memleak in lt_dlexit()

[Norbert Sendetzky]

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Hi all

I've found that user_search_path is not freed if libltdl is finally 
shut down. This results in a memory leak if you call lt_dlinit(), 
lt_dlsetsearchpath("test") and lt_dlexit() in a loop.

There seems to be another one in lt_dlopenext() or in one of its 
called functions, but I haven't found the line yet. It would be nice, 
if someone else would also check for memleaks. Maybe there are more 
around.

Furthermore in try_dlopen() (line 3232 and below in 1.5.4) 
sizeof("string")-1 is used in strncmp(). It seems that this should be 
LT_STRLEN("string") instead, because sizeof(char*)-1 is always 3. 
Thus, the "library_names=" case will never be matched because the 
"libdir=" is used instead.

Thanks


Norbert

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lt_dlexit_memleak.diff
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