **argv, Coord x, Coord y)
 {
 	int i, j, h;
 	if (!PCB || vtroutestyle_len(&PCB->RouteStyle) == 0)
Index: trunk/src_plugins/import_sch/import_sch.c
===================================================================
--- trunk/src_plugins/import_sch/import_sch.c	(revision 3142)
+++ trunk/src_plugins/import_sch/import_sch.c	(revision 3143)
@@ -50,7 +50,7 @@
 
 conf_import_sch_t conf_import_sch;
 
-extern int ActionExecuteFile(int argc, char **argv, Coord x, Coord y);
+extern int ActionExecuteFile(int argc, const char **argv, Coord x, Coord y);
 
 /* ---------------------------------------------------------------- */
 static const char import_syntax[] =
@@ -171,10 +171,10 @@
 
 %end-doc */
 
-static int ActionImport(int argc, char **argv, Coord x, Coord y)
+static int ActionImport(int argc, const char **argv, Coord x, Coord y)
 {
-	char *mode;
-	char **sources = NULL;
+	const char *mode;
+	const char **sources = NULL;
 	int nsources = 0;
 
 #ifdef DEBUG
@@ -184,7 +184,7 @@
 	mode = ACTION_ARG(0);
 
 	if (mode && strcasecmp(mode, "setdisperse") == 0) {
-		char *ds, *units;
+		const char *ds, *units;
 		char buf[50];
 
 		ds = ACTION_ARG(1);
@@ -200,7 +200,7 @@
 		else
 			AttributePut(PCB, "import::disperse", ds);
 		if (ACTION_ARG(1) == NULL)
-			free(ds);
+			free((char*)ds);
 		return 0;
 	}
 
@@ -265,7 +265,7 @@
 		} while (src);
 
 		if (nsources > 0) {
-			sources = (char **) malloc((nsources + 1) * sizeof(char *));
+			sources = (const char **) malloc((nsources + 1) * sizeof(char *));
 			nsources = -1;
 			do {
 				nsources++;
@@ -301,7 +301,7 @@
 		if (access(schname, F_OK))
 			return hid_action("ImportGUI");
 
-		sources = (char **) malloc(2 * sizeof(char *));
+		sources = (const char **) malloc(2 * sizeof(char *));
 		sources[0] = schname;
 		sources[1] = NULL;
 		nsources = 1;
@@ -309,7 +309,7 @@
 
 	if (strcasecmp(mode, "gnetlist") == 0) {
 		char *tmpfile = tempfile_name_new("gnetlist_output");
-		char **cmd;
+		const char **cmd;
 		int i;
 
 		if (tmpfile == NULL) {
@@ -317,7 +317,7 @@
 			return 1;
 		}
 
-		cmd = (char **) malloc((7 + nsources) * sizeof(char *));
+		cmd = (const char **) malloc((7 + nsources) * sizeof(char *));
 		cmd[0] = conf_import_sch.plugins.import_sch.gnetlist_program;
 		cmd[1] = "-g";
 		cmd[2] = "pcbfwd";
@@ -352,7 +352,7 @@
 	else if (strcasecmp(mode, "make") == 0) {
 		int must_free_tmpfile = 0;
 		char *tmpfile;
-		char *cmd[10];
+		const char *cmd[10];
 		int i;
 		char *srclist;
 		int srclen;
@@ -405,9 +405,9 @@
 		if (pcb_spawnvp(cmd)) {
 			if (must_free_tmpfile)
 				unlink(tmpfile);
-			free(cmd[2]);
-			free(cmd[3]);
-			free(cmd[4]);
+			free((char*)cmd[2]);
+			free((char*)cmd[3]);
+			free((char*)cmd[4]);
 			return 1;
 		}
 
@@ -415,9 +415,9 @@
 		cmd[1] = NULL;
 		ActionExecuteFile(1, cmd, 0, 0);
 
-		free(cmd[2]);
-		free(cmd[3]);
-		free(cmd[4]);
+		free((char*)cmd[2]);
+		free((char*)cmd[3]);
+		free((char*)cmd[4]);
 		if (must_free_tmpfile)
 			tempfile_unlink(tmpfile);
 	}
Index: trunk/src_plugins/oldactions/oldactions.c
===================================================================
--- trunk/src_plugins/oldactions/oldactions.c	(revision 3142)
+++ trunk/src_plugins/oldactions/oldactions.c	(revision 3143)
@@ -62,7 +62,7 @@
 
