More NULL pointer fixes

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

7 files changed, 13 insertions, 11 deletions

diff --git a/bsd-user/bsdload.c b/bsd-user/bsdload.c
index 05fd20acd1..14a93bf39b 100644
--- a/bsd-user/bsdload.c
+++ b/bsd-user/bsdload.c
@@ -163,7 +163,7 @@ int loader_exec(const char * filename, char ** argv, char ** envp,
 
     bprm.p = TARGET_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int);
     for (i=0 ; i<MAX_ARG_PAGES ; i++)       /* clear page-table */
-            bprm.page[i] = 0;
+            bprm.page[i] = NULL;
     retval = open(filename, O_RDONLY);
     if (retval < 0)
         return retval;
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index ed25e8519e..678f3e6ad9 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -1014,7 +1014,7 @@ static const char *lookup_symbolxx(struct syminfo *s, target_ulong orig_addr)
     key.st_value = orig_addr;
 
     sym = bsearch(&key, syms, s->disas_num_syms, sizeof(*syms), symfind);
-    if (sym != 0) {
+    if (sym != NULL) {
         return s->disas_strtab + sym->st_name;
     }
 
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 63d0ae4e90..a38167d333 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1220,7 +1220,7 @@ static const char *lookup_symbolxx(struct syminfo *s, target_ulong orig_addr)
     key.st_value = orig_addr;
 
     sym = bsearch(&key, syms, s->disas_num_syms, sizeof(*syms), symfind);
-    if (sym != 0) {
+    if (sym != NULL) {
         return s->disas_strtab + sym->st_name;
     }
 
diff --git a/linux-user/linuxload.c b/linux-user/linuxload.c
index 14c433ea23..4091bdcccc 100644
--- a/linux-user/linuxload.c
+++ b/linux-user/linuxload.c
@@ -165,7 +165,7 @@ int loader_exec(const char * filename, char ** argv, char ** envp,
 
     bprm->p = TARGET_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int);
     for (i=0 ; i<MAX_ARG_PAGES ; i++)       /* clear page-table */
-            bprm->page[i] = 0;
+            bprm->page[i] = NULL;
     retval = open(filename, O_RDONLY);
     if (retval < 0)
         return retval;
diff --git a/qemu-char.c b/qemu-char.c
index 2144d1a471..be27994012 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1947,7 +1947,7 @@ static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg)
 static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
 {
     TCPCharDriver *s = chr->opaque;
-    struct msghdr msg = { 0, };
+    struct msghdr msg = { NULL, };
     struct iovec iov[1];
     union {
         struct cmsghdr cmsg;
@@ -2212,7 +2212,7 @@ CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*i
     CharDriverState *chr;
 
     if (!strcmp(filename, "vc")) {
-        chr = text_console_init(0);
+        chr = text_console_init(NULL);
     } else
     if (strstart(filename, "vc:", &p)) {
         chr = text_console_init(p);
diff --git a/slirp/tcp_timer.c b/slirp/tcp_timer.c
index 556e32eadd..6c5bb11cc3 100644
--- a/slirp/tcp_timer.c
+++ b/slirp/tcp_timer.c
@@ -74,13 +74,15 @@ tcp_slowtimo(Slirp *slirp)
 	 * Search through tcb's and update active timers.
 	 */
 	ip = slirp->tcb.so_next;
-	if (ip == 0)
-	   return;
+        if (ip == NULL) {
+            return;
+        }
 	for (; ip != &slirp->tcb; ip = ipnxt) {
 		ipnxt = ip->so_next;
 		tp = sototcpcb(ip);
-		if (tp == 0)
-			continue;
+                if (tp == NULL) {
+                        continue;
+                }
 		for (i = 0; i < TCPT_NTIMERS; i++) {
 			if (tp->t_timer[i] && --tp->t_timer[i] == 0) {
 				tcp_timers(tp,i);
diff --git a/vnc_keysym.h b/vnc_keysym.h
index 2d255c9639..55cb87edec 100644
--- a/vnc_keysym.h
+++ b/vnc_keysym.h
@@ -320,5 +320,5 @@ static const name2keysym_t name2keysym[]={
 {"Katakana_Real", 0xff25},
 {"Eisu_toggle", 0xff30},
 
-{0,0},
+{NULL,0},
 };