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File glob-lstat.patch of Package make (Revision 492ed14eab3ac49ab0cca6c204153a77)

Currently displaying revision 492ed14eab3ac49ab0cca6c204153a77 , Show latest

From 193f1e81edd6b1b56b0eb0ff8aa4b41c7b4257b4 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 24 Sep 2017 09:12:58 -0400
Subject: [PATCH] glob: Do not assume glibc glob internals.

It has been proposed that glibc glob start using gl_lstat,
which the API allows it to do.  GNU 'make' should not get in
the way of this.  See:
https://sourceware.org/ml/libc-alpha/2017-09/msg00409.html

* dir.c (local_lstat): New function, like local_stat.
(dir_setup_glob): Use it to initialize gl_lstat too, as the API
requires.
---
 dir.c | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/dir.c b/dir.c
index adbb8a9b99..c343e4c29c 100644
--- a/dir.c
+++ b/dir.c
@@ -1299,15 +1299,40 @@ local_stat (const char *path, struct stat *buf)
 }
 #endif
 
+/* Similarly for lstat.  */
+#if !defined(lstat) && !defined(WINDOWS32) || defined(VMS)
+# ifndef VMS
+#  ifndef HAVE_SYS_STAT_H
+int lstat (const char *path, struct stat *sbuf);
+#  endif
+# else
+    /* We are done with the fake lstat.  Go back to the real lstat */
+#   ifdef lstat
+#     undef lstat
+#   endif
+# endif
+# define local_lstat lstat
+#elif defined(WINDOWS32)
+/* Windows doesn't support lstat().  */
+# define local_lstat local_stat
+#else
+static int
+local_lstat (const char *path, struct stat *buf)
+{
+  int e;
+  EINTRLOOP (e, lstat (path, buf));
+  return e;
+}
+#endif
+
 void
 dir_setup_glob (glob_t *gl)
 {
   gl->gl_opendir = open_dirstream;
   gl->gl_readdir = read_dirstream;
   gl->gl_closedir = free;
+  gl->gl_lstat = local_lstat;
   gl->gl_stat = local_stat;
-  /* We don't bother setting gl_lstat, since glob never calls it.
-     The slot is only there for compatibility with 4.4 BSD.  */
 }
 
 void
-- 
2.15.0

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File glob-lstat.patch of Package make (Revision 492ed14eab3ac49ab0cca6c204153a77)

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