 %end-doc */
 
-static int ActionDumpLibrary(int argc, char **argv, Coord x, Coord y)
+static int ActionDumpLibrary(int argc, const char **argv, Coord x, Coord y)
 {
 #warning TODO: rewrite this code for the plug_footprint library_t
 /*	int i, j;
@@ -96,7 +96,7 @@
 
 static const char bell_help[] = "Attempt to produce audible notification (e.g. beep the speaker).";
 
-static int ActionBell(int argc, char **argv, Coord x, Coord y)
+static int ActionBell(int argc, const char **argv, Coord x, Coord y)
 {
 	gui->beep();
 	return 0;
@@ -127,7 +127,7 @@
 
 %end-doc */
 
-static int Debug(int argc, char **argv, Coord x, Coord y)
+static int Debug(int argc, const char **argv, Coord x, Coord y)
 {
 	int i;
 	printf("Debug:");
@@ -148,7 +148,7 @@
 
 %end-doc */
 
-static int Return(int argc, char **argv, Coord x, Coord y)
+static int Return(int argc, const char **argv, Coord x, Coord y)
 {
 	return atoi(argv[0]);
 }
@@ -172,7 +172,7 @@
 
 
 
-int djopt_set_auto_only(int argc, char **argv, Coord x, Coord y)
+int djopt_set_auto_only(int argc, const char **argv, Coord x, Coord y)
 {
 	conf_toggle(CFR_DESIGN, "plugins/djopt/auto_only");
 	return 0;
@@ -198,7 +198,7 @@
 
 %end-doc */
 
-int ActionToggleVendor(int argc, char **argv, Coord x, Coord y)
+int ActionToggleVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	conf_toggle(CFR_DESIGN, "plugins/vendor/enable");
 	return 0;
@@ -224,7 +224,7 @@
 
 %end-doc */
 
-int ActionEnableVendor(int argc, char **argv, Coord x, Coord y)
+int ActionEnableVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	conf_set(CFR_DESIGN, "plugins/vendor/enable", -1, "1", POL_OVERWRITE);
 	return 0;
@@ -248,7 +248,7 @@
 
 %end-doc */
 
-int ActionDisableVendor(int argc, char **argv, Coord x, Coord y)
+int ActionDisableVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	conf_set(CFR_DESIGN, "plugins/vendor/enable", -1, "0", POL_OVERWRITE);
 	return 0;
Index: trunk/src_plugins/propedit/propedit.c
===================================================================
--- trunk/src_plugins/propedit/propedit.c	(revision 3142)
+++ trunk/src_plugins/propedit/propedit.c	(revision 3143)
@@ -40,7 +40,7 @@
 TODO
 %end-doc */
 
-int propedit_action(int argc, char **argv, Coord x, Coord y)
+int propedit_action(int argc, const char **argv, Coord x, Coord y)
 {
 	pe_ctx_t ctx;
 	ctx.core_props = pcb_props_init();
@@ -105,4 +105,3 @@
 	REGISTER_ACTIONS(propedit_action_list, propedit_cookie)
 	return hid_propedit_uninit;
 }
-
Index: trunk/src_plugins/puller/puller.c
===================================================================
--- trunk/src_plugins/puller/puller.c	(revision 3142)
+++ trunk/src_plugins/puller/puller.c	(revision 3143)
@@ -384,7 +384,7 @@
 
 %end-doc */
 
-static int Puller(int argc, char **argv, Coord Ux, Coord Uy)
+static int Puller(int argc, const char **argv, Coord Ux, Coord Uy)
 {
 	double arc_angle, base_angle;
 #if TRACE1
@@ -2265,7 +2265,7 @@
 }
 #endif
 
-static int GlobalPuller(int argc, char **argv, Coord x, Coord y)
+static int GlobalPuller(int argc, const char **argv, Coord x, Coord y)
 {
 	int select_flags = 0;
 
Index: trunk/src_plugins/renumber/renumber.c
===================================================================
--- trunk/src_plugins/renumber/renumber.c	(revision 3142)
+++ trunk/src_plugins/renumber/renumber.c	(revision 3143)
@@ -54,7 +54,7 @@
 
