diff options
| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-06-12 19:11:35 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-06-15 13:38:25 +0200 |
| commit | 1f506a17903f5eeaded9065e42726c1a09dc6f89 (patch) | |
| tree | 6f3cff994ca5794ef41777845ebc7ff6d41525cb /lib/io/src/unix | |
| parent | eb9a4b9034453ae3093d678a6f3898303dc5a5a0 (diff) | |
libio: flip the meaning of the ostream_t sparse flag
Instead of "open sparse", make that the default and turn it into
a "no sparse" flag.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/io/src/unix')
| -rw-r--r-- | lib/io/src/unix/ostream.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/lib/io/src/unix/ostream.c b/lib/io/src/unix/ostream.c index 702a354..bc69f32 100644 --- a/lib/io/src/unix/ostream.c +++ b/lib/io/src/unix/ostream.c @@ -49,15 +49,7 @@ static int realize_sparse(file_ostream_t *file) if (file->sparse_count == 0) return 0; - if (file->flags & OSTREAM_OPEN_SPARSE) { - if (lseek(file->fd, file->sparse_count, SEEK_CUR) == (off_t)-1) - goto fail; - - if (ftruncate(file->fd, file->size) != 0) - goto fail; - - file->sparse_count = 0; - } else { + if (file->flags & OSTREAM_OPEN_NO_SPARSE) { bufsz = file->sparse_count > 1024 ? 1024 : file->sparse_count; buffer = calloc(1, bufsz); if (buffer == NULL) @@ -76,6 +68,14 @@ static int realize_sparse(file_ostream_t *file) } free(buffer); + } else { + if (lseek(file->fd, file->sparse_count, SEEK_CUR) == (off_t)-1) + goto fail; + + if (ftruncate(file->fd, file->size) != 0) + goto fail; + + file->sparse_count = 0; } return 0; @@ -194,5 +194,6 @@ ostream_t *ostream_open_file(const char *path, int flags) ostream_t *ostream_open_stdout(void) { - return ostream_open_handle("stdout", STDOUT_FILENO, 0); + return ostream_open_handle("stdout", STDOUT_FILENO, + OSTREAM_OPEN_NO_SPARSE); } |