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https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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2c537b9d21
For better or worse, we already pull in large parts of systemd sources. I need a base64 decode implementation (because glib's g_base64_decode() cannot reject invalid encodings). Instead of coming up with my own or copy-paste if from somewhere, reuse systemd's unbase64mem(). But for that, make systemd's basic bits an independent static library first because I will need it in libnm-core. This doesn't really change anything except making "libnm-systemd-core.la" an indpendent static library that could be used from "libnm-core". We shall still be mindful about which internal code of systemd we use, and only access functionality that is exposed via "systemd/nm-sd-utils-shared.h".
78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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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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#define LONG_LINE_MAX (1U*1024U*1024U)
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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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WRITE_STRING_FILE_NOFOLLOW = 1 << 6,
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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 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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int fflush_and_check(FILE *f);
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int fflush_sync_and_check(FILE *f);
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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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typedef enum ReadLineFlags {
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READ_LINE_ONLY_NUL = 1 << 0,
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} ReadLineFlags;
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int read_line_full(FILE *f, size_t limit, ReadLineFlags flags, char **ret);
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static inline int read_line(FILE *f, size_t limit, char **ret) {
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return read_line_full(f, limit, 0, ret);
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}
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static inline int read_nul_string(FILE *f, size_t limit, char **ret) {
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return read_line_full(f, limit, READ_LINE_ONLY_NUL, ret);
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}
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int safe_fgetc(FILE *f, char *ret);
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