C++ (Cpp) fflush_sync_and_check Examples

Example #1

File: fileio.c Project: heftig/systemd

int write_string_stream_ts(
                FILE *f,
                const char *line,
                WriteStringFileFlags flags,
                struct timespec *ts) {

        assert(f);
        assert(line);

        fputs(line, f);
        if (!(flags & WRITE_STRING_FILE_AVOID_NEWLINE) && !endswith(line, "\n"))
                fputc('\n', f);

        if (ts) {
                struct timespec twice[2] = {*ts, *ts};

                if (futimens(fileno(f), twice) < 0)
                        return -errno;
        }

        if (flags & WRITE_STRING_FILE_SYNC)
                return fflush_sync_and_check(f);
        else
                return fflush_and_check(f);
}

Example #2

File: fileio.c Project: vathpela/systemd

int write_string_stream_ts(
                FILE *f,
                const char *line,
                WriteStringFileFlags flags,
                struct timespec *ts) {

        bool needs_nl;
        int r;

        assert(f);
        assert(line);

        if (ferror(f))
                return -EIO;

        needs_nl = !(flags & WRITE_STRING_FILE_AVOID_NEWLINE) && !endswith(line, "\n");

        if (needs_nl && (flags & WRITE_STRING_FILE_DISABLE_BUFFER)) {
                /* If STDIO buffering was disabled, then let's append the newline character to the string itself, so
                 * that the write goes out in one go, instead of two */

                line = strjoina(line, "\n");
                needs_nl = false;
        }

        if (fputs(line, f) == EOF)
                return -errno;

        if (needs_nl)
                if (fputc('\n', f) == EOF)
                        return -errno;

        if (flags & WRITE_STRING_FILE_SYNC)
                r = fflush_sync_and_check(f);
        else
                r = fflush_and_check(f);
        if (r < 0)
                return r;

        if (ts) {
                struct timespec twice[2] = {*ts, *ts};

                if (futimens(fileno(f), twice) < 0)
                        return -errno;
        }

        return 0;
}

Example #3

File: firstboot.c Project: OpenDZ/systemd

static int write_root_shadow(const char *path, const struct spwd *p) {
        _cleanup_fclose_ FILE *f = NULL;
        assert(path);
        assert(p);

        RUN_WITH_UMASK(0777)
                f = fopen(path, "wex");
        if (!f)
                return -errno;

        errno = 0;
        if (putspent(p, f) != 0)
                return errno > 0 ? -errno : -EIO;

        return fflush_sync_and_check(f);
}

Example #4

File: firstboot.c Project: Keruspe/systemd

static int write_root_shadow(const char *path, const struct spwd *p) {
        _cleanup_fclose_ FILE *f = NULL;
        int r;

        assert(path);
        assert(p);

        RUN_WITH_UMASK(0777)
                f = fopen(path, "wex");
        if (!f)
                return -errno;

        r = putspent_sane(p, f);
        if (r < 0)
                return r;

        return fflush_sync_and_check(f);
}

Example #5

File: keymap-util.c Project: halfline/systemd

int x11_write_data(Context *c) {
        _cleanup_fclose_ FILE *f = NULL;
        _cleanup_free_ char *temp_path = NULL;
        struct stat st;
        int r;

        if (isempty(c->x11_layout) &&
            isempty(c->x11_model) &&
            isempty(c->x11_variant) &&
            isempty(c->x11_options)) {

                if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
                        return errno == ENOENT ? 0 : -errno;

                c->vc_mtime = USEC_INFINITY;
                return 0;
        }

        mkdir_p_label("/etc/X11/xorg.conf.d", 0755);

        r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
        if (r < 0)
                return r;

        (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
        (void) fchmod(fileno(f), 0644);

        fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n"
              "# probably wise not to edit this file manually. Use localectl(1) to\n"
              "# instruct systemd-localed to update it.\n"
              "Section \"InputClass\"\n"
              "        Identifier \"system-keyboard\"\n"
              "        MatchIsKeyboard \"on\"\n", f);

        if (!isempty(c->x11_layout))
                fprintf(f, "        Option \"XkbLayout\" \"%s\"\n", c->x11_layout);

        if (!isempty(c->x11_model))
                fprintf(f, "        Option \"XkbModel\" \"%s\"\n", c->x11_model);

        if (!isempty(c->x11_variant))
                fprintf(f, "        Option \"XkbVariant\" \"%s\"\n", c->x11_variant);

        if (!isempty(c->x11_options))
                fprintf(f, "        Option \"XkbOptions\" \"%s\"\n", c->x11_options);

        fputs("EndSection\n", f);

        r = fflush_sync_and_check(f);
        if (r < 0)
                goto fail;

        if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
                r = -errno;
                goto fail;
        }

        if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0)
                c->x11_mtime = timespec_load(&st.st_mtim);

        return 0;

fail:
        if (temp_path)
                (void) unlink(temp_path);

        return r;
}