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| author | Florian Weimer <fweimer@redhat.com> | 2023-06-14 18:10:24 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2023-06-14 18:10:24 +0200 |
| commit | b54e5d1c9257cf1f55f46613aa438bce8fe73d10 (patch) | |
| tree | 9eb9c7488dee38d204f98a88e154d7bd959490a6 /wcsmbs/bits | |
| parent | 454a20c8756c9c1d55419153255fc7692b3d2199 (diff) | |
| download | glibc-b54e5d1c9257cf1f55f46613aa438bce8fe73d10.zip glibc-b54e5d1c9257cf1f55f46613aa438bce8fe73d10.tar.gz glibc-b54e5d1c9257cf1f55f46613aa438bce8fe73d10.tar.bz2 | |
Add the wcslcpy, wcslcat functions
These functions are about to be added to POSIX, under Austin Group
issue 986.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'wcsmbs/bits')
| -rw-r--r-- | wcsmbs/bits/wchar2.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/wcsmbs/bits/wchar2.h b/wcsmbs/bits/wchar2.h index 8b41e6f..9def8e9 100644 --- a/wcsmbs/bits/wchar2.h +++ b/wcsmbs/bits/wchar2.h @@ -199,6 +199,45 @@ __NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, return __wcsncat_alias (__dest, __src, __n); } +#ifdef __USE_MISC +extern size_t __wcslcpy_chk (wchar_t *__dest, const wchar_t *__src, size_t __n, + size_t __destlen) __THROW; +extern size_t __REDIRECT_NTH (__wcslcpy_alias, + (wchar_t *__dest, const wchar_t *__src, + size_t __n), wcslcpy); + +__fortify_function size_t +__NTH (wcslcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, + size_t __n)) +{ + if (__glibc_objsize (__dest) != (size_t) -1 + && (!__builtin_constant_p (__n + > __glibc_objsize (__dest) / sizeof (wchar_t)) + || __n > __glibc_objsize (__dest) / sizeof (wchar_t))) + return __wcslcpy_chk (__dest, __src, __n, + __glibc_objsize (__dest) / sizeof (wchar_t)); + return __wcslcpy_alias (__dest, __src, __n); +} + +extern size_t __wcslcat_chk (wchar_t *__dest, const wchar_t *__src, size_t __n, + size_t __destlen) __THROW; +extern size_t __REDIRECT_NTH (__wcslcat_alias, + (wchar_t *__dest, const wchar_t *__src, + size_t __n), wcslcat); + +__fortify_function size_t +__NTH (wcslcat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, + size_t __n)) +{ + if (__glibc_objsize (__dest) != (size_t) -1 + && (!__builtin_constant_p (__n > __glibc_objsize (__dest) + / sizeof (wchar_t)) + || __n > __glibc_objsize (__dest) / sizeof (wchar_t))) + return __wcslcat_chk (__dest, __src, __n, + __glibc_objsize (__dest) / sizeof (wchar_t)); + return __wcslcat_alias (__dest, __src, __n); +} +#endif /* __USE_MISC */ extern int __REDIRECT_NTH_LDBL (__swprintf_alias, |