}
static int drop_from_file(const char *fn, uint64_t keep) {
- int r, k;
- uint32_t hi, lo;
+ _cleanup_free_ char *p = NULL;
uint64_t current, after;
- char *p;
+ uint32_t hi, lo;
+ int r, k;
r = read_one_line_file(fn, &p);
if (r < 0)
assert_cc(sizeof(lo) == sizeof(unsigned));
k = sscanf(p, "%u %u", &lo, &hi);
- free(p);
-
if (k != 2)
return -EIO;
lo = (unsigned) (after & 0xFFFFFFFFULL);
hi = (unsigned) ((after >> 32ULL) & 0xFFFFFFFFULL);
- if (asprintf(&p, "%u %u", lo, hi) < 0)
- return -ENOMEM;
-
- r = write_string_file(fn, p, WRITE_STRING_FILE_CREATE);
- free(p);
-
- return r;
+ return write_string_filef(fn, WRITE_STRING_FILE_CREATE, "%u %u", lo, hi);
}
int capability_bounding_set_drop_usermode(uint64_t keep) {
return 0;
}
+int write_string_filef(
+ const char *fn,
+ WriteStringFileFlags flags,
+ const char *format, ...) {
+
+ _cleanup_free_ char *p = NULL;
+ va_list ap;
+ int r;
+
+ va_start(ap, format);
+ r = vasprintf(&p, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return -ENOMEM;
+
+ return write_string_file(fn, p, flags);
+}
+
int read_one_line_file(const char *fn, char **line) {
_cleanup_fclose_ FILE *f = NULL;
int r;
return write_string_file_ts(fn, line, flags, NULL);
}
+int write_string_filef(const char *fn, WriteStringFileFlags flags, const char *format, ...) _printf_(3, 4);
+
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);