diff options
Diffstat (limited to 'vlib/vlib/unix/util.c')
| -rw-r--r-- | vlib/vlib/unix/util.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/vlib/vlib/unix/util.c b/vlib/vlib/unix/util.c index d64036024bf..7a3a2bf9c47 100644 --- a/vlib/vlib/unix/util.c +++ b/vlib/vlib/unix/util.c @@ -59,7 +59,6 @@ foreach_directory_file (char * dir_name, d = opendir (dir_name); if (! d) { - /* System has no PCI bus. */ if (errno == ENOENT) return 0; return clib_error_return_unix (0, "open `%s'", dir_name); @@ -101,7 +100,7 @@ foreach_directory_file (char * dir_name, } clib_error_t * -write_sys_fs (char * file_name, char * fmt, ...) +vlib_sysfs_write (char * file_name, char * fmt, ...) { u8 * s; int fd; @@ -124,7 +123,7 @@ write_sys_fs (char * file_name, char * fmt, ...) } clib_error_t * -read_sys_fs (char * file_name, char * fmt, ...) +vlib_sysfs_read (char * file_name, char * fmt, ...) { unformat_input_t input; u8 * s = 0; @@ -163,3 +162,28 @@ read_sys_fs (char * file_name, char * fmt, ...) return 0; } +u8 * +vlib_sysfs_link_to_name(char * link) +{ + char *p, buffer[64]; + unformat_input_t in; + u8 *s = 0; + int r; + + r = readlink(link, buffer, sizeof(buffer) - 1); + + if (r < 0) + return 0; + + buffer[r] = 0; + p = strrchr(buffer, '/'); + + if (!p) + return 0; + + unformat_init_string (&in, p+1, strlen (p+1)); + unformat(&in, "%s", &s); + unformat_free (&in); + + return s; +} |