lib/agetpass.h: Move prototypes to dedicated header

Signed-off-by: Alejandro Colomar <alx@kernel.org>

lib/Makefile.am

@@ -25,6 +25,7 @@ libshadow_la_SOURCES = \
 	addgrps.c \
 	age.c \
 	agetpass.c \
+	agetpass.h \
 	alloc.c \
 	alloc.h \
 	audit_help.c \

lib/agetpass.c

@@ -7,6 +7,8 @@
 
 #include <config.h>
 
+#include "agetpass.h"
+
 #include <limits.h>
 #include <readpassphrase.h>
 #include <stdio.h>
@@ -16,7 +18,6 @@
 #ident "$Id$"
 
 #include "alloc.h"
-#include "prototypes.h"
 
 #if WITH_LIBBSD == 0
 #include "freezero.h"

lib/agetpass.h

@@ -0,0 +1,21 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023, Alejandro Colomar <alx@kernel.org>
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#ifndef SHADOW_INCLUDE_LIB_AGETPASS_H_
+#define SHADOW_INCLUDE_LIB_AGETPASS_H_
+
+
+#include <config.h>
+
+#include "defines.h"
+
+
+void erase_pass(char *pass);
+ATTR_MALLOC(erase_pass)
+char *agetpass(const char *prompt);
+
+
+#endif  // include guard

lib/prototypes.h

@@ -43,11 +43,6 @@ extern int add_groups (const char *);
 extern void agecheck (/*@null@*/const struct spwd *);
 extern int expire (const struct passwd *, /*@null@*/const struct spwd *);
 
-/* agetpass.c */
-extern void erase_pass(char *pass);
-ATTR_MALLOC(erase_pass)
-extern char *agetpass(const char *prompt);
-
 /* isexpired.c */
 extern int isexpired (const struct passwd *, /*@null@*/const struct spwd *);
 

src/gpasswd.c

@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <sys/types.h>
 
+#include "agetpass.h"
 #include "alloc.h"
 #include "defines.h"
 #include "groupio.h"

src/newgrp.c

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <assert.h>
 
+#include "agetpass.h"
 #include "alloc.h"
 #include "defines.h"
 #include "getdef.h"

src/passwd.c

@@ -20,6 +20,7 @@
 #include <sys/types.h>
 #include <time.h>
 
+#include "agetpass.h"
 #include "alloc.h"
 #include "defines.h"
 #include "getdef.h"

src/sulogin.c

@@ -16,6 +16,8 @@
 #include <signal.h>
 #include <stdio.h>
 #include <sys/ioctl.h>
+
+#include "agetpass.h"
 #include "defines.h"
 #include "getdef.h"
 #include "memzero.h"