[Patch] associate a deallocator for iconv_open

[Steve Grubb]

This patch associates iconv_close as a deallocator for iconv_open. This
required moving the iconv_close declaration above iconv_open.

---
 iconv.h |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
---
diff -urp glibc-2.35.9000-111-g2bbc694df2.orig/iconv/iconv.h glibc-2.35.9000-111-g2bbc694df2/iconv/iconv.h
--- glibc-2.35.9000-111-g2bbc694df2.orig/iconv/iconv.h	2022-02-28 10:47:38.000000000 -0500
+++ glibc-2.35.9000-111-g2bbc694df2/iconv/iconv.h	2022-03-11 15:06:20.679084344 -0500
@@ -29,12 +29,19 @@ __BEGIN_DECLS
 typedef void *iconv_t;
 
 
+/* Free resources allocated for descriptor CD for code conversion.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int iconv_close (iconv_t __cd);
+
 /* Allocate descriptor for code conversion from codeset FROMCODE to
    codeset TOCODE.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern iconv_t iconv_open (const char *__tocode, const char *__fromcode);
+extern iconv_t iconv_open (const char *__tocode, const char *__fromcode)
+	__attribute_malloc__ __attr_dealloc (iconv_close, 1);
 
 /* Convert at most *INBYTESLEFT bytes from *INBUF according to the
    code conversion algorithm specified by CD and place up to
@@ -44,12 +51,6 @@ extern size_t iconv (iconv_t __cd, char
 		     char **__restrict __outbuf,
 		     size_t *__restrict __outbytesleft);
 
-/* Free resources allocated for descriptor CD for code conversion.
-
-   This function is a possible cancellation point and therefore not
-   marked with __THROW.  */
-extern int iconv_close (iconv_t __cd);
-
 __END_DECLS
 
 #endif /* iconv.h */