From 4d3bf7838f555f4da67c59f3b302750ac3a87ae8 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 5 Aug 2024 01:04:13 -0700
Subject: [PATCH] Omit unused PATH_MAX code

* src/makeint.h (GET_PATH_MAX, PATH_VAR):
Simplify, since PATH_MAX is always defined here.
(NEED_GET_PATH_MAX): Remove.
* src/misc.c (get_path_max) [NEED_GET_PATH_MAX]: Remove.
---
 src/makeint.h | 11 ++---------
 src/misc.c    | 19 -------------------
 2 files changed, 2 insertions(+), 28 deletions(-)

diff --git a/src/makeint.h b/src/makeint.h
index 5a553093..61c78229 100644
--- a/src/makeint.h
+++ b/src/makeint.h
@@ -149,15 +149,8 @@ extern int errno;
 # endif
 #endif
 
-#ifdef PATH_MAX
-# define GET_PATH_MAX   PATH_MAX
-# define PATH_VAR(var)  char var[PATH_MAX+1]
-#else
-# define NEED_GET_PATH_MAX 1
-# define GET_PATH_MAX   (get_path_max ())
-# define PATH_VAR(var)  char *var = alloca (GET_PATH_MAX+1)
-unsigned int get_path_max (void);
-#endif
+#define GET_PATH_MAX   PATH_MAX
+#define PATH_VAR(var)  char var[PATH_MAX+1]
 
 #ifndef CHAR_BIT
 # define CHAR_BIT 8
diff --git a/src/misc.c b/src/misc.c
index 1914aa22..9e41a546 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -948,25 +948,6 @@ strncasecmp (const char *s1, const char *s2, size_t n)
 #endif
 
 
-#ifdef NEED_GET_PATH_MAX
-unsigned int
-get_path_max (void)
-{
-  static unsigned int value;
-
-  if (value == 0)
-    {
-      long x = pathconf ("/", _PC_PATH_MAX);
-      if (x > 0)
-        value = (unsigned int) x;
-      else
-        value = PATH_MAX;
-    }
-
-  return value;
-}
-#endif
-
 #if !HAVE_MEMPCPY
 void *
 mempcpy (void *dest, const void *src, size_t n)