block.c (e012b78cf5bc42f20ef1a1f78383035f2293ceea) block.c (0a82855a1a819f3de49781d42728f485fbd64284)
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 289 unchanged lines hidden (view full) ---

298 if (len > dest_size - 1)
299 len = dest_size - 1;
300 memcpy(dest, base_path, len);
301 dest[len] = '\0';
302 pstrcat(dest, dest_size, filename);
303 }
304}
305
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 289 unchanged lines hidden (view full) ---

298 if (len > dest_size - 1)
299 len = dest_size - 1;
300 memcpy(dest, base_path, len);
301 dest[len] = '\0';
302 pstrcat(dest, dest_size, filename);
303 }
304}
305
306void bdrv_get_full_backing_filename(BlockDriverState *bs, char *dest, size_t sz)
306void bdrv_get_full_backing_filename_from_filename(const char *backed,
307 const char *backing,
308 char *dest, size_t sz)
307{
309{
308 if (bs->backing_file[0] == '\0' || path_has_protocol(bs->backing_file)) {
309 pstrcpy(dest, sz, bs->backing_file);
310 if (backing[0] == '\0' || path_has_protocol(backing)) {
311 pstrcpy(dest, sz, backing);
310 } else {
312 } else {
311 path_combine(dest, sz, bs->filename, bs->backing_file);
313 path_combine(dest, sz, backed, backing);
312 }
313}
314
314 }
315}
316
317void bdrv_get_full_backing_filename(BlockDriverState *bs, char *dest, size_t sz)
318{
319 bdrv_get_full_backing_filename_from_filename(bs->filename, bs->backing_file,
320 dest, sz);
321}
322
315void bdrv_register(BlockDriver *bdrv)
316{
317 /* Block drivers without coroutine functions need emulation */
318 if (!bdrv->bdrv_co_readv) {
319 bdrv->bdrv_co_readv = bdrv_co_readv_em;
320 bdrv->bdrv_co_writev = bdrv_co_writev_em;
321
322 /* bdrv_co_readv_em()/brdv_co_writev_em() work in terms of aio, so if

--- 5764 unchanged lines hidden --- 		323void bdrv_register(BlockDriver *bdrv)
324{
325 /* Block drivers without coroutine functions need emulation */
326 if (!bdrv->bdrv_co_readv) {
327 bdrv->bdrv_co_readv = bdrv_co_readv_em;
328 bdrv->bdrv_co_writev = bdrv_co_writev_em;
329
330 /* bdrv_co_readv_em()/brdv_co_writev_em() work in terms of aio, so if

--- 5764 unchanged lines hidden ---