From 2cbf6b6a19716cd4f03c820929710499576aa809 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Wed, 31 Jan 2018 09:14:40 +0000
Subject: 42332: Special case unsigned printf formats. For constants we can
 avoid a conversion to signed by examining the expression before passing to
 math eval.

---
 Src/builtin.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Src/builtin.c')

diff --git a/Src/builtin.c b/Src/builtin.c
index 0211f2721..fb59738f3 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -5243,7 +5243,10 @@ bin_print(char *name, char **args, Options ops, int func)
  		    	*d++ = 'l';
 #endif
 		    	*d++ = 'l', *d++ = *c, *d = '\0';
-			zulongval = (curarg) ? mathevali(curarg) : 0;
+			if (!curarg)
+			    zulongval = (zulong)0;
+			else if (!zstrtoul_underscore(curarg, &zulongval))
+			    zulongval = mathevali(curarg);
 			if (errflag) {
 			    zulongval = 0;
 			    errflag &= ~ERRFLAG_ERROR;
-- 
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