 #define WTF 0
 
-static int ActionRenumber(int argc, char **argv, Coord x, Coord y)
+static int ActionRenumber(int argc, const char **argv, Coord x, Coord y)
 {
 	bool changed = false;
 	ElementTypePtr *element_list;
@@ -63,7 +63,7 @@
 	unsigned int tmpi;
 	size_t sz;
 	char *tmps;
-	char *name;
+	const char *name;
 	FILE *out;
 	static char *default_file = NULL;
 	size_t cnt_list_sz = 100;
@@ -104,7 +104,7 @@
 		fclose(out);
 		if (!gui->confirm_dialog(_("File exists!  Ok to overwrite?"), 0)) {
 			if (free_name && name)
-				free(name);
+				free((char*)name);
 			return 0;
 		}
 	}
@@ -112,12 +112,12 @@
 	if ((out = fopen(name, "w")) == NULL) {
 		Message(PCB_MSG_DEFAULT, _("Could not open %s\n"), name);
 		if (free_name && name)
-			free(name);
+			free((char*)name);
 		return 1;
 	}
 
 	if (free_name && name)
-		free(name);
+		free((char*)name);
 
 	fprintf(out, "*COMMENT* PCB Annotation File\n");
 	fprintf(out, "*FILEVERSION* 20061031\n");
Index: trunk/src_plugins/report/report.c
===================================================================
--- trunk/src_plugins/report/report.c	(revision 3142)
+++ trunk/src_plugins/report/report.c	(revision 3143)
@@ -61,7 +61,7 @@
 
 #define USER_UNITMASK (conf_core.editor.grid_unit->allow)
 
-static int ReportDrills(int argc, char **argv, Coord x, Coord y)
+static int ReportDrills(int argc, const char **argv, Coord x, Coord y)
 {
 	DrillInfoTypePtr AllDrills;
 	Cardinal n;
@@ -118,7 +118,7 @@
 
 %end-doc */
 
-static int ReportDialog(int argc, char **argv, Coord x, Coord y)
+static int ReportDialog(int argc, const char **argv, Coord x, Coord y)
 {
 	void *ptr1, *ptr2, *ptr3;
 	int type;
@@ -468,7 +468,7 @@
 	return 0;
 }
 
-static int ReportFoundPins(int argc, char **argv, Coord x, Coord y)
+static int ReportFoundPins(int argc, const char **argv, Coord x, Coord y)
 {
 	gds_t list;
 	int col = 0;
@@ -542,7 +542,7 @@
 	return length;
 }
 
-static int ReportAllNetLengths(int argc, char **argv, Coord x, Coord y)
+static int ReportAllNetLengths(int argc, const char **argv, Coord x, Coord y)
 {
 	int ni;
 	int found;
@@ -624,7 +624,7 @@
 	return 0;
 }
 
-static int ReportNetLength(int argc, char **argv, Coord x, Coord y)
+static int ReportNetLength(int argc, const char **argv, Coord x, Coord y)
 {
 	Coord length = 0;
 	char *netname = 0;
@@ -715,7 +715,7 @@
 	return 0;
 }
 
-static int ReportNetLengthByName(char *tofind, int x, int y)
+static int ReportNetLengthByName(const char *tofind, int x, int y)
 {
 	char *netname = 0;
 	Coord length = 0;
@@ -862,7 +862,7 @@
 
 %end-doc */
 
-static int Report(int argc, char **argv, Coord x, Coord y)
+static int Report(int argc, const char **argv, Coord x, Coord y)
 {
 	if ((argc < 1) || (argc > 2))
 		AUSAGE(report);
Index: trunk/src_plugins/shand_cmd/command.c
===================================================================
--- trunk/src_plugins/shand_cmd/command.c	(revision 3142)
+++ trunk/src_plugins/shand_cmd/command.c	(revision 3143)
@@ -76,7 +76,7 @@
 
 %end-doc */
 
-static int CommandHelp(int argc, char **argv, Coord x, Coord y)
+static int CommandHelp(int argc, const char **argv, Coord x, Coord y)
 {
 	Message(PCB_MSG_DEFAULT, "following commands are supported:\n"
 					"  Command()   execute an action command (too numerous to list)\n"
@@ -110,9 +110,9 @@
 
