diff options
Diffstat (limited to 'lib/libelf/libelf_xlate.c')
| -rw-r--r-- | lib/libelf/libelf_xlate.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libelf/libelf_xlate.c b/lib/libelf/libelf_xlate.c index 362e82d..5137b2c 100644 --- a/lib/libelf/libelf_xlate.c +++ b/lib/libelf/libelf_xlate.c @@ -48,6 +48,7 @@ Elf_Data * _libelf_xlate(Elf_Data *dst, const Elf_Data *src, unsigned int encoding, int elfclass, int direction) { + int byteswap; size_t cnt, dsz, fsz, msz; uintptr_t sb, se, db, de; @@ -132,12 +133,17 @@ _libelf_xlate(Elf_Data *dst, const Elf_Data *src, unsigned int encoding, dst->d_type = src->d_type; dst->d_size = dsz; + byteswap = encoding != LIBELF_PRIVATE(byteorder); + if (src->d_size == 0 || - (db == sb && encoding == LIBELF_PRIVATE(byteorder) && fsz == msz)) + (db == sb && !byteswap && fsz == msz)) return (dst); /* nothing more to do */ - (_libelf_get_translator(src->d_type, direction, elfclass))(dst->d_buf, - src->d_buf, cnt, encoding != LIBELF_PRIVATE(byteorder)); + if (!(_libelf_get_translator(src->d_type, direction, elfclass)) + (dst->d_buf, dsz, src->d_buf, cnt, byteswap)) { + LIBELF_SET_ERROR(DATA, 0); + return (NULL); + } return (dst); } |
