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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dirent.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include "macro.h"
#include "time-util.h"
typedef enum {
WRITE_STRING_FILE_CREATE = 1<<0,
WRITE_STRING_FILE_ATOMIC = 1<<1,
WRITE_STRING_FILE_AVOID_NEWLINE = 1<<2,
WRITE_STRING_FILE_VERIFY_ON_FAILURE = 1<<3,
WRITE_STRING_FILE_SYNC = 1<<4,
WRITE_STRING_FILE_DISABLE_BUFFER = 1<<5,
/* And before you wonder, why write_string_file_atomic_label_ts() is a separate function instead of just one
more flag here: it's about linking: we don't want to pull -lselinux into all users of write_string_file()
and friends. */
} WriteStringFileFlags;
int write_string_stream_ts(FILE *f, const char *line, WriteStringFileFlags flags, struct timespec *ts);
static inline int write_string_stream(FILE *f, const char *line, WriteStringFileFlags flags) {
return write_string_stream_ts(f, line, flags, NULL);
}
int write_string_file_ts(const char *fn, const char *line, WriteStringFileFlags flags, struct timespec *ts);
static inline int write_string_file(const char *fn, const char *line, WriteStringFileFlags flags) {
return write_string_file_ts(fn, line, flags, NULL);
}
int read_one_line_file(const char *fn, char **line);
int read_full_file(const char *fn, char **contents, size_t *size);
int read_full_stream(FILE *f, char **contents, size_t *size);
int verify_file(const char *fn, const char *blob, bool accept_extra_nl);
int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
int load_env_file(FILE *f, const char *fname, const char *separator, char ***l);
int load_env_file_pairs(FILE *f, const char *fname, const char *separator, char ***l);
int merge_env_file(char ***env, FILE *f, const char *fname);
int write_env_file(const char *fname, char **l);
int executable_is_script(const char *path, char **interpreter);
int get_proc_field(const char *filename, const char *pattern, const char *terminator, char **field);
DIR *xopendirat(int dirfd, const char *name, int flags);
int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f);
int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f);
#define FOREACH_LINE(line, f, on_error) \
for (;;) \
if (!fgets(line, sizeof(line), f)) { \
if (ferror(f)) { \
on_error; \
} \
break; \
} else
int fflush_and_check(FILE *f);
int fflush_sync_and_check(FILE *f);
int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
int mkostemp_safe(char *pattern);
int tempfn_xxxxxx(const char *p, const char *extra, char **ret);
int tempfn_random(const char *p, const char *extra, char **ret);
int tempfn_random_child(const char *p, const char *extra, char **ret);
int write_timestamp_file_atomic(const char *fn, usec_t n);
int read_timestamp_file(const char *fn, usec_t *ret);
int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space);
int open_tmpfile_unlinkable(const char *directory, int flags);
int open_tmpfile_linkable(const char *target, int flags, char **ret_path);
int open_serialization_fd(const char *ident);
int link_tmpfile(int fd, const char *path, const char *target);
int read_nul_string(FILE *f, char **ret);
int mkdtemp_malloc(const char *template, char **ret);
int read_line(FILE *f, size_t limit, char **ret);
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