diff options
Diffstat (limited to 'src/basic/device-nodes.h')
| -rw-r--r-- | src/basic/device-nodes.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/basic/device-nodes.h b/src/basic/device-nodes.h index 94f385abcb..7dd8a772a5 100644 --- a/src/basic/device-nodes.h +++ b/src/basic/device-nodes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once /*** @@ -22,5 +23,18 @@ #include <stddef.h> #include <sys/types.h> +#include "macro.h" +#include "stdio-util.h" + int encode_devnode_name(const char *str, char *str_enc, size_t len); int whitelisted_char_for_devnode(char c, const char *additional); + +#define SYS_BLOCK_PATH_MAX(suffix) \ + (STRLEN("/sys/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t) + strlen_ptr(suffix)) +#define xsprintf_sys_block_path(buf, suffix, devno) \ + xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix)) + +#define DEV_NUM_PATH_MAX \ + (STRLEN("/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t)) +#define xsprintf_dev_num_path(buf, type, devno) \ + xsprintf(buf, "/dev/%s/%u:%u", type, major(devno), minor(devno)) |