diff options
Diffstat (limited to 'src/split.c')
| -rw-r--r-- | src/split.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/split.c b/src/split.c index b6fe2ddef..35f2629ae 100644 --- a/src/split.c +++ b/src/split.c @@ -1493,7 +1493,9 @@ main (int argc, char **argv) if (fstat (STDIN_FILENO, &in_stat_buf) != 0) error (EXIT_FAILURE, errno, "%s", infile); - if (in_blk_size == 0) + + bool specified_buf_size = !! in_blk_size; + if (! specified_buf_size) in_blk_size = io_blksize (in_stat_buf); void *b = xmalloc (in_blk_size + 1 + page_size - 1); @@ -1505,8 +1507,9 @@ main (int argc, char **argv) off_t input_offset = lseek (STDIN_FILENO, 0, SEEK_CUR); if (0 <= input_offset) { - if (usable_st_size (&in_stat_buf)) + if (usable_st_size (&in_stat_buf) && ! specified_buf_size) { + assert (ST_BLKSIZE (in_stat_buf) <= in_blk_size); file_size = input_file_size (STDIN_FILENO, in_stat_buf.st_size, buf, in_blk_size); if (file_size < in_blk_size) |