/*
* Copyright (c) 2017 Nicholas Marriott <[email protected]>
*
* 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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