lib/agetpass.*: agetpass(), agetpass_stdin(): Re-implement as macros

Signed-off-by: Alejandro Colomar <[email protected]>

lib/agetpass.c

@@ -1,7 +1,5 @@
-/*
- * SPDX-FileCopyrightText: 2022-2023, Alejandro Colomar <[email protected]>
- * SPDX-License-Identifier: BSD-3-Clause
- */
+// SPDX-FileCopyrightText: 2022-2025, Alejandro Colomar <[email protected]>
+// SPDX-License-Identifier: BSD-3-Clause
 
 
 #include <config.h>
@@ -10,7 +8,4 @@
 
 
 extern inline void erase_pass(char *pass);
-extern inline char *agetpass(const char *prompt);
-extern inline char *agetpass_stdin();
-
 extern inline char *agetpass_internal(const char *prompt, int flags);

lib/agetpass.h

@@ -1,8 +1,5 @@
-/*
- * SPDX-FileCopyrightText:  2022, Alejandro Colomar <[email protected]>
- *
- * SPDX-License-Identifier:  BSD-3-Clause
- */
+// SPDX-FileCopyrightText: 2022-2025, Alejandro Colomar <[email protected]>
+// SPDX-License-Identifier: BSD-3-Clause
 
 
 #ifndef SHADOW_INCLUDE_LIB_AGETPASS_H_
@@ -23,12 +20,12 @@
 #endif /* WITH_LIBBSD */
 
 
-inline void erase_pass(char *pass);
-
 // Similar to getpass(3), but free of its problems.
-inline char *agetpass(const char *prompt);
-inline char *agetpass_stdin();
+#define agetpass(prompt)  agetpass_internal(prompt, RPP_REQUIRE_TTY)
+#define agetpass_stdin()  agetpass_internal(NULL, RPP_STDIN)
+
 
+inline void erase_pass(char *pass);
 ATTR_MALLOC(erase_pass)
 inline char *agetpass_internal(const char *prompt, int flags);
 
@@ -67,17 +64,6 @@ agetpass_internal(const char *prompt, int flags)
 	return NULL;
 }
 
-inline char *
-agetpass(const char *prompt)
-{
-	return agetpass_internal(prompt, RPP_REQUIRE_TTY);
-}
-
-inline char *
-agetpass_stdin()
-{
-	return agetpass_internal(NULL, RPP_STDIN);
-}
 
 inline void
 erase_pass(char *pass)