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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-05 21:38:38 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-05 21:38:38 +0000
commit66e6b2cd420b93a414934ce0583153cef7ad261d (patch)
tree8eb2b2efb271fa1acfafce6d0d5b07def2a65f0f /target/linux
parentfd7f4dc5bf7b0cd011eb149a1c28fd8fadd918db (diff)
[PATCH] ld.so: ldd crashes when __LDSO_SEARCH_INTERP_PATH__ is not #defined
Since b65c7b2c79debcb9017e31913e01eeaa280106fb, the implicit search path can be disabled by not #defining __LDSO_SEARCH_INTERP_PATH__. This causes _dl_ldsopath to never be set, so it remains NULL. _dl_ldsopath is still used when __LDSO_LDD_SUPPORT__ is #defined, to strip the path off of the beginning of the absolute path to the ld.so interpreter in use for printing. The _dl_strlen will crash with a NULL argument. Rather than relying on _dl_ldsopath, this change causes ldd to compute the interpreter's basename directly. glibc ld.so seems to print the full path to the interpreter without any computed basename or =>. I personally prefer glibc's behavior, but to preserve backwards compatibility with uClibc ld.so, the existing format with the computed basename, =>, and full path is used here. This enables simpler (and unchanged) text processing in a pipeline. Signed-off-by: Mark Mentovai <mark at moxienet.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23892 3c298f89-4303-0410-b956-a3cf2f4a3e73
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