103 lines
4.1 KiB
C
103 lines
4.1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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***/
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#include <dirent.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include "macro.h"
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#include "time-util.h"
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typedef enum {
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WRITE_STRING_FILE_CREATE = 1<<0,
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WRITE_STRING_FILE_ATOMIC = 1<<1,
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WRITE_STRING_FILE_AVOID_NEWLINE = 1<<2,
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WRITE_STRING_FILE_VERIFY_ON_FAILURE = 1<<3,
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WRITE_STRING_FILE_SYNC = 1<<4,
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WRITE_STRING_FILE_DISABLE_BUFFER = 1<<5,
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/* And before you wonder, why write_string_file_atomic_label_ts() is a separate function instead of just one
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more flag here: it's about linking: we don't want to pull -lselinux into all users of write_string_file()
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and friends. */
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} WriteStringFileFlags;
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int write_string_stream_ts(FILE *f, const char *line, WriteStringFileFlags flags, struct timespec *ts);
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static inline int write_string_stream(FILE *f, const char *line, WriteStringFileFlags flags) {
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return write_string_stream_ts(f, line, flags, NULL);
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}
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int write_string_file_ts(const char *fn, const char *line, WriteStringFileFlags flags, struct timespec *ts);
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static inline int write_string_file(const char *fn, const char *line, WriteStringFileFlags flags) {
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return write_string_file_ts(fn, line, flags, NULL);
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}
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int write_string_filef(const char *fn, WriteStringFileFlags flags, const char *format, ...) _printf_(3, 4);
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int read_one_line_file(const char *fn, char **line);
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int read_full_file(const char *fn, char **contents, size_t *size);
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int read_full_stream(FILE *f, char **contents, size_t *size);
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int verify_file(const char *fn, const char *blob, bool accept_extra_nl);
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int parse_env_filev(FILE *f, const char *fname, const char *separator, va_list ap);
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int parse_env_file(FILE *f, const char *fname, const char *separator, ...) _sentinel_;
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int load_env_file(FILE *f, const char *fname, const char *separator, char ***l);
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int load_env_file_pairs(FILE *f, const char *fname, const char *separator, char ***l);
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int merge_env_file(char ***env, FILE *f, const char *fname);
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int write_env_file(const char *fname, char **l);
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int executable_is_script(const char *path, char **interpreter);
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int get_proc_field(const char *filename, const char *pattern, const char *terminator, char **field);
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DIR *xopendirat(int dirfd, const char *name, int flags);
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int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f);
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int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f);
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#define FOREACH_LINE(line, f, on_error) \
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for (;;) \
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if (!fgets(line, sizeof(line), f)) { \
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if (ferror(f)) { \
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on_error; \
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} \
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break; \
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} else
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int fflush_and_check(FILE *f);
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int fflush_sync_and_check(FILE *f);
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int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
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int mkostemp_safe(char *pattern);
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int tempfn_xxxxxx(const char *p, const char *extra, char **ret);
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int tempfn_random(const char *p, const char *extra, char **ret);
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int tempfn_random_child(const char *p, const char *extra, char **ret);
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int write_timestamp_file_atomic(const char *fn, usec_t n);
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int read_timestamp_file(const char *fn, usec_t *ret);
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int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space);
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int open_tmpfile_unlinkable(const char *directory, int flags);
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int open_tmpfile_linkable(const char *target, int flags, char **ret_path);
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int open_serialization_fd(const char *ident);
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int link_tmpfile(int fd, const char *path, const char *target);
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int read_nul_string(FILE *f, char **ret);
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int mkdtemp_malloc(const char *template, char **ret);
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int read_line(FILE *f, size_t limit, char **ret);
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