/* $NetBSD: dummy_read.c,v 1.1.1.1 2009/06/23 10:08:59 tron Exp $ */ /*++ /* NAME /* dummy_read 3 /* SUMMARY /* dummy read operation /* SYNOPSIS /* #include <iostuff.h> /* /* ssize_t dummy_read(fd, buf, buf_len, timeout, context) /* int fd; /* void *buf; /* size_t len; /* int timeout; /* void *context; /* DESCRIPTION /* dummy_read() reports an EOF condition without side effects. /* /* Arguments: /* .IP fd /* File descriptor whose value is logged when verbose logging /* is turned on. /* .IP buf /* Read buffer pointer. Not used. /* .IP buf_len /* Read buffer size. Its value is logged when verbose logging is /* turned on. /* .IP timeout /* The deadline in seconds. Not used. /* .IP context /* Application context. Not used. /* DIAGNOSTICS /* None. /* LICENSE /* .ad /* .fi /* The Secure Mailer license must be distributed with this software. /* AUTHOR(S) /* Wietse Venema /* IBM T.J. Watson Research /* P.O. Box 704 /* Yorktown Heights, NY 10598, USA /*--*/ /* System library. */ #include <sys_defs.h> /* Utility library. */ #include <msg.h> #include <iostuff.h> /* dummy_read - dummy read operation */ ssize_t dummy_read(int fd, void *unused_buf, size_t len, int unused_timeout, void *unused_context) { if (msg_verbose) msg_info("dummy_read: fd %d, len %lu", fd, (unsigned long) len); return (0); } |