diff options
Diffstat (limited to 'wcsmbs/bits')
| -rw-r--r-- | wcsmbs/bits/wchar2.h | 167 |
1 files changed, 119 insertions, 48 deletions
diff --git a/wcsmbs/bits/wchar2.h b/wcsmbs/bits/wchar2.h index 49f19bca19..9fdff47ee2 100644 --- a/wcsmbs/bits/wchar2.h +++ b/wcsmbs/bits/wchar2.h @@ -20,17 +20,24 @@ # error "Never include <bits/wchar2.h> directly; use <wchar.h> instead." #endif -__fortify_function wchar_t * -__NTH (wmemcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2, - size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wmemcpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __s1), + const wchar_t *__restrict __s2, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __s1, sizeof (wchar_t), + "wmemcpy called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wmemcpy, __n, sizeof (wchar_t), __glibc_objsize0 (__s1), __s1, __s2, __n); } -__fortify_function wchar_t * -__NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wmemmove (__fortify_clang_overload_arg (wchar_t *, ,__s1), + const wchar_t *__s2, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __s1, sizeof (wchar_t), + "wmemmove called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wmemmove, __n, sizeof (wchar_t), __glibc_objsize0 (__s1), @@ -38,9 +45,12 @@ __NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n)) } #ifdef __USE_GNU -__fortify_function wchar_t * -__NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2, - size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wmempcpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __s1), + const wchar_t *__restrict __s2, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __s1, sizeof (wchar_t), + "wmempcpy called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wmempcpy, __n, sizeof (wchar_t), __glibc_objsize0 (__s1), @@ -48,16 +58,21 @@ __NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2, } #endif -__fortify_function wchar_t * -__NTH (wmemset (wchar_t *__s, wchar_t __c, size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wmemset (__fortify_clang_overload_arg (wchar_t *, ,__s), wchar_t __c, + size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __s, sizeof (wchar_t), + "wmemset called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wmemset, __n, sizeof (wchar_t), __glibc_objsize0 (__s), __s, __c, __n); } -__fortify_function wchar_t * -__NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcscpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src)) { size_t sz = __glibc_objsize (__dest); if (sz != (size_t) -1) @@ -65,8 +80,9 @@ __NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) return __wcscpy_alias (__dest, __src); } -__fortify_function wchar_t * -__NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcpcpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src)) { size_t sz = __glibc_objsize (__dest); if (sz != (size_t) -1) @@ -74,26 +90,33 @@ __NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) return __wcpcpy_alias (__dest, __src); } -__fortify_function wchar_t * -__NTH (wcsncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, - size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcsncpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __dest, sizeof (wchar_t), + "wcsncpy called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wcsncpy, __n, sizeof (wchar_t), __glibc_objsize (__dest), __dest, __src, __n); } -__fortify_function wchar_t * -__NTH (wcpncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, - size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcpncpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __dest, sizeof (wchar_t), + "wcpncpy called with length bigger " + "than size of destination buffer") { return __glibc_fortify_n (wcpncpy, __n, sizeof (wchar_t), __glibc_objsize (__dest), __dest, __src, __n); } -__fortify_function wchar_t * -__NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcscat (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src)) { size_t sz = __glibc_objsize (__dest); if (sz != (size_t) -1) @@ -101,9 +124,9 @@ __NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) return __wcscat_alias (__dest, __src); } -__fortify_function wchar_t * -__NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, - size_t __n)) +__fortify_function __attribute_overloadable__ wchar_t * +__NTH (wcsncat (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src, size_t __n)) { size_t sz = __glibc_objsize (__dest); if (sz != (size_t) -1) @@ -112,9 +135,12 @@ __NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, } #ifdef __USE_MISC -__fortify_function size_t -__NTH (wcslcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, - size_t __n)) +__fortify_function __attribute_overloadable__ size_t +__NTH (wcslcpy (__fortify_clang_overload_arg (wchar_t *, __restrict, __dest), + const wchar_t *__restrict __src, size_t __n)) + __fortify_clang_warning_only_if_bos0_lt2 (__n, __dest, sizeof (wchar_t), + "wcslcpy called with length bigger " + "than size of destination buffer") { if (__glibc_objsize (__dest) != (size_t) -1 && (!