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* implement minimal dlinfo functionRich Felker2013-06-291-0/+3
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* add RTLD_NODELETE flag for dlopenRich Felker2013-01-231-0/+1
| | | | | | this is a trivial no-op, because dlclose never deletes libraries. thus we might as well have it in the header in case some application wants it, since we're already providing it anyway.
* add support for RTLD_NOLOAD to dlopenRich Felker2013-01-231-0/+1
| | | | | | | | based on patch by Pierre Carrier <pierre@gcarrier.fr> that just added the flag constant, but with minimal additional code so that it actually works as documented. this is a nonstandard option but some major software (reportedly, Firefox) uses it and it was easy to add anyway.
* default features: make musl usable without feature test macrosRich Felker2012-09-071-5/+1
| | | | | | | | | | the old behavior of exposing nothing except plain ISO C can be obtained by defining __STRICT_ANSI__ or using a compiler option (such as -std=c99) that predefines it. the new default featureset is POSIX with XSI plus _BSD_SOURCE. any explicit feature test macros will inhibit the default. installation docs have also been updated to reflect this change.
* dladdr should be available under _BSD_SOURCE as well as _GNU_SOURCERich Felker2012-09-061-1/+1
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* use restrict everywhere it's required by c99 and/or posix 2008Rich Felker2012-09-061-1/+7
| | | | | | | | to deal with the fact that the public headers may be used with pre-c99 compilers, __restrict is used in place of restrict, and defined appropriately for any supported compiler. we also avoid the form [restrict] since older versions of gcc rejected it due to a bug in the original c99 standard, and instead use the form *restrict.
* dladdr support for dynamic linker (nonstandard extension)Rich Felker2012-08-261-0/+10
| | | | | | | | | based on patches submitted by boris brezillon. this commit also fixes the issue whereby the main application and libc don't have the address ranges of their mappings stored, which was theoretically a problem for RTLD_NEXT support in dlsym; it didn't actually matter because libc never calls dlsym, and it seemed to be doing the right thing (by chance) for symbols in the main program as well.
* further fixup dlfcn.hRich Felker2011-06-271-4/+10
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* match LSB/glibc constants for dynamic loaderRich Felker2011-06-271-4/+4
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+19