diff options
| -rw-r--r-- | src/include/cbfs_core.h | 4 | ||||
| -rw-r--r-- | src/lib/cbfs_core.c | 16 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/include/cbfs_core.h b/src/include/cbfs_core.h index 3cef9031ab..b01a30718f 100644 --- a/src/include/cbfs_core.h +++ b/src/include/cbfs_core.h @@ -224,6 +224,10 @@ struct cbfs_media { ssize_t cbfs_locate_file(struct cbfs_media *media, struct cbfs_file *file, const char *name); +/* Read count bytes at offset into dest. Return number of bytes read. */ +size_t cbfs_read(struct cbfs_media *media, void *dest, size_t offset, + size_t count); + /* returns pointer to a file entry inside CBFS or NULL */ struct cbfs_file *cbfs_get_file(struct cbfs_media *media, const char *name); diff --git a/src/lib/cbfs_core.c b/src/lib/cbfs_core.c index 24e5998f71..6455a07708 100644 --- a/src/lib/cbfs_core.c +++ b/src/lib/cbfs_core.c @@ -194,6 +194,22 @@ ssize_t cbfs_locate_file(struct cbfs_media *media, struct cbfs_file *file, return -1; } +size_t cbfs_read(struct cbfs_media *media, void *dest, size_t offset, + size_t count) +{ + struct cbfs_media default_media; + size_t nread; + + if (init_media(&media, &default_media)) + return 0; + + media->open(media); + nread = media->read(media, dest, offset, count); + media->close(media); + + return nread; +} + struct cbfs_file *cbfs_get_file(struct cbfs_media *media, const char *name) { struct cbfs_media default_media; |