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glibc patch: add a few dn_* functions

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This is necessary to build glib.
This commit is contained in:
Motiejus Jakštys 2023-05-04 10:36:05 +03:00 • committed by Andrew Kelley
parent 5af14711a8
commit 7c4bf07060
1 changed files with 16 additions and 9 deletions
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25
lib/libc/include/generic-glibc/resolv.h vendored
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@ -171,16 +171,20 @@ __END_DECLS
#define res_isourserver __res_isourserver
/* In glibc 2.33 and earlier res_search, res_nsearch, res_query, res_nquery,
* res_querydomain, res_nquerydomain were #define'd to __res_search,
* __res_nsearch, etc. glibc 2.34 onwards removes the macros and exposes the
* symbols directly. New glibc exposes compat symbols with underscores for
* backwards compatibility. Applications linked to glibc 2.34+ are expected
* to use the non-underscored symbols.
* res_querydomain, res_nquerydomain, dn_skipname, dn_comp, dn_expand were
* #define'd to __res_search, __res_nsearch, etc. glibc 2.34 onwards removes
* the macros and exposes the symbols directly. New glibc exposes compat
* symbols with underscores for backwards compatibility. Applications linked to
* glibc 2.34+ are expected to use the non-underscored symbols.
*
* It will be enough to bring the macros back when compiling against the older
* glibc versions.
* It is enough to bring the macros back when compiling against the older glibc
* versions.
*
* See glibc commit ea9878ec271c791880fcbbe519d70c42f8113750.
* See glibc commits:
* - ea9878ec271c791880fcbbe519d70c42f8113750 res_*
* - 391e02236b931132c0e8b5ba4c3b087c2aaa1044 dn_skipname
* - fd8a87c0c1932de591e7ad108ff6288a4b6b18c9 dn_comp
* - 640bbdf71c6f10ac26252ac67a22902e26657bd8 dn_expand
*/
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 34)
#define res_search __res_search
@ -189,6 +193,9 @@ __END_DECLS
#define res_nquery __res_nquery
#define res_querydomain __res_querydomain
#define res_nquerydomain __res_nquerydomain
#define dn_skipname __dn_skipname
#define dn_comp __dn_comp
#define dn_expand __dn_expand
#endif
/* end glibc compat hacks */
@ -328,4 +335,4 @@ void res_nclose (res_state) __THROW;
__END_DECLS
#endif /* !_RESOLV_H_ */
#endif /* !_RESOLV_H_ */