// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT License.

//! @brief Retrieve link count of a file

#include "getlinkcount.h"

#include <assert.h>

#include <errno.h>

#include <locale.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <string>

//! @brief GetLinkCount retrieves the file link count (number of hard links)

//! for the given file

//!

//! GetLinkCount

//!

//! @param[in] fileName

//! @parblock

//! A pointer to the buffer that contains the file name

//!

//! char* is marshaled as an LPStr, which on Linux is UTF-8.

//! @endparblock

//!

//! @param[out] count

//! @parblock

//! This function returns the number of hard links associated with this file

//! @endparblock

//!

//! @retval 1 If the function succeeds, and the variable pointed to by buffer contains

//! information about the files

//! @retval 0 If the function fails, the return value is zero. To get

//! extended error information, call GetLastError.

//!

int32_t GetLinkCount(const char* fileName, int32_t *count)

{

assert(fileName);

assert(count);

errno = 0;

struct stat statBuf;

int32_t ret = lstat(fileName, &statBuf);

*count = statBuf.st_nlink;

return ret;

}