int lws_alloc_vfs_file(struct lws_context *context, const char *filename, uint8_t **buf,
lws_filepos_t *amount)
{
lws_filepos_t len;
lws_fop_flags_t flags = LWS_O_RDONLY;
lws_fop_fd_t fops_fd = lws_vfs_file_open(
lws_get_fops(context), filename, &flags);
int ret = 1;
if (!fops_fd)
return 1;
len = lws_vfs_get_length(fops_fd);
*buf = lws_malloc((size_t)len, "lws_alloc_vfs_file");
if (!*buf)
goto bail;
if (lws_vfs_file_read(fops_fd, amount, *buf, len))
goto bail;
ret = 0;
bail:
lws_vfs_file_close(&fops_fd);
return ret;
}
/* this shows how to override the lws file operations. You don't need
* to do any of this unless you have a reason (eg, want to serve
* compressed files without decompressing the whole archive)
*/
static lws_fop_fd_t
test_server_fops_open(const struct lws_plat_file_ops *fops,
const char *vfs_path, const char *vpath,
lws_fop_flags_t * flags)
{
lws_fop_fd_t fop_fd;
/* call through to original platform implementation */
fop_fd = fops_plat.open(fops, vfs_path, vpath, flags);
if (fop_fd)
lwsl_info("%s: opening %s, ret %p, len %lu\n", __func__,
vfs_path, fop_fd, (long)lws_vfs_get_length(fop_fd));
else
lwsl_info("%s: open %s failed\n", __func__, vfs_path);
return fop_fd;
}
