X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/e42573315bd70d514b92458a7644057cd3ac5757..86cf4773ff94a128247d484e6d69786869f41ebc:/lib/stat.c

diff --git a/lib/stat.c b/lib/stat.c
index 8502ad2f9..c42962ba0 100644
--- a/lib/stat.c
+++ b/lib/stat.c
@@ -1,5 +1,5 @@
 /* Work around platform bugs in stat.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
@@ -16,27 +16,59 @@
 
 /* written by Eric Blake */
 
+/* If the user's config.h happens to include <sys/stat.h>, let it include only
+   the system's <sys/stat.h> here, so that orig_stat doesn't recurse to
+   rpl_stat.  */
+#define __need_system_sys_stat_h
 #include <config.h>
 
 /* Get the original definition of stat.  It might be defined as a macro.  */
-#define __need_system_sys_stat_h
 #include <sys/types.h>
 #include <sys/stat.h>
 #undef __need_system_sys_stat_h
 
-static inline int
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# if _GL_WINDOWS_64_BIT_ST_SIZE
+#  undef stat /* avoid warning on mingw64 with _FILE_OFFSET_BITS=64 */
+#  define stat _stati64
+#  define REPLACE_FUNC_STAT_DIR 1
+#  undef REPLACE_FUNC_STAT_FILE
+# elif REPLACE_FUNC_STAT_FILE
+/* mingw64 has a broken stat() function, based on _stat(), in libmingwex.a.
+   Bypass it.  */
+#  define stat _stat
+#  define REPLACE_FUNC_STAT_DIR 1
+#  undef REPLACE_FUNC_STAT_FILE
+# endif
+#endif
+
+static int
 orig_stat (const char *filename, struct stat *buf)
 {
   return stat (filename, buf);
 }
 
 /* Specification.  */
-#include <sys/stat.h>
+/* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc
+   eliminates this include because of the preliminary #include <sys/stat.h>
+   above.  */
+#include "sys/stat.h"
 
 #include <errno.h>
 #include <limits.h>
 #include <stdbool.h>
 #include <string.h>
+#include "dosname.h"
+#include "verify.h"
+
+#if REPLACE_FUNC_STAT_DIR
+# include "pathmax.h"
+  /* The only known systems where REPLACE_FUNC_STAT_DIR is needed also
+     have a constant PATH_MAX.  */
+# ifndef PATH_MAX
+#  error "Please port this replacement to your platform"
+# endif
+#endif
 
 /* Store information about NAME into ST.  Work around bugs with
    trailing slashes.  Mingw has other bugs (such as st_ino always
@@ -55,13 +87,14 @@ rpl_stat (char const *name, struct stat *st)
     {
       size_t len = strlen (name);
       if (ISSLASH (name[len - 1]))
-	{
-	  errno = ENOTDIR;
-	  return -1;
-	}
+        {
+          errno = ENOTDIR;
+          return -1;
+        }
     }
 #endif /* REPLACE_FUNC_STAT_FILE */
 #if REPLACE_FUNC_STAT_DIR
+
   if (result == -1 && errno == ENOENT)
     {
       /* Due to mingw's oddities, there are some directories (like
@@ -76,6 +109,7 @@ rpl_stat (char const *name, struct stat *st)
       char fixed_name[PATH_MAX + 1] = {0};
       size_t len = strlen (name);
       bool check_dir = false;
+      verify (PATH_MAX <= 4096);
       if (PATH_MAX <= len)
         errno = ENAMETOOLONG;
       else if (len)