Cleanup: rename libfstream to libio, split headers

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 173 deletions

diff --git a/lib/fstream/unix/ostream.c b/lib/fstream/unix/ostream.c
deleted file mode 100644
index 17f1998..0000000
--- a/lib/fstream/unix/ostream.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * ostream.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-typedef struct {
-	ostream_t base;
-	char *path;
-	int fd;
-
-	off_t sparse_count;
-	off_t size;
-} file_ostream_t;
-
-static int file_append(ostream_t *strm, const void *data, size_t size)
-{
-	file_ostream_t *file = (file_ostream_t *)strm;
-	ssize_t ret;
-
-	if (size == 0)
-		return 0;
-
-	if (file->sparse_count > 0) {
-		if (lseek(file->fd, file->sparse_count, SEEK_CUR) == (off_t)-1)
-			goto fail_errno;
-
-		file->sparse_count = 0;
-	}
-
-	while (size > 0) {
-		ret = write(file->fd, data, size);
-
-		if (ret == 0) {
-			fprintf(stderr, "%s: truncated data write.\n",
-				file->path);
-			return -1;
-		}
-
-		if (ret < 0) {
-			if (errno == EINTR)
-				continue;
-			goto fail_errno;
-		}
-
-		file->size += ret;
-		size -= ret;
-		data = (const char *)data + ret;
-	}
-
-	return 0;
-fail_errno:
-	perror(file->path);
-	return -1;
-}
-
-static int file_append_sparse(ostream_t *strm, size_t size)
-{
-	file_ostream_t *file = (file_ostream_t *)strm;
-
-	file->sparse_count += size;
-	file->size += size;
-	return 0;
-}
-
-static int file_flush(ostream_t *strm)
-{
-	file_ostream_t *file = (file_ostream_t *)strm;
-
-	if (file->sparse_count > 0) {
-		if (ftruncate(file->fd, file->size) != 0)
-			goto fail;
-	}
-
-	if (fsync(file->fd) != 0) {
-		if (errno == EINVAL)
-			return 0;
-		goto fail;
-	}
-
-	return 0;
-fail:
-	perror(file->path);
-	return -1;
-}
-
-static void file_destroy(sqfs_object_t *obj)
-{
-	file_ostream_t *file = (file_ostream_t *)obj;
-
-	if (file->fd != STDOUT_FILENO)
-		close(file->fd);
-
-	free(file->path);
-	free(file);
-}
-
-static const char *file_get_filename(ostream_t *strm)
-{
-	file_ostream_t *file = (file_ostream_t *)strm;
-
-	return file->path;
-}
-
-ostream_t *ostream_open_file(const char *path, int flags)
-{
-	file_ostream_t *file = calloc(1, sizeof(*file));
-	sqfs_object_t *obj = (sqfs_object_t *)file;
-	ostream_t *strm = (ostream_t *)file;
-
-	if (file == NULL) {
-		perror(path);
-		return NULL;
-	}
-
-	file->path = strdup(path);
-	if (file->path == NULL) {
-		perror(path);
-		goto fail_free;
-	}
-
-	if (flags & OSTREAM_OPEN_OVERWRITE) {
-		file->fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
-	} else {
-		file->fd = open(path, O_WRONLY | O_CREAT | O_EXCL, 0644);
-	}
-
-	if (file->fd < 0) {
-		perror(path);
-		goto fail_path;
-	}
-
-	if (flags & OSTREAM_OPEN_SPARSE)
-		strm->append_sparse = file_append_sparse;
-
-	strm->append = file_append;
-	strm->flush = file_flush;
-	strm->get_filename = file_get_filename;
-	obj->destroy = file_destroy;
-	return strm;
-fail_path:
-	free(file->path);
-fail_free:
-	free(file);
-	return NULL;
-}
-
-ostream_t *ostream_open_stdout(void)
-{
-	file_ostream_t *file = calloc(1, sizeof(*file));
-	sqfs_object_t *obj = (sqfs_object_t *)file;
-	ostream_t *strm = (ostream_t *)file;
-
-	if (file == NULL)
-		goto fail;
-
-	file->path = strdup("stdout");
-	if (file->path == NULL)
-		goto fail;
-
-	file->fd = STDOUT_FILENO;
-	strm->append = file_append;
-	strm->flush = file_flush;
-	strm->get_filename = file_get_filename;
-	obj->destroy = file_destroy;
-	return strm;
-fail:
-	perror("creating file wrapper for stdout");
-	free(file);
-	return NULL;
-}