#define READ_FULL_BYTES_MAX (4U*1024U*1024U)
+int fopen_unlocked(const char *path, const char *options, FILE **ret) {
+ assert(ret);
+
+ FILE *f = fopen(path, options);
+ if (!f)
+ return -errno;
+
+ (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+
+ *ret = f;
+ return 0;
+}
+
int write_string_stream_ts(
FILE *f,
const char *line,
int read_one_line_file(const char *fn, char **line) {
_cleanup_fclose_ FILE *f = NULL;
+ int r;
assert(fn);
assert(line);
- f = fopen(fn, "re");
- if (!f)
- return -errno;
-
- (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+ r = fopen_unlocked(fn, "re", &f);
+ if (r < 0)
+ return r;
return read_line(f, LONG_LINE_MAX, line);
}
_cleanup_fclose_ FILE *f = NULL;
_cleanup_free_ char *buf = NULL;
size_t l, k;
+ int r;
assert(fn);
assert(blob);
if (!buf)
return -ENOMEM;
- f = fopen(fn, "re");
- if (!f)
- return -errno;
-
- (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+ r = fopen_unlocked(fn, "re", &f);
+ if (r < 0)
+ return r;
/* We try to read one byte more than we need, so that we know whether we hit eof */
errno = 0;
int read_full_file_full(const char *filename, ReadFullFileFlags flags, char **contents, size_t *size) {
_cleanup_fclose_ FILE *f = NULL;
+ int r;
assert(filename);
assert(contents);
- f = fopen(filename, "re");
- if (!f)
- return -errno;
-
- (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+ r = fopen_unlocked(filename, "re", &f);
+ if (r < 0)
+ return r;
return read_full_stream_full(f, filename, flags, contents, size);
}