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/* $Id$ */
/*
* 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
}
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