 %end-doc */
 
-static int CommandLoadLayout(int argc, char **argv, Coord x, Coord y)
+static int CommandLoadLayout(int argc, const char **argv, Coord x, Coord y)
 {
-	char *filename, *format = NULL;
+	const char *filename, *format = NULL;
 
 	switch (argc) {
 	case 2:
@@ -146,9 +146,9 @@
 
 %end-doc */
 
-static int CommandLoadElementToBuffer(int argc, char **argv, Coord x, Coord y)
+static int CommandLoadElementToBuffer(int argc, const char **argv, Coord x, Coord y)
 {
-	char *filename;
+	const char *filename;
 
 	switch (argc) {
 	case 1:											/* filename is passed in commandline */
@@ -180,9 +180,9 @@
 
 %end-doc */
 
-static int CommandLoadLayoutToBuffer(int argc, char **argv, Coord x, Coord y)
+static int CommandLoadLayoutToBuffer(int argc, const char **argv, Coord x, Coord y)
 {
-	char *filename, *format = NULL;
+	const char *filename, *format = NULL;
 
 	switch (argc) {
 	case 2:
@@ -215,7 +215,7 @@
 
 %end-doc */
 
-static int CommandQuit(int argc, char **argv, Coord x, Coord y)
+static int CommandQuit(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!PCB->Changed || gui->close_confirm_dialog() == HID_CLOSE_CONFIRM_OK)
 		QuitApplication();
@@ -235,7 +235,7 @@
 
 %end-doc */
 
-static int CommandReallyQuit(int argc, char **argv, Coord x, Coord y)
+static int CommandReallyQuit(int argc, const char **argv, Coord x, Coord y)
 {
 	QuitApplication();
 	return 0;
@@ -261,9 +261,9 @@
 
 %end-doc */
 
-static int CommandLoadNetlist(int argc, char **argv, Coord x, Coord y)
+static int CommandLoadNetlist(int argc, const char **argv, Coord x, Coord y)
 {
-	char *filename;
+	const char *filename;
 
 	switch (argc) {
 	case 1:											/* filename is passed in commandline */
@@ -311,7 +311,7 @@
 
 %end-doc */
 
-static int CommandSaveLayout(int argc, char **argv, Coord x, Coord y)
+static int CommandSaveLayout(int argc, const char **argv, Coord x, Coord y)
 {
 	switch (argc) {
 	case 0:
@@ -355,7 +355,7 @@
 
 %end-doc */
 
-static int CommandSaveLayoutAndQuit(int argc, char **argv, Coord x, Coord y)
+static int CommandSaveLayoutAndQuit(int argc, const char **argv, Coord x, Coord y)
 {
 	if (!CommandSaveLayout(argc, argv, x, y))
 		return CommandQuit(0, 0, 0, 0);
Index: trunk/src_plugins/vendordrill/vendor.c
===================================================================
--- trunk/src_plugins/vendordrill/vendor.c	(revision 3142)
+++ trunk/src_plugins/vendordrill/vendor.c	(revision 3143)
@@ -101,7 +101,7 @@
 sizes for your vendor.
 %end-doc */
 
-int ActionApplyVendor(int argc, char **argv, Coord x, Coord y)
+int ActionApplyVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	hid_action("Busy");
 	apply_vendor_map();
@@ -122,7 +122,7 @@
 
 %end-doc */
 
-int ActionUnloadVendor(int argc, char **argv, Coord x, Coord y)
+int ActionUnloadVendor(int argc, const char **argv, Coord x, Coord y)
 {
 	cached_drill = -1;
 
@@ -150,9 +150,9 @@
 
 %end-doc */
 
-int ActionLoadVendorFrom(int argc, char **argv, Coord x, Coord y)
+int ActionLoadVendorFrom(int argc, const char **argv, Coord x, Coord y)
 {
-	char *fname = NULL;
+	const char *fname = NULL;
 	static char *default_file = NULL;
 	const char *sval;
 	lht_doc_t *doc;
@@ -161,7 +161,7 @@
 
 	cached_drill = -1;
 
-	fname = argc ? argv[0] : 0;
+	fname = argc ? argv[0] : NULL;
 
 	if (!fname || !*fname) {
 		fname = gui->fileselect(_("Load Vendor Resource File..."),
@@ -290,7 +290,7 @@
 
 	apply_vendor_map();
 	if (free_fname)
-		free(fname);
+		free((char*)fname);
 	lht_dom_uninit(doc);
 	return 0;
 }