int shfs_ref_write(shfs_ino_t *file, shbuf_t *buff) { shfs_t *fs; shfs_ino_t *ref; int err; err = shfs_ref_get(file, &fs, &ref); if (err) return (err); err = shfs_write(ref, buff); shfs_free(&fs); if (err) return (err); return (0); }
int shfs_file_copy(shfs_ino_t *src_file, shfs_ino_t *dest_file) { shfs_t *ref_fs; shfs_ino_t *ref; shstat st; shbuf_t *buff; int err; if (!src_file || !dest_file) return (SHERR_INVAL); /* ensure there is something to copy */ err = shfs_fstat(src_file, &st); if (err) { fprintf(stderr, "DEBUG: shfs_file_copy: %d = shfs_fstat(src_file)\n", err); return (err); } if (shfs_type(dest_file) == SHINODE_DIRECTORY) { #if 0 /* extract tar archive */ if (shfs_format(dest_file) == SHINODE_BINARY && 0 == strcmp(shfs_meta_get(dest_file, "content.mime"), "application/x-tar")) { buff = shbuf_init(); err = shfs_read(src_file, buff); if (err) { shbuf_free(&buff); return (err); } err = shfs_unarch(buff, dest_file); shbuf_free(&buff); return (0); } #endif if (!(shfs_attr(src_file) & SHATTR_ARCH)) { if (IS_INODE_CONTAINER(shfs_type(src_file))) { dest_file = shfs_inode(dest_file, shfs_filename(src_file), shfs_type(src_file)); } else { dest_file = shfs_inode(dest_file, NULL, shfs_type(src_file)); } } } ref = NULL; ref_fs = NULL; if (shfs_format(dest_file) == SHINODE_REFERENCE) { /* apply operation to end-point inode. */ err = shfs_ref_get(dest_file, &ref_fs, &ref); if (err) { fprintf(stderr, "DEBUG: shfs_file_copy: %d = shfs_ref_get(dest_file)\n", err); return (err); } dest_file = ref; } if (shfs_format(dest_file) != SHINODE_EXTERNAL) { /* direct copy data content without conversion when applicable. */ switch (shfs_format(src_file)) { #if 0 case SHINODE_COMPRESS: err = shfs_zlib_copy(src_file, dest_file); if (err) return (err); return (0); #endif } } /* default case */ buff = shbuf_init(); err = shfs_read(src_file, buff); if (err) { fprintf(stderr, "DEBUG: shfs_file_copy: %d = shfs_read()\n", err); goto done; } err = shfs_write(dest_file, buff); shbuf_free(&buff); if (err) { fprintf(stderr, "DEBUG: shfs_file_copy: %d = shfs_write()\n", err); goto done; } /* success */ err = 0; done: shbuf_free(&buff); if (ref_fs) shfs_free(&ref_fs); return (err); }