From 54965cadfe8f1aef663600cb07d3edbb0acf8769 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Wed, 9 Sep 2020 03:11:37 -0500
Subject: Attempt internationalization of HR_COMMAS, 9 digit memory sizes for
 top, and use the comma format when selected even if <3 digits (no 0.0M)

---
 lib/lib.c       | 20 ++++++++++++++++----
 toys/posix/ps.c |  4 ++--
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/lib/lib.c b/lib/lib.c
index 28c7e9c4..319b6af4 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -1151,6 +1151,7 @@ match:
 int human_readable_long(char *buf, unsigned long long num, int dgt, int unit,
   int style)
 {
+  static char cc, dot;
   unsigned long long snap = 0;
   int len, commas = 0, off, ii, divisor = (style&HR_1000) ? 1000 : 1024;
 
@@ -1160,18 +1161,29 @@ int human_readable_long(char *buf, unsigned long long num, int dgt, int unit,
   // Zettabyte and Yottabyte in case "unit" starts above zero.
   for (;;unit++) {
     len = snprintf(0, 0, "%llu", num);
-    if (style&HR_COMMAS) commas = (len>4)*((len-1)/3);
+    if (style&HR_COMMAS) commas = (len-1)/3;
     if (len<=(dgt-commas)) break;
     num = ((snap = num)+(divisor/2))/divisor;
   }
   if (CFG_TOYBOX_DEBUG && unit>8) return sprintf(buf, "%.*s", dgt, "TILT");
 
+  if (!dot) {
+    if (CFG_TOYBOX_I18N) {
+      struct lconv *ll;
+
+      setlocale(LC_NUMERIC, "");
+      ll = localeconv();
+      dot = *ll->decimal_point ? : '.';
+      cc = *ll->thousands_sep ? : ',';
+    } else cc = ',', dot = '.';
+  }
+
   len = sprintf(buf, "%llu", num);
-  if (commas) {
+  if (style&HR_COMMAS) {
     for (ii = 0; ii<commas; ii++) {
       off = len-3*(ii+1);
       memmove(buf+off+commas-ii, buf+off, 3);
-      buf[off+commas-ii-1] = ',';
+      buf[off+commas-ii-1] = cc;
     }
     len += commas;
   } else if (unit && len == 1) {
@@ -1180,7 +1192,7 @@ int human_readable_long(char *buf, unsigned long long num, int dgt, int unit,
     snap -= num*divisor;
     snap = ((snap*100)+50)/divisor;
     snap /= 10;
-    len = sprintf(buf, "%llu.%llu", num, snap);
+    len = sprintf(buf, "%llu%c%llu", num, dot, snap);
   }
   if (style & HR_SPACE) buf[len++] = ' ';
   if (unit) {
diff --git a/toys/posix/ps.c b/toys/posix/ps.c
index cadc060b..6a7afda6 100644
--- a/toys/posix/ps.c
+++ b/toys/posix/ps.c
@@ -1604,11 +1604,11 @@ static void top_common(
                     "\nBuffers:","\nSwapTotal:","\nSwapFree:","\nCached:"}[i]);
               run[i] = pos ? atol(pos) : 0;
               k = (*run>=10000000);
-              human_readable_long(hr[j+!!j], run[i]>>(10*k), 8, k+1, HR_COMMAS);
+              human_readable_long(hr[j+!!j], run[i]>>(10*k), 9, k+1, HR_COMMAS);
               if (j==1) human_readable_long(hr[1], (run[i-1]-run[i])>>(10*k),
                 8, k+1, HR_COMMAS);
               else if (j==2) {
-                sprintf(toybuf, " %s: %9s total, %9s used, %9s free, %9s %s",
+                sprintf(toybuf, " %s:%10s total,%10s used,%10s free,%10s %s",
                   (i<3) ? " Mem" : "Swap", hr[0], hr[1], hr[2], hr[3],
                   (i<3) ? "buffers" : "cached");
                 lines = header_line(lines, 0);
-- 
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