The big thing is locale dependent collation support.

Also added outdigit support and (legacy) YESSTR/NOSTR support.

2 files changed, 47 insertions, 9 deletions

diff --git a/libc/stdio/printf.c b/libc/stdio/printf.c
index 273bf3621..945d3c38d 100644
--- a/libc/stdio/printf.c
+++ b/libc/stdio/printf.c
@@ -2331,11 +2331,16 @@ static int _do_one_spec(FILE * __restrict stream,
 		}
 		if (ppfs->conv_num <= CONV_i) {	/* pointer or (un)signed int */
 			alphacase = __UIM_LOWER;
-			if (((base = spec_base[(int)(ppfs->conv_num - CONV_p)]) == 10)
-				&& (PRINT_INFO_FLAG_VAL(&(ppfs->info),group))
-				) {
-				alphacase = __UIM_GROUP;
+#ifndef __LOCALE_C_ONLY
+			if ((base = spec_base[(int)(ppfs->conv_num - CONV_p)]) == 10) {
+				if (PRINT_INFO_FLAG_VAL(&(ppfs->info),group)) {
+					alphacase = __UIM_GROUP;
+				}
+				if (PRINT_INFO_FLAG_VAL(&(ppfs->info),i18n)) {
+					alphacase |= 0x80;
+				}
 			}
+#endif /* __LOCALE_C_ONLY */
 			if (ppfs->conv_num <= CONV_u) { /* pointer or unsigned int */
 				if (ppfs->conv_num == CONV_X) {
 					alphacase = __UIM_UPPER;
@@ -2350,6 +2355,9 @@ static int _do_one_spec(FILE * __restrict stream,
 			if (ppfs->info.prec < 0) { /* Ignore '0' flag if prec specified. */
 				padchar = ppfs->info.pad;
 			}
+#ifdef __UCLIBC_MJN3_ONLY__
+#warning if using outdigits and/or grouping, how should we interpret precision?
+#endif
 			s = _uintmaxtostr(buf + sizeof(buf) - 1,
 							  (uintmax_t)
 							  _load_inttype(*argtype & __PA_INTMASK,
@@ -2557,6 +2565,9 @@ static int _do_one_spec(FILE * __restrict stream,
 			return -1;
 		}
 
+#ifdef __UCLIBC_MJN3_ONLY__
+#warning if using outdigits and/or grouping, how should we pad?
+#endif
 		{
 			size_t t;
 
diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c
index cf72a5ccc..e39cf5205 100644
--- a/libc/stdio/stdio.c
+++ b/libc/stdio/stdio.c
@@ -319,11 +319,11 @@ int putw(int w, FILE *stream)
 UNLOCKED(int,fileno,(register FILE *stream),(stream))
 {
 #ifdef __STDIO_GLIBC_CUSTOM_STREAMS
-	return ( ((stream->cookie == &(stream->filedes)) && (stream->filedes >= 0))
+	return ( (stream && (stream->cookie == &(stream->filedes)) && (stream->filedes >= 0))
 			 ? stream->filedes
 			 : (__set_errno(EBADF), -1) );
 #else  /* __STDIO_GLIBC_CUSTOM_STREAMS */
-	return (stream->filedes >= 0) ? stream->filedes : (__set_errno(EBADF), -1);
+	return ((stream && stream->filedes >= 0)) ? stream->filedes : (__set_errno(EBADF), -1);
 #endif /* __STDIO_GLIBC_CUSTOM_STREAMS */
 }
 
@@ -3331,7 +3331,7 @@ char *_uintmaxtostr(register char * __restrict bufend, uintmax_t uval,
 	unsigned int H, L, high, low, rh;
 #endif
 #ifndef __LOCALE_C_ONLY
-	int grouping;
+	int grouping, outdigit;
 	size_t gslen;		   /* This does not need to be initialized. */
 	const char *g;		   /* This does not need to be initialized. */
 #endif /* __LOCALE_C_ONLY */
@@ -3350,6 +3350,11 @@ char *_uintmaxtostr(register char * __restrict bufend, uintmax_t uval,
 
 #ifndef __LOCALE_C_ONLY
 	grouping = -1;
+	outdigit = 0x80 & alphacase;
+	alphacase ^= outdigit;
+#ifdef __UCLIBC_MJN3_ONLY_
+#warning implement outdigit... need digit lengths!  (put it in locale struct)
+#endif
 	if (alphacase == __UIM_GROUP) {
 		assert(base == 10);
 		if (*(g = CUR_LOCALE.grouping)
@@ -3391,7 +3396,18 @@ char *_uintmaxtostr(register char * __restrict bufend, uintmax_t uval,
 		digit = uval % base;
 		uval /= base;
 
-		*--bufend = ( (digit < 10) ? digit + '0' : digit + alphacase );
+#ifndef __LOCALE_C_ONLY
+		if (outdigit) {
+			outdigit = CUR_LOCALE.outdigit_length[digit];
+			do {
+				*--bufend = (&CUR_LOCALE.outdigit0_mb)[digit][--outdigit];
+			} while (outdigit);
+			outdigit = 1;
+		} else
+#endif
+		{
+			*--bufend = ( (digit < 10) ? digit + '0' : digit + alphacase );
+		}
     } while (uval);
 
 #else  /* ************************************************** */
@@ -3437,7 +3453,18 @@ char *_uintmaxtostr(register char * __restrict bufend, uintmax_t uval,
 		low = (low / base) + (H * rh) + (digit / base);
 		digit %= base;
 		
-		*--bufend = ( (digit < 10) ? digit + '0' : digit + alphacase );
+#ifndef __LOCALE_C_ONLY
+		if (outdigit) {
+			outdigit = CUR_LOCALE.outdigit_length[digit];
+			do {
+				*--bufend = (&CUR_LOCALE.outdigit0_mb)[digit][--outdigit];
+			} while (outdigit);
+			outdigit = 1;
+		} else
+#endif
+		{
+			*--bufend = ( (digit < 10) ? digit + '0' : digit + alphacase );
+		}
     } while (low | high);
 
 #endif /******************************************************/