diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/util.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/util.h b/include/util.h index aff313f..1503fb8 100644 --- a/include/util.h +++ b/include/util.h @@ -31,9 +31,11 @@ int write_data(const char *errstr, int fd, const void *data, size_t size); /* A wrapper around the read() system call. It retries the read if it is - interrupted by a signal or less than the desired size was read. + interrupted by a signal or less than the desired size was read. Returns 0 + on success. Writes to stderr on failure using 'errstr' as a perror style + error prefix. */ -ssize_t read_retry(int fd, void *buffer, size_t size); +int read_data(const char *errstr, int fd, void *buffer, size_t size); /* A common implementation of the '--version' command line flag. |