{src,util}: Use NULL instead of 0 for pointer

Change-Id: I75fa4577055f25dde0a8b1044c005bba72cabd92
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26857
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/drivers/intel/fsp1_0/hob.c

@@ -167,7 +167,7 @@ void print_guid_type_attributes(void *Hobptr)
 void print_hob_type_structure(u16 Hobtype, void *Hoblistptr)
 {
 	u32 *Currenthob;
-	u32 *Nexthob = 0;
+	u32 *Nexthob = NULL;
 	u8  Lasthob = 0;
 	u32 Currenttype;
 	const char *Currenttypestr;

src/lib/libgcov.c

@@ -409,7 +409,7 @@ gcov_exit(void)
 		gcov_position_t summary_pos = 0;
 		gcov_position_t eof_pos = 0;
 		const char *fname, *s;
-		struct gcov_fn_buffer *fn_buffer = 0;
+		struct gcov_fn_buffer *fn_buffer = NULL;
 		struct gcov_fn_buffer **fn_tail = &fn_buffer;
 
 		fname = gi_ptr->filename;

src/mainboard/google/link/i915.c

@@ -157,7 +157,7 @@ static unsigned long times[4096];
 static int run(int index)
 {
 	int i, prev = 0;
-	struct iodef *id, *lastidread = 0;
+	struct iodef *id, *lastidread = NULL;
 	unsigned long u, t;
 	if (index >= niodefs)
 		return index;

src/northbridge/amd/lx/northbridgeinit.c

@@ -236,7 +236,7 @@ static void GLIUInit(struct gliutable *gl)
 	/* ************************************************************************** */
 static void GLPCIInit(void)
 {
-	struct gliutable *gl = 0;
+	struct gliutable *gl = NULL;
 	int i;
 	msr_t msr;
 	int msrnum, enable_preempt, enable_cpu_override;
@@ -604,7 +604,7 @@ static void rom_shadow_settings(void)
 
 static void enable_L1_cache(void)
 {
-	struct gliutable *gl = 0;
+	struct gliutable *gl = NULL;
 	int i;
 	msr_t msr;
 	uint8_t SysMemCacheProp;

util/kconfig/lxdialog/util.c

@@ -383,7 +383,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
 {
 	int newl, cur_x, cur_y;
 	int prompt_len, room, wlen;
-	char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = 0;
+	char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = NULL;
 
 	strcpy(tempstr, prompt);
 

util/kconfig/nconf.c

@@ -1078,7 +1078,7 @@ static int do_match(int key, struct match_state *state, int *ans)
 
 static void conf(struct menu *menu)
 {
-	struct menu *submenu = 0;
+	struct menu *submenu = NULL;
 	const char *prompt = menu_get_prompt(menu);
 	struct symbol *sym;
 	int res;
@@ -1245,7 +1245,7 @@ static void show_help(struct menu *menu)
 static void conf_choice(struct menu *menu)
 {
 	const char *prompt = _(menu_get_prompt(menu));
-	struct menu *child = 0;
+	struct menu *child = NULL;
 	struct symbol *active;
 	int selected_index = 0;
 	int last_top_row = 0;

util/kconfig/qconf.h

@@ -43,7 +43,7 @@ class ConfigList : public QTreeWidget {
 	Q_OBJECT
 	typedef class QTreeWidget Parent;
 public:
-	ConfigList(ConfigView* p, const char *name = 0);
+	ConfigList(ConfigView* p, const char *name = NULL);
 	void reinit(void);
 	ConfigView* parent(void) const
 	{
@@ -209,7 +209,7 @@ class ConfigView : public QWidget {
 	Q_OBJECT
 	typedef class QWidget Parent;
 public:
-	ConfigView(QWidget* parent, const char *name = 0);
+	ConfigView(QWidget* parent, const char *name = NULL);
 	~ConfigView(void);
 	static void updateList(ConfigItem* item);
 	static void updateListAll(void);
@@ -242,7 +242,7 @@ class ConfigInfoView : public QTextBrowser {
 	Q_OBJECT
 	typedef class QTextBrowser Parent;
 public:
-	ConfigInfoView(QWidget* parent, const char *name = 0);
+	ConfigInfoView(QWidget* parent, const char *name = NULL);
 	bool showDebug(void) const { return _showDebug; }
 
 public slots:
@@ -272,7 +272,7 @@ class ConfigSearchWindow : public QDialog {
 	Q_OBJECT
 	typedef class QDialog Parent;
 public:
-	ConfigSearchWindow(ConfigMainWindow* parent, const char *name = 0);
+	ConfigSearchWindow(ConfigMainWindow* parent, const char *name = NULL);
 
 public slots:
 	void saveSettings(void);

util/kconfig/regex.c

@@ -1090,12 +1090,12 @@ regex_compile (pattern, size, syntax, bufp)
      command.  This makes it possible to tell if a new exact-match
      character can be added to that command or if the character requires
      a new `exactn' command.  */
-  unsigned char *pending_exact = 0;
+  unsigned char *pending_exact = NULL;
 
   /* Address of start of the most recently finished expression.
      This tells, e.g., postfix * where to find the start of its
      operand.  Reset at the beginning of groups and alternatives.  */
-  unsigned char *laststart = 0;
+  unsigned char *laststart = NULL;
 
   /* Address of beginning of regexp, or inside of last group.  */
   unsigned char *begalt;
@@ -1107,7 +1107,7 @@ regex_compile (pattern, size, syntax, bufp)
   /* Address of the place where a forward jump should go to the end of
      the containing expression.  Each alternative of an `or' -- except the
      last -- ends with a forward jump of this sort.  */
-  unsigned char *fixup_alt_jump = 0;
+  unsigned char *fixup_alt_jump = NULL;
 
   /* Counts open-groups as they are encountered.  Remembered for the
      matching close-group on the compile stack, so the same register

util/vgabios/testbios.c

@@ -135,8 +135,8 @@ biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long
 int main(int argc, char **argv)
 {
 	int ret;
-	char *absegname = 0;
-	void *abseg = 0;
+	char *absegname = NULL;
+	void *abseg = NULL;
 	int c, trace = 0;
 	unsigned char *cp;
 	char *filename;