Sys.c++
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- /* $Id: Sys.c++,v 1.1.1.1 2005/11/11 21:32:03 faxguy Exp $ */
- /*
- * Copyright (c) 1994-1996 Sam Leffler
- * Copyright (c) 1994-1996 Silicon Graphics, Inc.
- * HylaFAX is a trademark of Silicon Graphics
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- #include "Sys.h"
- /*
- * Wrapper functions for C library calls.
- */
- bool
- Sys::isRegularFile(const char* filename)
- {
- struct stat sb;
- return (Sys::stat(filename, sb) >= 0 && (sb.st_mode&S_IFMT) == S_IFREG);
- }
- bool
- Sys::isSocketFile(const char* filename)
- {
- #ifdef S_IFSOCK
- struct stat sb;
- return (Sys::stat(filename, sb) >= 0 && (sb.st_mode&S_IFMT) == S_IFSOCK);
- #else
- return (false);
- #endif
- }
- bool
- Sys::isFIFOFile(const char* filename)
- {
- struct stat sb;
- return (Sys::stat(filename, sb) >= 0 && (sb.st_mode&S_IFMT) == S_IFIFO);
- }
- bool
- Sys::isFIFOFile(int fd)
- {
- struct stat sb;
- return (Sys::fstat(fd, sb) >= 0 && (sb.st_mode&S_IFMT) == S_IFIFO);
- }
- bool
- Sys::isCharSpecialFile(const char* filename, struct stat& sb)
- {
- #ifdef S_IFCHR
- return (Sys::stat(filename, sb) >= 0 && (sb.st_mode&S_IFMT) == S_IFCHR);
- #else
- return (false);
- #endif
- }
- bool
- Sys::isCharSpecialFile(const char* filename)
- {
- struct stat sb;
- return Sys::isCharSpecialFile(filename, sb);
- }
- #include <limits.h>
- int
- Sys::getOpenMax()
- {
- #if HAS_SYSCONF
- return (int) sysconf(_SC_OPEN_MAX);
- #elif HAS_GETDTABLESIZE
- return getdtablesize();
- #elif HAS_ULIMIT
- return (int) ulimit(UL_GDESLIM, 0);
- #else
- return (_POSIX_OPEN_MAX);
- #endif
- }