From 3925a4fbed618504f49e2a8a5551cc5800d9353b Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Mon, 25 Jan 2016 15:43:06 +0000
Subject: [PATCH 1/2] 37776: Set errflag before calls to zwarning().

This avoids an attempt to call zerr() or zerrnam() recusrively.

Upstream-commit: be32864e6ff6a872d63314b4baedbfbf2eed54bd
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 Src/utils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Src/utils.c b/Src/utils.c
index 4640970..9ce3ee9 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -169,12 +169,12 @@ VA_DCL
 	    errflag |= ERRFLAG_ERROR;
 	return;
     }
+    errflag |= ERRFLAG_ERROR;
 
     VA_START(ap, fmt);
     VA_GET_ARG(ap, fmt, const char *);
     zwarning(NULL, fmt, ap);
     va_end(ap);
-    errflag |= ERRFLAG_ERROR;
 }
 
 /**/
@@ -188,13 +188,13 @@ VA_DCL
 
     if (errflag || noerrs)
 	return;
+    errflag |= ERRFLAG_ERROR;
 
     VA_START(ap, fmt);
     VA_GET_ARG(ap, cmd, const char *);
     VA_GET_ARG(ap, fmt, const char *);
     zwarning(cmd, fmt, ap);
     va_end(ap);
-    errflag |= ERRFLAG_ERROR;
 }
 
 /**/
-- 
2.5.0


From 7a028030cfdcd85b61950e4a530442ebff359f4c Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Mon, 25 Jan 2016 18:01:07 +0100
Subject: [PATCH 2/2] 37780: Care printing error if nothing to print.

Upstream-commit: 69c86cd2c3f1533d9b4b345f98d3922418bc6dac
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 Src/utils.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Src/utils.c b/Src/utils.c
index 9ce3ee9..bb3c241 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -133,9 +133,11 @@ zwarning(const char *cmd, const char *fmt, va_list ap)
     if (isatty(2))
 	zleentry(ZLE_CMD_TRASH);
 
+    char *prefix = scriptname ? scriptname : (argzero ? argzero : "");
+
     if (cmd) {
 	if (unset(SHINSTDIN) || locallevel) {
-	    nicezputs(scriptname ? scriptname : argzero, stderr);
+	    nicezputs(prefix, stderr);
 	    fputc((unsigned char)':', stderr);
 	}
 	nicezputs(cmd, stderr);
@@ -147,8 +149,7 @@ zwarning(const char *cmd, const char *fmt, va_list ap)
 	 * program/script is running.  It's also set in shell functions,
 	 * so test locallevel, too.
 	 */
-	nicezputs((isset(SHINSTDIN) && !locallevel) ? "zsh" :
-		  scriptname ? scriptname : argzero, stderr);
+	nicezputs((isset(SHINSTDIN) && !locallevel) ? "zsh" : prefix, stderr);
 	fputc((unsigned char)':', stderr);
     }
 
-- 
2.5.0