__builtin_constant_p (__n @@ -125,9 +151,9 @@ __NTH (wcslcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, return __wcslcpy_alias (__dest, __src, __n); } -__fortify_function size_t -__NTH (wcslcat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, - size_t __n)) +__fortify_function __attribute_overloadable__ size_t +__NTH (wcslcat (__fortify_clang_overload_arg (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) @@ -150,6 +176,23 @@ __NTH (swprintf (wchar_t *__restrict __s, size_t __n, sz / sizeof (wchar_t), __fmt, __va_arg_pack ()); return __swprintf_alias (__s, __n, __fmt, __va_arg_pack ()); } +#elif __fortify_use_clang +__fortify_function_error_function __attribute_overloadable__ int +__NTH (swprintf (__fortify_clang_overload_arg (wchar_t *, __restrict, __s), + size_t __n, const wchar_t *__restrict __fmt, ...)) +{ + __gnuc_va_list __fortify_ap; + __builtin_va_start (__fortify_ap, __fmt); + int __r; + if (__glibc_objsize (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1) + __r = __vswprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, + __glibc_objsize (__s) / sizeof (wchar_t), + __fmt, __fortify_ap); + else + __r = __vswprintf_alias (__s, __n, __fmt, __fortify_ap); + __builtin_va_end (__fortify_ap); + return __r; +} #elif !defined __cplusplus /* XXX We might want to have support in gcc for swprintf. */ # define swprintf(s, n, ...) \ @@ -207,34 +250,46 @@ vfwprintf (__FILE *__restrict __stream, } #endif -__fortify_function __wur wchar_t * -fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream) +__fortify_function __attribute_overloadable__ __wur wchar_t * +fgetws (__fortify_clang_overload_arg (wchar_t *, __restrict, __s), int __n, + __FILE *__restrict __stream) + __fortify_clang_warning_only_if_bos_lt2 (__n, __s, sizeof (wchar_t), + "fgetws called with length bigger " + "than size of destination buffer") { size_t sz = __glibc_objsize (__s); if (__glibc_safe_or_unknown_len (__n, sizeof (wchar_t), sz)) return __fgetws_alias (__s, __n, __stream); +#if !__fortify_use_clang if (__glibc_unsafe_len (__n, sizeof (wchar_t), sz)) return __fgetws_chk_warn (__s, sz / sizeof (wchar_t), __n, __stream); +#endif return __fgetws_chk (__s, sz / sizeof (wchar_t), __n, __stream); } #ifdef __USE_GNU -__fortify_function __wur wchar_t * -fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream) +__fortify_function __attribute_overloadable__ __wur wchar_t * +fgetws_unlocked (__fortify_clang_overload_arg (wchar_t *, __restrict, __s), + int __n, __FILE *__restrict __stream) + __fortify_clang_warning_only_if_bos_lt2 (__n, __s, sizeof (wchar_t), + "fgetws_unlocked called with length bigger " + "than size of destination buffer") { size_t sz = __glibc_objsize (__s); if (__glibc_safe_or_unknown_len (__n, sizeof (wchar_t), sz)) return __fgetws_unlocked_alias (__s, __n, __stream); +# if !__fortify_use_clang if (__glibc_unsafe_len (__n, sizeof (wchar_t), sz)) return __fgetws_unlocked_chk_warn (__s, sz / sizeof (wchar_t), __n, __stream); +# endif return __fgetws_unlocked_chk (__s, sz / sizeof (wchar_t), __n, __stream); } #endif -__fortify_function __wur size_t -__NTH (wcrtomb (char *__restrict __s, wchar_t __wchar, - mbstate_t *__restrict __ps)) +__fortify_function __attribute_overloadable__ __wur size_t +__NTH (wcrtomb (__fortify_clang_overload_arg (char *, __restrict, __s), + wchar_t __wchar, mbstate_t *__restrict __ps)) { /* We would have to include <limits.h> to get a definition of MB_LEN_MAX. But this would only disturb the namespace. So we define our own @@ -249,18 +304,26 @@ __NTH (wcrtomb (char *__restrict __s, wchar_t __wchar, return __wcrtomb_alias (__s, __wchar, __ps); } -__fortify_function size_t -__NTH (mbsrtowcs (wchar_t *__restrict __dst, const char **__restrict __src, +__fortify_function __attribute_overloadable__ size_t +__NTH (mbsrtowcs (__fortify_clang_overload_arg (wchar_t *, __restrict, __dst), + const char **__restrict __src, size_t __len, mbstate_t *__restrict __ps)) + __fortify_clang_warning_only_if_bos_lt2 (__len, __dst, sizeof (wchar_t), + "mbsrtowcs called with dst buffer " + "smaller than len * sizeof (wchar_t)") { return __glibc_fortify_n (mbsrtowcs, __len, sizeof (wchar_t), __glibc_objsize (__dst), __dst, __src, __len, __ps); } -__fortify_function size_t -__NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src, +__fortify_function __attribute_overloadable__ size_t +__NTH (wcsrtombs (__fortify_clang_overload_arg (char *, __restrict, __dst), + const wchar_t **__restrict __src, size_t __len, mbstate_t *__restrict __ps)) + __fortify_clang_warning_only_if_bos_lt (__len, __dst, + "wcsrtombs called with dst buffer " + "smaller than len") { return __glibc_fortify (wcsrtombs, __len, sizeof (char), __glibc_objsize (__dst), @@ -269,18 +332,26 @@ __NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src, #ifdef __USE_XOPEN2K8 -__fortify_function size_t -__NTH (mbsnrtowcs (wchar_t *__restrict __dst, const char **__restrict __src, - size_t __nmc, size_t __len, mbstate_t *__restrict __ps)) +__fortify_function __attribute_overloadable__ size_t +__NTH (mbsnrtowcs (__fortify_clang_overload_arg (wchar_t *, __restrict, __dst), + const char **__restrict __src, size_t __nmc, size_t __len, + mbstate_t *__restrict __ps)) + __fortify_clang_warning_only_if_bos_lt (sizeof (wchar_t) * __len, __dst, + "mbsnrtowcs called with dst buffer " + "smaller than len * sizeof (wchar_t)") { return __glibc_fortify_n (mbsnrtowcs, __len, sizeof (wchar_t), __glibc_objsize (__dst), __dst, __src, __nmc, __len, __ps); } -__fortify_function size_t -__NTH (wcsnrtombs (char *__restrict __dst, const wchar_t **__restrict __src, - size_t __nwc, size_t __len, mbstate_t *__restrict __ps)) +__fortify_function __attribute_overloadable__ size_t +__NTH (wcsnrtombs (__fortify_clang_overload_arg (char *, __restrict, __dst), + const wchar_t **__restrict __src, size_t __nwc, + size_t __len, mbstate_t *__restrict __ps)) + __fortify_clang_warning_only_if_bos_lt (__len, __dst, + "wcsnrtombs called with dst buffer " + "smaller than len") { return __glibc_fortify (wcsnrtombs, __len, sizeof (char), __glibc_objsize (__dst), |