-/* safe-write.c -- an interface to write that retries after interrupts
- Copyright (C) 1993 Free Software Foundation, Inc.
+/* full-write.c -- an interface to write that retries after interrupts
+ Copyright (C) 1993, 1994 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
*/
#ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
#include <config.h>
-#else
-#include "config.h"
-#endif
#endif
#include <sys/types.h>
#endif
#include <errno.h>
-#ifndef STDC_HEADERS
+#ifndef errno
extern int errno;
#endif
/* Write LEN bytes at PTR to descriptor DESC, retrying if interrupted.
- Return zero upon success, write's (negative) error code otherwise. */
+ Return LEN upon success, write's (negative) error code otherwise. */
int
-safe_write (desc, ptr, len)
+full_write (desc, ptr, len)
int desc;
char *ptr;
- int len;
+ size_t len;
{
+ int total_written;
+
+ total_written = 0;
while (len > 0)
{
int written = write (desc, ptr, len);
#endif
return written;
}
+ total_written += written;
ptr += written;
len -= written;
}
- return 0;
+ return total_written;
}