diff options
| -rw-r--r-- | usr.bin/tail/forward.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/usr.bin/tail/forward.c b/usr.bin/tail/forward.c index cfcb535..ef046cc 100644 --- a/usr.bin/tail/forward.c +++ b/usr.bin/tail/forward.c @@ -274,15 +274,21 @@ rlines(fp, off, sbp) if (!(size = sbp->st_size)) return; + /* + * size not passed directly to mmap() below because unclear error + * diagnostic "Invalid argument". + */ if (size > SIZE_T_MAX || size < 0) { errno = EFBIG; ierr(); exit(1); } - /* XXX: FIXME - mmap() not support files over 2Gb */ - /* Large file processing require alternative implementation */ - /* for now print nice error diagnostic at least */ + /* + * XXX: FIXME - mmap() not support files over 2GB + * Large file processing require alternative implementation, + * for now print nice error diagnostic at least. + */ if (size > SSIZE_MAX) { errno = EFBIG; ierr(); |
