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authorJo-Philipp Wich <jow@openwrt.org>2010-11-05 21:38:38 +0000
committerJo-Philipp Wich <jow@openwrt.org>2010-11-05 21:38:38 +0000
commitcd330a000ef2693fdd9167f8d6140b1a3dbd0a5a (patch)
tree8eb2b2efb271fa1acfafce6d0d5b07def2a65f0f /target/linux/ep93xx
parentadbf01458015a61356c6c4fadee11be93a805186 (diff)
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[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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