Rename library_offset to library_fd_offset
replace lseek() and use pread() instead
add test for library_fd_offset > file_size case
Bug: 17762003
Change-Id: I4555f0be635124efe849c1f226985bcba72ffcbd
diff --git a/libc/include/android/dlext.h b/libc/include/android/dlext.h
index f81ec70..f27e4e5 100644
--- a/libc/include/android/dlext.h
+++ b/libc/include/android/dlext.h
@@ -54,11 +54,11 @@
*/
ANDROID_DLEXT_USE_LIBRARY_FD = 0x10,
- /* When opening library using library_fd read it starting with library_offset
+ /* If opening a library using library_fd read it starting at library_fd_offset.
* This flag is only valid when ANDROID_DLEXT_USE_LIBRARY_FD is set.
*/
- ANDROID_DLEXT_USE_LIBRARY_OFFSET = 0x20,
+ ANDROID_DLEXT_USE_LIBRARY_FD_OFFSET = 0x20,
/* Mask of valid bits */
ANDROID_DLEXT_VALID_FLAG_BITS = ANDROID_DLEXT_RESERVED_ADDRESS |
@@ -66,7 +66,7 @@
ANDROID_DLEXT_WRITE_RELRO |
ANDROID_DLEXT_USE_RELRO |
ANDROID_DLEXT_USE_LIBRARY_FD |
- ANDROID_DLEXT_USE_LIBRARY_OFFSET,
+ ANDROID_DLEXT_USE_LIBRARY_FD_OFFSET,
};
typedef struct {
@@ -75,7 +75,7 @@
size_t reserved_size;
int relro_fd;
int library_fd;
- off64_t library_offset;
+ off64_t library_fd_offset;
} android_dlextinfo;
extern void* android_dlopen_ext(const char* filename, int flag, const android_dlextinfo* extinfo);