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freebsd/contrib/nvi/regex
Alex Richardson 8ef98a8045 Allow building usr.bin/vi with MK_ASAN
We have to namespace the regex functions to avoid duplicate symbol errors.
This also ensures that vi doesn't define the libc reg* functions with
mismatched signatures.

ld: error: duplicate symbol: regcomp
>>> defined at sanitizer_common_interceptors.inc:7519 (/usr/src/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:7519)
>>>            asan_interceptors.o:(__interceptor_regcomp) in archive /usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
>>> defined at regcomp.c
>>>            .../regex/regcomp.c.o:(.text+0x0)

ld: error: duplicate symbol: regerror
>>> defined at sanitizer_common_interceptors.inc:7543 (/usr/src/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:7543)
>>>            asan_interceptors.o:(__interceptor_regerror) in archive /usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
>>> defined at regerror.c
>>>            .../regex/regerror.c.o:(.text+0x0)

ld: error: duplicate symbol: regexec
>>> defined at sanitizer_common_interceptors.inc:7530 (/usr/src/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:7530)
>>>            asan_interceptors.o:(__interceptor_regexec) in archive /usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
>>> defined at regexec.c
>>>            .../regex/regexec.c.o:(.text+0x0)

ld: error: duplicate symbol: regfree
>>> defined at sanitizer_common_interceptors.inc:7553 (/usr/src/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:7553)
>>>            asan_interceptors.o:(__interceptor_regfree) in archive /usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
>>> defined at regfree.c
>>>            .../regex/regfree.c.o:(.text+0x0)

Committed upstream as https://github.com/lichray/nvi2/pull/92

Reviewed By:	bapt
Differential Revision: https://reviews.freebsd.org/D31050
2021-07-19 15:04:19 +01:00
..
cclass.h
cname.h
COPYRIGHT
engine.c
re_format.7
regcomp.c
regerror.c
regex2.h
regex.3
regex.h Allow building usr.bin/vi with MK_ASAN 2021-07-19 15:04:19 +01:00
regexec.c
regfree.c
utils.h
WHATSNEW