diff options
Diffstat (limited to 'libbb/full_write.c')
| -rw-r--r-- | libbb/full_write.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libbb/full_write.c b/libbb/full_write.c index 7bbacb8ac..7503c8b42 100644 --- a/libbb/full_write.c +++ b/libbb/full_write.c @@ -24,8 +24,14 @@ ssize_t full_write(int fd, const void *buf, size_t len) while (len) { cc = safe_write(fd, buf, len); - if (cc < 0) + if (cc < 0) { + if (total) { + /* we already wrote some! */ + /* user can do another write to know the error code */ + return total; + } return cc; /* write() returns -1 on failure. */ + } total += cc; buf = ((const char *)buf) + cc; |