Update.

2004-11-22  Ulrich Drepper  <drepper@redhat.com>

	* dirent/dirent.h: Add __nonnull attributes.
	* dlfcn/dlfcn.h: Likewise.

ChangeLog

@@ -1,3 +1,8 @@
+2004-11-22  Ulrich Drepper  <drepper@redhat.com>
+
+	* dirent/dirent.h: Add __nonnull attributes.
+	* dlfcn/dlfcn.h: Likewise.
+
 2004-11-20  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/ieee754/k_standard.c: Document code 50.

dirent/dirent.h

@@ -132,14 +132,14 @@ typedef struct __dirstream DIR;
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern DIR *opendir (__const char *__name);
+extern DIR *opendir (__const char *__name) __nonnull ((1));
 
 /* Close the directory stream DIRP.
    Return 0 if successful, -1 if not.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern int closedir (DIR *__dirp);
+extern int closedir (DIR *__dirp) __nonnull ((1));
 
 /* Read a directory entry from DIRP.  Return a pointer to a `struct
    dirent' describing the entry, or NULL for EOF or error.  The
@@ -152,17 +152,18 @@ extern int closedir (DIR *__dirp);
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
 #ifndef __USE_FILE_OFFSET64
-extern struct dirent *readdir (DIR *__dirp);
+extern struct dirent *readdir (DIR *__dirp) __nonnull ((1));
 #else
 # ifdef __REDIRECT
-extern struct dirent *__REDIRECT (readdir, (DIR *__dirp), readdir64);
+extern struct dirent *__REDIRECT (readdir, (DIR *__dirp), readdir64)
+     __nonnull ((1));
 # else
 #  define readdir readdir64
 # endif
 #endif
 
 #ifdef __USE_LARGEFILE64
-extern struct dirent64 *readdir64 (DIR *__dirp);
+extern struct dirent64 *readdir64 (DIR *__dirp) __nonnull ((1));
 #endif
 
 #if defined __USE_POSIX || defined __USE_MISC
@@ -174,14 +175,15 @@ extern struct dirent64 *readdir64 (DIR *__dirp);
 # ifndef __USE_FILE_OFFSET64
 extern int readdir_r (DIR *__restrict __dirp,
 		      struct dirent *__restrict __entry,
-		      struct dirent **__restrict __result);
+		      struct dirent **__restrict __result)
+     __nonnull ((1, 2, 3));
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT (readdir_r,
 		       (DIR *__restrict __dirp,
 			struct dirent *__restrict __entry,
 			struct dirent **__restrict __result),
-		       readdir64_r);
+		       readdir64_r) __nonnull ((1, 2, 3));
 #  else
 #   define readdir_r readdir64_r
 #  endif
@@ -190,27 +192,28 @@ extern int __REDIRECT (readdir_r,
 # ifdef __USE_LARGEFILE64
 extern int readdir64_r (DIR *__restrict __dirp,
 			struct dirent64 *__restrict __entry,
-			struct dirent64 **__restrict __result);
+			struct dirent64 **__restrict __result)
+     __nonnull ((1, 2, 3));
 # endif
 #endif	/* POSIX or misc */
 
 /* Rewind DIRP to the beginning of the directory.  */
-extern void rewinddir (DIR *__dirp) __THROW;
+extern void rewinddir (DIR *__dirp) __THROW __nonnull ((1));
 
 #if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN
 # include <bits/types.h>
 
 /* Seek to position POS on DIRP.  */
-extern void seekdir (DIR *__dirp, long int __pos) __THROW;
+extern void seekdir (DIR *__dirp, long int __pos) __THROW __nonnull ((1));
 
 /* Return the current position of DIRP.  */
-extern long int telldir (DIR *__dirp) __THROW;
+extern long int telldir (DIR *__dirp) __THROW __nonnull ((1));
 #endif
 
 #if defined __USE_BSD || defined __USE_MISC
 
 /* Return the file descriptor used by DIRP.  */
-extern int dirfd (DIR *__dirp) __THROW;
+extern int dirfd (DIR *__dirp) __THROW __nonnull ((1));
 
 # if defined __OPTIMIZE__ && defined _DIR_dirfd
 #  define dirfd(dirp)	_DIR_dirfd (dirp)
@@ -239,15 +242,16 @@ extern int dirfd (DIR *__dirp) __THROW;
 extern int scandir (__const char *__restrict __dir,
 		    struct dirent ***__restrict __namelist,
 		    int (*__selector) (__const struct dirent *),
-		    int (*__cmp) (__const void *, __const void *));
+		    int (*__cmp) (__const void *, __const void *))
+     __nonnull ((1, 2));
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT (scandir,
 		       (__const char *__restrict __dir,
 			struct dirent ***__restrict __namelist,
 			int (*__selector) (__const struct dirent *),
 			int (*__cmp) (__const void *, __const void *)),
-		       scandir64);
+		       scandir64) __nonnull ((1, 2));
 #  else
 #   define scandir scandir64
 #  endif
@@ -259,46 +263,48 @@ extern int __REDIRECT (scandir,
 extern int scandir64 (__const char *__restrict __dir,
 		      struct dirent64 ***__restrict __namelist,
 		      int (*__selector) (__const struct dirent64 *),
-		      int (*__cmp) (__const void *, __const void *));
+		      int (*__cmp) (__const void *, __const void *))
+     __nonnull ((1, 2));
 # endif
 
