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-rw-r--r--pwd/pwd.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/pwd/pwd.h b/pwd/pwd.h
index ff49564a94..fcfb2ab0e7 100644
--- a/pwd/pwd.h
+++ b/pwd/pwd.h
@@ -91,7 +91,7 @@ extern struct passwd *getpwent (void);
    cancellation point.  But due to similarity with an POSIX interface
    or due to the implementation it is a cancellation point and
    therefore not marked with __THROW.  */
-extern struct passwd *fgetpwent (FILE *__stream);
+extern struct passwd *fgetpwent (FILE *__stream) __nonnull ((1));
 
 /* Write the given entry onto the given stream.
 
@@ -100,7 +100,7 @@ extern struct passwd *fgetpwent (FILE *__stream);
    or due to the implementation it is a cancellation point and
    therefore not marked with __THROW.  */
 extern int putpwent (const struct passwd *__restrict __p,
-		     FILE *__restrict __f);
+		     FILE *__restrict __f) __nonnull ((1, 2));
 #endif
 
 /* Search for an entry with a matching user ID.
@@ -113,7 +113,7 @@ extern struct passwd *getpwuid (__uid_t __uid);
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern struct passwd *getpwnam (const char *__name);
+extern struct passwd *getpwnam (const char *__name) __nonnull ((1));
 
 #ifdef __USE_POSIX
 
@@ -138,18 +138,21 @@ extern struct passwd *getpwnam (const char *__name);
    therefore not marked with __THROW.  */
 extern int getpwent_r (struct passwd *__restrict __resultbuf,
 		       char *__restrict __buffer, size_t __buflen,
-		       struct passwd **__restrict __result);
+		       struct passwd **__restrict __result)
+		       __nonnull ((1, 2, 4));
 # endif
 
 extern int getpwuid_r (__uid_t __uid,
 		       struct passwd *__restrict __resultbuf,
 		       char *__restrict __buffer, size_t __buflen,
-		       struct passwd **__restrict __result);
+		       struct passwd **__restrict __result)
+		       __nonnull ((2, 3, 5));
 
 extern int getpwnam_r (const char *__restrict __name,
 		       struct passwd *__restrict __resultbuf,
 		       char *__restrict __buffer, size_t __buflen,
-		       struct passwd **__restrict __result);
+		       struct passwd **__restrict __result)
+		       __nonnull ((1, 2, 3, 5));
 
 
 # ifdef	__USE_MISC
@@ -163,7 +166,8 @@ extern int getpwnam_r (const char *__restrict __name,
 extern int fgetpwent_r (FILE *__restrict __stream,
 			struct passwd *__restrict __resultbuf,
 			char *__restrict __buffer, size_t __buflen,
-			struct passwd **__restrict __result);
+			struct passwd **__restrict __result)
+			__nonnull ((1, 2, 3, 5));
 # endif
 
 #endif	/* POSIX or reentrant */