/*

 * No copyright is claimed.  This code is in the public domain; do with

 * it what you wish.

 **/

#ifndef UTIL_LINUX_FILEUTILS

#define UTIL_LINUX_FILEUTILS

#include <stdio.h>

#include <fcntl.h>

#include <unistd.h>

#include <dirent.h>

#include <sys/stat.h>

#include "c.h"

extern int mkstemp_cloexec(char *template);

extern int xmkstemp(char **tmpname, const char *dir, const char *prefix);

static inline FILE *xfmkstemp(char **tmpname, const char *dir, const char *prefix)

{

  int fd;

  FILE *ret;

  fd = xmkstemp(tmpname, dir, prefix);

  if (fd == -1)

    return NULL;

  if (!(ret = fdopen(fd, "w+" UL_CLOEXECSTR))) {

    close(fd);

    return NULL;

  }

  return ret;

}

Unexecuted instantiation: last.c:xfmkstemp

Unexecuted instantiation: fileutils.c:xfmkstemp

#ifdef HAVE_OPENAT

static inline FILE *fopen_at(int dir, const char *filename,

                             int flags, const char *mode)

{

  int fd = openat(dir, filename, flags);

  FILE *ret;

  if (fd < 0)

    return NULL;

  ret = fdopen(fd, mode);

  if (!ret)

    close(fd);

  return ret;

}

Unexecuted instantiation: last.c:fopen_at

Unexecuted instantiation: fileutils.c:fopen_at

extern FILE *fopen_at_no_link(int dir, const char *filename,

                             int flags, mode_t perm, const char *mode);

#endif /* HAVE_OPENAT */

static inline int is_same_inode(const int fd, const struct stat *st)

{

  struct stat f;

  if (fstat(fd, &f) < 0)

    return 0;

  else if (f.st_dev != st->st_dev || f.st_ino != st->st_ino)

    return 0;

  return 1;

}

Unexecuted instantiation: last.c:is_same_inode

Unexecuted instantiation: fileutils.c:is_same_inode

extern int dup_fd_cloexec(int oldfd, int lowfd);

extern unsigned int get_fd_tabsize(void);

extern int ul_mkdir_p(const char *path, mode_t mode);

extern char *stripoff_last_component(char *path);

/* This is readdir()-like function, but skips "." and ".." directory entries */

static inline struct dirent *xreaddir(DIR *dp)

{

  struct dirent *d;

  while ((d = readdir(dp))) {

    if (!strcmp(d->d_name, ".") ||

        !strcmp(d->d_name, ".."))

      continue;

    break;

  }

  return d;

}

Unexecuted instantiation: last.c:xreaddir

Unexecuted instantiation: fileutils.c:xreaddir

#ifdef HAVE_SYS_SYSCALL_H

# include <sys/syscall.h>

# if !defined(HAVE_CLOSE_RANGE) && defined(SYS_close_range)

#  include <sys/types.h>

static inline int close_range(unsigned int first, unsigned int last, int flags)

{

  return syscall(SYS_close_range, first, last, flags);

}

#  define HAVE_CLOSE_RANGE 1

# endif /* SYS_close_range */

# if !defined(HAVE_STATX) && defined(HAVE_STRUCT_STATX) && defined(SYS_statx)

static inline int statx(int fd, const char *restrict path, int flags,

      unsigned int mask, struct statx *stx)

{

  return syscall(SYS_statx, fd, path, flags, mask, stx);

}

#  define HAVE_STATX 1

# endif /* SYS_statx */

# if !defined(HAVE_COPY_FILE_RANGE) && defined(SYS_copy_file_range)

static inline ssize_t copy_file_range(int fd_in, off_t *off_in,

      int fd_out, off_t *off_out, size_t size, unsigned int flags)

{

  return syscall(SYS_copy_file_range, fd_in, off_in, fd_out,

    off_out, size, flags);

}

#  define HAVE_COPY_FILE_RANGE 1

# endif /* SYS_copy_file_range */

#endif  /* HAVE_SYS_SYSCALL_H */

extern void ul_close_all_fds(unsigned int first, unsigned int last);

#define UL_COPY_READ_ERROR (-1)

#define UL_COPY_WRITE_ERROR (-2)

int ul_copy_file(int from, int to);

extern int ul_reopen(int fd, int flags);

extern char *ul_basename(char *path);

extern char *ul_restricted_path_oper(const char *path,

    int (*oper)(const char *path, char **result, void *data),

    void *data);

/* return 1 if @d is "." or ".." */

static inline bool is_dotdir_dirent(const struct dirent *d)

{

  return (d && d->d_name[0] == '.'

    && (d->d_name[1] == 0

      || (d->d_name[1] == '.' && d->d_name[2] == 0)));

}

Unexecuted instantiation: last.c:is_dotdir_dirent

Unexecuted instantiation: fileutils.c:is_dotdir_dirent

#endif /* UTIL_LINUX_FILEUTILS */