[PATCH 2/2] Use NULL instead of 0 in bits/socket.h

[Pavel Roskin]

---

 sysdeps/unix/bsd/bsd4.4/bits/socket.h       |    4 ++--
 sysdeps/unix/sysv/linux/bits/socket.h       |    4 ++--
 sysdeps/unix/sysv/linux/sparc/bits/socket.h |    4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/sysdeps/unix/bsd/bsd4.4/bits/socket.h b/sysdeps/unix/bsd/bsd4.4/bits/socket.h
index 2ccd01d..79251ab 100644
--- a/sysdeps/unix/bsd/bsd4.4/bits/socket.h
+++ b/sysdeps/unix/bsd/bsd4.4/bits/socket.h
@@ -236,7 +236,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */
-    return 0;
+    return NULL;
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
@@ -245,7 +245,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
 	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
-    return 0;
+    return NULL;
   return __cmsg;
 }
 #endif	/* Use `extern inline'.  */
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 36757d6..3a20e91 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -318,7 +318,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */
-    return 0;
+    return NULL;
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
@@ -327,7 +327,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
 	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
-    return 0;
+    return NULL;
   return __cmsg;
 }
 #endif	/* Use `extern inline'.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/socket.h b/sysdeps/unix/sysv/linux/sparc/bits/socket.h
index 5f85d21..ccbdcef 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/socket.h
@@ -318,7 +318,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */
-    return 0;
+    return NULL;
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
@@ -327,7 +327,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
 	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
-    return 0;
+    return NULL;
   return __cmsg;
 }
 #endif	/* Use `extern inline'.  */