From cafcda246ed0bc849105b57019736b8b497163e4 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 22 Feb 2025 11:22:48 +0100
Subject: [PATCH] lib/defines.h: PATH_MAX/MAXHOSTNAMELEN: define when not set
 by OS

E.g. GNU/Hurd does not define such limitations. Let "defines.h"
provide some good-enough value.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
 lib/defines.h               | 8 ++++++++
 lib/fs/readlink/areadlink.h | 2 +-
 lib/get_pid.c               | 1 +
 src/login_nopam.c           | 1 +
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/defines.h b/lib/defines.h
index 89300c93c..8673a09f4 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -65,6 +65,14 @@
 #endif
 #endif
 
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif
+
 #include <syslog.h>
 
 #ifndef LOG_WARN
diff --git a/lib/fs/readlink/areadlink.h b/lib/fs/readlink/areadlink.h
index de931a7b3..f18189050 100644
--- a/lib/fs/readlink/areadlink.h
+++ b/lib/fs/readlink/areadlink.h
@@ -9,11 +9,11 @@
 #include <config.h>
 
 #include <errno.h>
-#include <limits.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdlib.h>
 
+#include "defines.h"
 #include "alloc/malloc.h"
 #include "attr.h"
 #include "fs/readlink/readlinknul.h"
diff --git a/lib/get_pid.c b/lib/get_pid.c
index c687eab01..6aa3987d2 100644
--- a/lib/get_pid.c
+++ b/lib/get_pid.c
@@ -10,6 +10,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include "defines.h"
 #include "atoi/getnum.h"
 #include "defines.h"
 #include "prototypes.h"
diff --git a/src/login_nopam.c b/src/login_nopam.c
index 856da11d5..b2f5f850d 100644
--- a/src/login_nopam.c
+++ b/src/login_nopam.c
@@ -57,6 +57,7 @@
 #include <syslog.h>
 #include <unistd.h>
 
+#include "defines.h"
 #include "prototypes.h"
 #include "sizeof.h"
 #include "string/strcmp/strcaseeq.h"
-- 
2.47.3