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authorJim Meyering <jim@meyering.net>2002-12-03 18:19:45 +0000
committerJim Meyering <jim@meyering.net>2002-12-03 18:19:45 +0000
commit3d81ed14e1e5e5fb0c810e2f965f4e1b3c2d0a3f (patch)
tree89cd7e24c20a0ae2537d7b2d0165e077f561d80d /lib
parentd4d54b4878c173d9b14111505b6389e7a73e2e0a (diff)
downloadcoreutils-3d81ed14e1e5e5fb0c810e2f965f4e1b3c2d0a3f.tar.xz
Update from gnulib (add comments, include stddef.h).
Diffstat (limited to 'lib')
-rw-r--r--lib/safe-read.h31
1 files changed, 22 insertions, 9 deletions
diff --git a/lib/safe-read.h b/lib/safe-read.h
index eef929822..cbe6e0bfd 100644
--- a/lib/safe-read.h
+++ b/lib/safe-read.h
@@ -1,12 +1,25 @@
-#ifndef PARAMS
-# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-# define PARAMS(Args) Args
-# else
-# define PARAMS(Args) ()
-# endif
-#endif
+/* An interface to read() that retries after interrupts.
+ Copyright (C) 2002 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 2, 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, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
#define SAFE_READ_ERROR ((size_t) -1)
-size_t
-safe_read PARAMS ((int desc, void *ptr, size_t len));
+/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted.
+ Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR
+ upon error. */
+extern size_t safe_read (int fd, void *buf, size_t count);