From 4306bb6246d4bdf02c2f8bcfa4e78ef6539ed0bf Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 5 Mar 2022 11:23:01 -0800
Subject: date: fix newly-introduced %%-N bug
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* src/date.c (adjust_resolution): Don’t mishandle %%-N.
* tests/misc/date.pl (pct-pct): New test.
---
 src/date.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/date.c b/src/date.c
index 163141adc..9a282e2f5 100644
--- a/src/date.c
+++ b/src/date.c
@@ -310,12 +310,17 @@ adjust_resolution (char const *format)
   char *copy = NULL;
 
   for (char const *f = format; *f; f++)
-    if (f[0] == '%' && f[1] == '-' && f[2] == 'N')
+    if (f[0] == '%')
       {
-        if (!copy)
-          copy = xstrdup (format);
-        copy[f + 1 - format] = '0' + res_width (gettime_res ());
-        f += 2;
+        if (f[1] == '-' && f[2] == 'N')
+          {
+            if (!copy)
+              copy = xstrdup (format);
+            copy[f + 1 - format] = '0' + res_width (gettime_res ());
+            f += 2;
+          }
+        else
+          f += f[1] == '%';
       }
 
   return copy;
-- 
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