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/*
* Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <glob.h>
#include <unistd.h>
#include "compat.h"
void fatal(const char *, ...);
void fatalx(const char *, ...);
#ifdef HAVE_PROC_PID
int
getdtablecount(void)
{
char path[PATH_MAX];
glob_t g;
int n = 0;
if (snprintf(path, sizeof path, "/proc/%ld/fd/*", (long)getpid()) < 0)
fatal("snprintf overflow");
if (glob(path, 0, NULL, &g) == 0)
n = g.gl_pathc;
globfree(&g);
return (n);
}
#else
int
getdtablecount(void)
{
return (0);
}
#endif
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