diff options
Diffstat (limited to 'src/shared/util.c')
| -rw-r--r-- | src/shared/util.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index ff8835b72d..26a4f72b43 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -2292,13 +2292,15 @@ ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll) { return n; } -ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) { +int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) { const uint8_t *p = buf; ssize_t n = 0; assert(fd >= 0); assert(buf); + errno = 0; + while (nbytes > 0) { ssize_t k; @@ -2317,14 +2319,15 @@ ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) { } if (k <= 0) - return n > 0 ? n : (k < 0 ? -errno : 0); + /* We were not done yet, and a write error occured. */ + return errno ? -errno : -EIO; p += k; nbytes -= k; n += k; } - return n; + return 0; } int parse_size(const char *t, off_t base, off_t *size) { |