lib/, src/, po/: date_to_str(): Move function to header, and make inline

BTW, there's no translatable string in there.

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

lib/Makefile.am

@@ -53,7 +53,6 @@ libshadow_la_SOURCES = \
 	console.c \
 	copydir.c \
 	csrand.c \
-	date_to_str.c \
 	defines.h \
 	encrypt.c \
 	env.c \
@@ -159,6 +158,8 @@ libshadow_la_SOURCES = \
 	subordinateio.h \
 	subordinateio.c \
 	sulog.c \
+	time/day_to_str.c \
+	time/day_to_str.h \
 	ttytype.c \
 	tz.c \
 	ulimit.c \

lib/prototypes.h

@@ -108,9 +108,6 @@ extern int copy_tree (const char *src_root, const char *dst_root,
                       uid_t old_uid, uid_t new_uid,
                       gid_t old_gid, gid_t new_gid);
 
-/* date_to_str.c */
-extern void date_to_str (size_t size, char buf[size], long date);
-
 /* encrypt.c */
 extern /*@exposed@*//*@null@*/char *pw_encrypt (const char *, const char *);
 

lib/time/day_to_str.c

@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: 2021-2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include <config.h>
+
+#include "time/day_to_str.h"
+
+
+extern inline void date_to_str(size_t size, char buf[size], long date);

lib/time/day_to_str.h

@@ -4,18 +4,21 @@
  */
 
 
+#ifndef SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_
+#define SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_
+
+
 #include <config.h>
 
-#include <string.h>
 #include <time.h>
 
-#ident "$Id$"
-
 #include "string/strtcpy.h"
-#include "prototypes.h"
 
 
-void
+inline void date_to_str(size_t size, char buf[size], long date);
+
+
+inline void
 date_to_str(size_t size, char buf[size], long date)
 {
 	time_t           t;
@@ -36,3 +39,6 @@ date_to_str(size_t size, char buf[size], long date)
 	if (strftime(buf, size, "%Y-%m-%d", tm) == 0)
 		(void) strtcpy(buf, "future", size);
 }
+
+
+#endif  // include guard

po/POTFILES.in

@@ -13,7 +13,6 @@ lib/cleanup_user.c
 lib/commonio.c
 lib/console.c
 lib/copydir.c
-lib/date_to_str.c
 lib/encrypt.c
 lib/env.c
 lib/failure.c

src/chage.c

@@ -27,19 +27,21 @@
 #include <pwd.h>
 
 #include "alloc.h"
-#include "prototypes.h"
 #include "defines.h"
 #include "memzero.h"
+#include "prototypes.h"
 #include "pwio.h"
 #include "shadowio.h"
 #include "shadowlog.h"
 #include "string/sprintf.h"
 #include "string/strtcpy.h"
+#include "time/day_to_str.h"
+/*@-exitarg@*/
+#include "exitcodes.h"
+
 #ifdef WITH_TCB
 #include "tcbfuncs.h"
 #endif
-/*@-exitarg@*/
-#include "exitcodes.h"
 
 
 /*

src/passwd.c

@@ -33,6 +33,8 @@
 #include "shadowio.h"
 #include "shadowlog.h"
 #include "string/strtcpy.h"
+#include "time/day_to_str.h"
+
 
 /*
  * exit status values

src/usermod.c

@@ -59,6 +59,7 @@
 #endif
 #include "shadowlog.h"
 #include "string/sprintf.h"
+#include "time/day_to_str.h"
 
 
 /*