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/*
* Copyright 2022 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#ifndef PCMK__CRM_COMMON_IO_INTERNAL__H
# define PCMK__CRM_COMMON_IO_INTERNAL__H
#include <fcntl.h> // open()
#include <stdbool.h> // bool
#include <unistd.h> // uid_t, gid_t
int pcmk__real_path(const char *path, char **resolved_path);
char *pcmk__series_filename(const char *directory, const char *series,
int sequence, bool bzip);
int pcmk__read_series_sequence(const char *directory, const char *series,
unsigned int *seq);
void pcmk__write_series_sequence(const char *directory, const char *series,
unsigned int sequence, int max);
int pcmk__chown_series_sequence(const char *directory, const char *series,
uid_t uid, gid_t gid);
int pcmk__build_path(const char *path_c, mode_t mode);
char *pcmk__full_path(const char *filename, const char *dirname);
bool pcmk__daemon_can_write(const char *dir, const char *file);
void pcmk__sync_directory(const char *name);
int pcmk__file_contents(const char *filename, char **contents);
int pcmk__write_sync(int fd, const char *contents);
int pcmk__set_nonblocking(int fd);
const char *pcmk__get_tmpdir(void);
void pcmk__close_fds_in_child(bool);
/*!
* \internal
* \brief Open /dev/null to consume next available file descriptor
*
* Open /dev/null, disregarding the result. This is intended when daemonizing to
* be able to null stdin, stdout, and stderr.
*
* \param[in] flags O_RDONLY (stdin) or O_WRONLY (stdout and stderr)
*/
static inline void
pcmk__open_devnull(int flags)
{
// Static analysis clutter
// cppcheck-suppress leakReturnValNotUsed
(void) open("/dev/null", flags);
}
#endif // PCMK__CRM_COMMON_IO_INTERNAL__H
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