X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Ffstat.c;fp=lib%2Ffstat.c;h=ac2b1effe31e9c70e89621dc28301f76eddc0807;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=0000000000000000000000000000000000000000;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip
diff --git a/lib/fstat.c b/lib/fstat.c
new file mode 100644
index 0000000..ac2b1ef
--- /dev/null
+++ b/lib/fstat.c
@@ -0,0 +1,86 @@
+/* fstat() replacement.
+ Copyright (C) 2011-2012 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
+/* If the user's config.h happens to include , let it include only
+ the system's here, so that orig_fstat doesn't recurse to
+ rpl_fstat. */
+#define __need_system_sys_stat_h
+#include
+
+/* Get the original definition of fstat. It might be defined as a macro. */
+#include
+#include
+#if _GL_WINDOWS_64_BIT_ST_SIZE
+# define stat _stati64
+# define fstat _fstati64
+#endif
+#undef __need_system_sys_stat_h
+
+static inline int
+orig_fstat (int fd, struct stat *buf)
+{
+ return fstat (fd, buf);
+}
+
+/* Specification. */
+/* Write "sys/stat.h" here, not , otherwise OSF/1 5.1 DTK cc
+ eliminates this include because of the preliminary #include
+ above. */
+#include "sys/stat.h"
+
+#include
+#include
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+# include "msvc-inval.h"
+#endif
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+static inline int
+fstat_nothrow (int fd, struct stat *buf)
+{
+ int result;
+
+ TRY_MSVC_INVAL
+ {
+ result = orig_fstat (fd, buf);
+ }
+ CATCH_MSVC_INVAL
+ {
+ result = -1;
+ errno = EBADF;
+ }
+ DONE_MSVC_INVAL;
+
+ return result;
+}
+#else
+# define fstat_nothrow orig_fstat
+#endif
+
+int
+rpl_fstat (int fd, struct stat *buf)
+{
+#if REPLACE_FCHDIR && REPLACE_OPEN_DIRECTORY
+ /* Handle the case when rpl_open() used a dummy file descriptor to work
+ around an open() that can't normally visit directories. */
+ const char *name = _gl_directory_name (fd);
+ if (name != NULL)
+ return stat (name, buf);
+#endif
+
+ return fstat_nothrow (fd, buf);
+}