1 /* SPDX-License-Identifier: LGPL-2.1+ */
11 #include "time-util.h"
14 WRITE_STRING_FILE_CREATE = 1 << 0,
15 WRITE_STRING_FILE_ATOMIC = 1 << 1,
16 WRITE_STRING_FILE_AVOID_NEWLINE = 1 << 2,
17 WRITE_STRING_FILE_VERIFY_ON_FAILURE = 1 << 3,
18 WRITE_STRING_FILE_SYNC = 1 << 4,
19 WRITE_STRING_FILE_DISABLE_BUFFER = 1 << 5,
21 /* And before you wonder, why write_string_file_atomic_label_ts() is a separate function instead of just one
22 more flag here: it's about linking: we don't want to pull -lselinux into all users of write_string_file()
25 } WriteStringFileFlags;
27 int write_string_stream_ts(FILE *f, const char *line, WriteStringFileFlags flags, struct timespec *ts);
28 static inline int write_string_stream(FILE *f, const char *line, WriteStringFileFlags flags) {
29 return write_string_stream_ts(f, line, flags, NULL);
31 int write_string_file_ts(const char *fn, const char *line, WriteStringFileFlags flags, struct timespec *ts);
32 static inline int write_string_file(const char *fn, const char *line, WriteStringFileFlags flags) {
33 return write_string_file_ts(fn, line, flags, NULL);
36 int write_string_filef(const char *fn, WriteStringFileFlags flags, const char *format, ...) _printf_(3, 4);
38 int read_one_line_file(const char *fn, char **line);
39 int read_full_file(const char *fn, char **contents, size_t *size);
40 int read_full_stream(FILE *f, char **contents, size_t *size);
42 int verify_file(const char *fn, const char *blob, bool accept_extra_nl);
44 int parse_env_filev(FILE *f, const char *fname, const char *separator, va_list ap);
45 int parse_env_file(FILE *f, const char *fname, const char *separator, ...) _sentinel_;
46 #if 0 /// UNNEEDED by elogind
47 int load_env_file(FILE *f, const char *fname, const char *separator, char ***l);
49 int load_env_file_pairs(FILE *f, const char *fname, const char *separator, char ***l);
51 #if 0 /// UNNEEDED by elogind
52 int merge_env_file(char ***env, FILE *f, const char *fname);
54 int write_env_file(const char *fname, char **l);
56 int executable_is_script(const char *path, char **interpreter);
59 int get_proc_field(const char *filename, const char *pattern, const char *terminator, char **field);
61 DIR *xopendirat(int dirfd, const char *name, int flags);
63 #if 0 /// UNNEEDED by elogind
64 int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f);
65 int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f);
68 #define FOREACH_LINE(line, f, on_error) \
70 if (!fgets(line, sizeof(line), f)) { \
77 int fflush_and_check(FILE *f);
78 int fflush_sync_and_check(FILE *f);
80 int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
81 int mkostemp_safe(char *pattern);
83 int tempfn_xxxxxx(const char *p, const char *extra, char **ret);
84 int tempfn_random(const char *p, const char *extra, char **ret);
85 #if 0 /// UNNEEDED by elogind
86 int tempfn_random_child(const char *p, const char *extra, char **ret);
88 int write_timestamp_file_atomic(const char *fn, usec_t n);
89 int read_timestamp_file(const char *fn, usec_t *ret);
91 int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space);
94 int open_tmpfile_unlinkable(const char *directory, int flags);
95 #if 0 /// UNNEEDED by elogind
96 int open_tmpfile_linkable(const char *target, int flags, char **ret_path);
98 int open_serialization_fd(const char *ident);
100 #if 0 /// UNNEEDED by elogind
101 int link_tmpfile(int fd, const char *path, const char *target);
103 int read_nul_string(FILE *f, char **ret);
105 int mkdtemp_malloc(const char *template, char **ret);
108 int read_line(FILE *f, size_t limit, char **ret);