fd.h

   1 /*
   2  * Copyright (C) 2006-2013 Andre Noll <maan@systemlinux.org>
   3  *
   4  * Licensed under the GPL v2. For licencing details see COPYING.
   5  */
   6
   7 /** \file fd.h exported symbols from fd.c */
   8
   9 int write_all(int fd, const char *buf, size_t len);
  10 __printf_2_3 int write_va_buffer(int fd, const char *fmt, ...);
  11 int file_exists(const char *);
  12 int para_select(int n, fd_set *readfds, fd_set *writefds,
  13                 struct timeval *timeout_tv);
  14 __must_check int mark_fd_nonblocking(int fd);
  15 __must_check int mark_fd_blocking(int fd);
  16 void para_fd_set(int fd, fd_set *fds, int *max_fileno);
  17 __must_check int para_fgets(char *line, int size, FILE *f);
  18 int para_mmap(size_t length, int prot, int flags, int fd, off_t offset,
  19                 void *map);
  20 int para_open(const char *path, int flags, mode_t mode);
  21 int para_mkdir(const char *path, mode_t mode);
  22 int para_chdir(const char *path);
  23 int mmap_full_file(const char *filename, int open_mode, void **map,
  24         size_t *size, int *fd_ptr);
  25 int para_munmap(void *start, size_t length);
  26 int write_ok(int fd);
  27 void valid_fd_012(void);
  28 int readv_nonblock(int fd, struct iovec *iov, int iovcnt, fd_set *rfds,
  29                 size_t *num_bytes);
  30 int read_nonblock(int fd, void *buf, size_t sz, fd_set *rfds, size_t *num_bytes);
  31 int read_pattern(int fd, const char *pattern, size_t bufsize, fd_set *rfds);
  32 int xwrite(int fd, const char *buf, size_t len);
  33 int xwritev(int fd, struct iovec *iov, int iovcnt);
  34 int for_each_file_in_dir(const char *dirname,
  35                 int (*func)(const char *, void *), void *private_data);
  36 /**
  37  * Write a \p NULL-terminated buffer.
  38  *
  39  * \param fd The file descriptor.
  40  * \param buf The null-terminated buffer to be send.
  41  *
  42  * This is equivalent to write_all(fd, buf, strlen(buf)).
  43  *
  44  * \return Standard.
  45  */
  46 _static_inline_ int write_buffer(int fd, const char *buf)
  47 {
  48         return write_all(fd, buf, strlen(buf));
  49 }