[musl] [C23 printf 3/3] C23: implement the wfN length modifiers for printf

[Jens Gustedt <Jens.Gustedt@inria.fr>]

Musl only has a difference between fixed-width and fastest-width
integer types for N == 16. And even here all architectures have made
the same choice, namely mapping to 32 bit types.
---
 src/stdio/vfprintf.c  | 3 +++
 src/stdio/vfwprintf.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 265fb7ad..a531a513 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -534,8 +534,11 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
 			ps=st;
 			st=states[st]S(*s++);
  			if (st == WPRE) {
+                        	_Bool fast = (*s == 'f');
+                                if (fast) ++s;
 				if (*s == '0') goto inval;
 				width = getint(&s);
+                                if (fast && width == 16) width = 32;
                         }
 		} while (st-1<STOP);
 		if (!st) goto inval;
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c
index c3e81d2a..3689c2d5 100644
--- a/src/stdio/vfwprintf.c
+++ b/src/stdio/vfwprintf.c
@@ -249,8 +249,11 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
 			ps=st;
 			st=states[st]S(*s++);
  			if (st == WPRE) {
+                        	_Bool fast = (*s == L'f');
+                                if (fast) ++s;
 				if (*s == L'0') goto inval;
 				width = getint(&s);
+                                if (fast && width == 16) width = 32;
                         }
 		} while (st-1<STOP);
 		if (!st) goto inval;
-- 
2.34.1