From: Guillem Jover <guillem@hadrons.org>
Date: Sat, 1 Apr 2023 10:45:04 +0000 (+0200)
Subject: Define _NSIG if it is not defined by the system
X-Git-Tag: 0.11.8~40
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=06e8a1b29bea85fb3daeb1e3c7393bc78a8dffdb;p=thirdparty%2Flibbsd.git

Define _NSIG if it is not defined by the system

At least on macOS this macro is not defined.
---

diff --git a/src/readpassphrase.c b/src/readpassphrase.c
index f9f6195..0082c82 100644
--- a/src/readpassphrase.c
+++ b/src/readpassphrase.c
@@ -36,6 +36,15 @@
 #define TCSASOFT 0
 #endif
 
+#ifndef _NSIG
+#if defined(NSIG)
+#define _NSIG NSIG
+#else
+/* The SIGRTMAX define might be set to a function such as sysconf(). */
+#define _NSIG (SIGRTMAX + 1)
+#endif
+#endif
+
 static volatile sig_atomic_t signo[_NSIG];
 
 static void handler(int);