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Do not use wildcard symbol names for public versions in Versions files.

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As noted in
<https://sourceware.org/ml/libc-alpha/2012-12/msg00240.html>,
stdlib/Versions and wcsmbs/Versions list some functions as
__strto*_internal and __wcsto*_internal rather than explicitly listing
the symbols to be exported (so any new internal function matching one
of those patterns would be wrongly added to version GLIBC_2.0), which
seems like a bad idea.  This patch changes those files to list the
exported symbols explicitly.  There are still entries in
sysdeps/nacl/Versions for __nacl_irt_*, but as GLIBC_PRIVATE symbols
that seems less significant.

Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by the patch.

	* stdlib/Versions (__strtod_internal): List explicitly, not as
	wildcard.
	(__strtof_internal): Likewise.
	(__strtold_internal): Likewise.
	(__strtol_internal): Likewise.
	(__strtoll_internal): Likewise.
	(__strtoul_internal): Likewise.
	(__strtoull_internal): Likewise.
	(__strtoq_internal): Likewise.
	(__strtouq_internal): Likewise.
	* wcsmbs/Versions (__wcstod_internal): Likewise.
	(__wcstof_internal): Likewise.
	(__wcstold_internal): Likewise.
	(__wcstol_internal): Likewise.
	(__wcstoll_internal): Likewise.
	(__wcstoul_internal): Likewise.
	(__wcstoull_internal): Likewise.
This commit is contained in:
Joseph Myers 2017-04-20 20:35:21 +00:00
parent d76d370355
commit 832d8bc00b
3 changed files with 29 additions and 2 deletions
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20
ChangeLog
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@ -1,3 +1,23 @@
2017-04-20 Joseph Myers <joseph@codesourcery.com>
* stdlib/Versions (__strtod_internal): List explicitly, not as
wildcard.
(__strtof_internal): Likewise.
(__strtold_internal): Likewise.
(__strtol_internal): Likewise.
(__strtoll_internal): Likewise.
(__strtoul_internal): Likewise.
(__strtoull_internal): Likewise.
(__strtoq_internal): Likewise.
(__strtouq_internal): Likewise.
* wcsmbs/Versions (__wcstod_internal): Likewise.
(__wcstof_internal): Likewise.
(__wcstold_internal): Likewise.
(__wcstol_internal): Likewise.
(__wcstoll_internal): Likewise.
(__wcstoul_internal): Likewise.
(__wcstoull_internal): Likewise.
2017-04-20 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* io/sys/stat.h: Use __USE_XOPEN2K8 insteaf of __USE_ATFILE for

6
stdlib/Versions
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@ -4,7 +4,11 @@ libc {
__xpg_basename;
# functions used in inline functions or macros
__strto*_internal;
__strtod_internal; __strtof_internal; __strtold_internal;
__strtol_internal; __strtoll_internal;
__strtoul_internal; __strtoull_internal;
# functions formerly so used (compatibility symbols)
__strtoq_internal; __strtouq_internal;
# compatibility symbol
__secure_getenv;

5
wcsmbs/Versions
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@ -1,7 +1,10 @@
libc {
GLIBC_2.0 {
# functions used in inline functions or macros
__mbrlen; __mbrtowc; __wcsto*_internal;
__mbrlen; __mbrtowc;
__wcstod_internal; __wcstof_internal; __wcstold_internal;
__wcstol_internal; __wcstoll_internal;
__wcstoul_internal; __wcstoull_internal;
# b*
btowc;