From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 23 Nov 2016 16:27:58 +0000 (+0000)
Subject: regress: playback: Do not accept numeric errno values except 1..255
X-Git-Tag: adns-1.6.0~85
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=b7e381046719cfea9414fcae6e72de95b9a3d4cc;p=adns.git

regress: playback: Do not accept numeric errno values except 1..255

In particular do not accept zero, which the operating system won't
produce.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/regress/hplayback.c.m4 b/regress/hplayback.c.m4
index fb4295c..312a04a 100644
--- a/regress/hplayback.c.m4
+++ b/regress/hplayback.c.m4
@@ -124,6 +124,7 @@ static int Perrno(const char *stuff) {
   if (te->n) return te->v;
   r= strtoul(stuff+2,&ep,10);
   if (*ep) Psyntax("errno value not recognised, not numeric");
+  if (r==0 || r>255) Psyntax("numeric errno out of range 1..255");
   return r;
 }