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resolv: Move dn_expand to its own file and into libc

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And reformat to GNU style.

This switches back to the dn_expand name for the ABI symbol and turns
__dn_expand into a compatibility symbol.  With the improved namespace
management in current glibc, it is no longer necessary to use a
private namespace symbol.  To avoid old code binding to a
GLIBC_PRIVATE symbol by accident, use __libc_dn_expand for the
internal symbol name.

The symbols dn_expand, __dnexpand were moved using
scripts/move-symbol-to-libc.py, followed by an adjustment to make
dn_expand the only GLIBC_2.34 symbol.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer
2021-07-19 07:55:27 +02:00
parent 13e1f86706
commit 640bbdf71c
76 changed files with 219 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
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@@ -402,6 +402,7 @@ GLIBC_2.0 dlclose F
GLIBC_2.0 dlerror F
GLIBC_2.0 dlopen F
GLIBC_2.0 dlsym F
GLIBC_2.0 dn_expand F
GLIBC_2.0 dprintf F
GLIBC_2.0 drand48 F
GLIBC_2.0 drand48_r F
@@ -1905,6 +1906,7 @@ GLIBC_2.2 __ctype32_tolower D 0x4
GLIBC_2.2 __ctype32_toupper D 0x4
GLIBC_2.2 __cyg_profile_func_enter F
GLIBC_2.2 __cyg_profile_func_exit F
GLIBC_2.2 __dn_expand F
GLIBC_2.2 __endmntent F
GLIBC_2.2 __fbufsize F
GLIBC_2.2 __flbf F
@@ -2549,6 +2551,7 @@ GLIBC_2.34 dlmopen F
GLIBC_2.34 dlopen F
GLIBC_2.34 dlsym F
GLIBC_2.34 dlvsym F
GLIBC_2.34 dn_expand F
GLIBC_2.34 execveat F
GLIBC_2.34 forkpty F
GLIBC_2.34 gai_cancel F

2
sysdeps/unix/sysv/linux/sparc/sparc32/libresolv.abilist
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@@ -43,7 +43,6 @@ GLIBC_2.0 _getlong F
GLIBC_2.0 _getshort F
GLIBC_2.0 _res_opcodes D 0x40
GLIBC_2.0 _sethtent F
GLIBC_2.0 dn_expand F
GLIBC_2.0 inet_net_ntop F
GLIBC_2.0 inet_net_pton F
GLIBC_2.0 inet_neta F
@@ -56,7 +55,6 @@ GLIBC_2.0 res_querydomain F
GLIBC_2.0 res_search F
GLIBC_2.0 res_send_setqhook F
GLIBC_2.0 res_send_setrhook F
GLIBC_2.2 __dn_expand F
GLIBC_2.2 __res_hostalias F
GLIBC_2.2 __res_mkquery F
GLIBC_2.2 __res_nmkquery F

3
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
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@@ -7,6 +7,7 @@ GLIBC_2.0 dlclose F
GLIBC_2.0 dlerror F
GLIBC_2.0 dlopen F
GLIBC_2.0 dlsym F
GLIBC_2.0 dn_expand F
GLIBC_2.0 forkpty F
GLIBC_2.0 login F
GLIBC_2.0 login_tty F
@@ -317,6 +318,7 @@ GLIBC_2.2 __default_morecore F
GLIBC_2.2 __deregister_frame F
GLIBC_2.2 __deregister_frame_info F
GLIBC_2.2 __dgettext F
GLIBC_2.2 __dn_expand F
GLIBC_2.2 __dup2 F
GLIBC_2.2 __duplocale F
GLIBC_2.2 __endmntent F
@@ -2384,6 +2386,7 @@ GLIBC_2.34 dlmopen F
GLIBC_2.34 dlopen F
GLIBC_2.34 dlsym F
GLIBC_2.34 dlvsym F
GLIBC_2.34 dn_expand F
GLIBC_2.34 execveat F
GLIBC_2.34 forkpty F
GLIBC_2.34 gai_cancel F

2
sysdeps/unix/sysv/linux/sparc/sparc64/libresolv.abilist
View File

@@ -43,7 +43,6 @@ GLIBC_2.0 _getlong F
GLIBC_2.0 _getshort F
GLIBC_2.0 _res_opcodes D 0x80
GLIBC_2.0 _sethtent F
GLIBC_2.0 dn_expand F
GLIBC_2.0 inet_net_ntop F
GLIBC_2.0 inet_net_pton F
GLIBC_2.0 inet_neta F
@@ -56,7 +55,6 @@ GLIBC_2.0 res_querydomain F
GLIBC_2.0 res_search F
GLIBC_2.0 res_send_setqhook F
GLIBC_2.0 res_send_setrhook F
GLIBC_2.2 __dn_expand F
GLIBC_2.2 __res_hostalias F
GLIBC_2.2 __res_mkquery F
GLIBC_2.2 __res_nmkquery F