 /* Function to compare two `struct dirent's alphabetically.  */
 # ifndef __USE_FILE_OFFSET64
 extern int alphasort (__const void *__e1, __const void *__e2)
-     __THROW __attribute_pure__;
+     __THROW __attribute_pure__ __nonnull ((1, 2));
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT_NTH (alphasort,
 			   (__const void *__e1, __const void *__e2),
-			   alphasort64) __attribute_pure__;
+			   alphasort64) __attribute_pure__ __nonnull ((1, 2));
 #  else
 #   define alphasort alphasort64
 #  endif
 # endif
 
 # if defined __USE_GNU && defined __USE_LARGEFILE64
 extern int alphasort64 (__const void *__e1, __const void *__e2)
-     __THROW __attribute_pure__;
+     __THROW __attribute_pure__ __nonnull ((1, 2));
 # endif
 
 # ifdef __USE_GNU
 /* Function to compare two `struct dirent's by name & version.  */
 #  ifndef __USE_FILE_OFFSET64
 extern int versionsort (__const void *__e1, __const void *__e2)
-     __THROW __attribute_pure__;
+     __THROW __attribute_pure__ __nonnull ((1, 2));
 #  else
 #   ifdef __REDIRECT
 extern int __REDIRECT_NTH (versionsort,
 			   (__const void *__e1, __const void *__e2),
-			   versionsort64) __attribute_pure__;
+			   versionsort64)
+     __attribute_pure__ __nonnull ((1, 2));
 #   else
 #    define versionsort versionsort64
 #   endif
 #  endif
 
 #  ifdef __USE_LARGEFILE64
 extern int versionsort64 (__const void *__e1, __const void *__e2)
-     __THROW __attribute_pure__;
+     __THROW __attribute_pure__ __nonnull ((1, 2));
 #  endif
 # endif
 
@@ -309,14 +315,15 @@ extern int versionsort64 (__const void *__e1, __const void *__e2)
 # ifndef __USE_FILE_OFFSET64
 extern __ssize_t getdirentries (int __fd, char *__restrict __buf,
 				size_t __nbytes,
-				__off_t *__restrict __basep) __THROW;
+				__off_t *__restrict __basep)
+     __THROW __nonnull ((2, 4));
 # else
 #  ifdef __REDIRECT
 extern __ssize_t __REDIRECT_NTH (getdirentries,
 				 (int __fd, char *__restrict __buf,
 				  size_t __nbytes,
 				  __off64_t *__restrict __basep),
-				 getdirentries64);
+				 getdirentries64) __nonnull ((2, 4));
 #  else
 #   define getdirentries getdirentries64
 #  endif
@@ -325,7 +332,8 @@ extern __ssize_t __REDIRECT_NTH (getdirentries,
 # ifdef __USE_LARGEFILE64
 extern __ssize_t getdirentries64 (int __fd, char *__restrict __buf,
 				  size_t __nbytes,
-				  __off64_t *__restrict __basep) __THROW;
+				  __off64_t *__restrict __basep)
+     __THROW __nonnull ((2, 4));
 # endif
 
 #endif /* Use BSD or misc.  */

dlfcn/dlfcn.h

@@ -54,16 +54,16 @@ __BEGIN_DECLS
 
 /* Open the shared object FILE and map it in; return a handle that can be
    passed to `dlsym' to get symbol values from it.  */
-extern void *dlopen (__const char *__file, int __mode) __THROW;
+extern void *dlopen (__const char *__file, int __mode) __THROW __nonnull ((1));
 
 /* Unmap and close a shared object opened by `dlopen'.
    The handle cannot be used again after calling `dlclose'.  */
-extern int dlclose (void *__handle) __THROW;
+extern int dlclose (void *__handle) __THROW __nonnull ((1));
 
 /* Find the run-time address in the shared object HANDLE refers to
    of the symbol called NAME.  */
 extern void *dlsym (void *__restrict __handle,
-		    __const char *__restrict __name) __THROW;
+		    __const char *__restrict __name) __THROW __nonnull ((2));
 
 #ifdef __USE_GNU
 /* Like `dlopen', but request object to be allocated in a new namespace.  */
@@ -73,7 +73,8 @@ extern void *dlmopen (Lmid_t __nsid, __const char *__file, int __mode) __THROW;
    of the symbol called NAME with VERSION.  */
 extern void *dlvsym (void *__restrict __handle,
 		     __const char *__restrict __name,
-		     __const char *__restrict __version) __THROW;
+		     __const char *__restrict __version)
+     __THROW __nonnull ((2, 3));
 #endif
 
 /* When any of the above functions fails, call this function
@@ -95,11 +96,12 @@ typedef struct
 
 /* Fill in *INFO with the following information about ADDRESS.
    Returns 0 iff no shared object's segments contain that address.  */
-extern int dladdr (__const void *__address, Dl_info *__info) __THROW;
+extern int dladdr (__const void *__address, Dl_info *__info)
+     __THROW __nonnull ((2));
 
 /* Same as `dladdr', but additionally sets *EXTRA_INFO according to FLAGS.  */
 extern int dladdr1 (__const void *__address, Dl_info *__info,
-		    void **__extra_info, int __flags) __THROW;
+		    void **__extra_info, int __flags) __THROW __nonnull ((2));
 
 /* These are the possible values for the FLAGS argument to `dladdr1'.
    This indicates what extra information is stored at *EXTRA_INFO.
@@ -120,7 +122,8 @@ enum
    On success, returns zero.  On failure, returns -1 and records an error
    message to be fetched with `dlerror'.  */
 extern int dlinfo (void *__restrict __handle,
-		   int __request, void *__restrict __arg);
+		   int __request, void *__restrict __arg)
+     __THROW __nonnull ((1, 3));
 
 /* These are the possible values for the REQUEST argument to `dlinfo'.  */
 enum