From f9de8bfe1a731c309b91d175b4f6f4aeb786effa Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Tue, 15 Dec 2020 23:50:09 +0530 Subject: nonstring: Enable __FORTIFY_LEVEL=3 Use __builtin_dynamic_object_size in the remaining functions that don't have compiler builtins as is the case for string functions. --- wcsmbs/bits/wchar2.h | 146 +++++++++++++++++++++++++++++---------------------- 1 file changed, 82 insertions(+), 64 deletions(-) (limited to 'wcsmbs') diff --git a/wcsmbs/bits/wchar2.h b/wcsmbs/bits/wchar2.h index 86e8e23..6631d6f 100644 --- a/wcsmbs/bits/wchar2.h +++ b/wcsmbs/bits/wchar2.h @@ -39,15 +39,15 @@ __fortify_function wchar_t * __NTH (wmemcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2, size_t __n)) { - if (__bos0 (__s1) != (size_t) -1) + if (__glibc_objsize0 (__s1) != (size_t) -1) { if (!__builtin_constant_p (__n)) return __wmemcpy_chk (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + __glibc_objsize0 (__s1) / sizeof (wchar_t)); - if (__n > __bos0 (__s1) / sizeof (wchar_t)) + if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t)) return __wmemcpy_chk_warn (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + __glibc_objsize0 (__s1) / sizeof (wchar_t)); } return __wmemcpy_alias (__s1, __s2, __n); } @@ -67,15 +67,16 @@ extern wchar_t *__REDIRECT_NTH (__wmemmove_chk_warn, __fortify_function wchar_t * __NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n)) { - if (__bos0 (__s1) != (size_t) -1) + if (__glibc_objsize0 (__s1) != (size_t) -1) { if (!__builtin_constant_p (__n)) return __wmemmove_chk (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + __glibc_objsize0 (__s1) / sizeof (wchar_t)); - if (__n > __bos0 (__s1) / sizeof (wchar_t)) + if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t)) return __wmemmove_chk_warn (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + (__glibc_objsize0 (__s1) + / sizeof (wchar_t))); } return __wmemmove_alias (__s1, __s2, __n); } @@ -100,15 +101,16 @@ __fortify_function wchar_t * __NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2, size_t __n)) { - if (__bos0 (__s1) != (size_t) -1) + if (__glibc_objsize0 (__s1) != (size_t) -1) { if (!__builtin_constant_p (__n)) return __wmempcpy_chk (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + __glibc_objsize0 (__s1) / sizeof (wchar_t)); - if (__n > __bos0 (__s1) / sizeof (wchar_t)) + if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t)) return __wmempcpy_chk_warn (__s1, __s2, __n, - __bos0 (__s1) / sizeof (wchar_t)); + (__glibc_objsize0 (__s1) + / sizeof (wchar_t))); } return __wmempcpy_alias (__s1, __s2, __n); } @@ -128,14 +130,15 @@ extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn, __fortify_function wchar_t * __NTH (wmemset (wchar_t *__s, wchar_t __c, size_t __n)) { - if (__bos0 (__s) != (size_t) -1) + if (__glibc_objsize0 (__s) != (size_t) -1) { if (!__builtin_constant_p (__n)) - return __wmemset_chk (__s, __c, __n, __bos0 (__s) / sizeof (wchar_t)); + return __wmemset_chk (__s, __c, __n, + __glibc_objsize0 (__s) / sizeof (wchar_t)); - if (__n > __bos0 (__s) / sizeof (wchar_t)) + if (__n > __glibc_objsize0 (__s) / sizeof (wchar_t)) return __wmemset_chk_warn (__s, __c, __n, - __bos0 (__s) / sizeof (wchar_t)); + __glibc_objsize0 (__s) / sizeof (wchar_t)); } return __wmemset_alias (__s, __c, __n); } @@ -151,8 +154,9 @@ extern wchar_t *__REDIRECT_NTH (__wcscpy_alias, __fortify_function wchar_t * __NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) { - if (__bos (__dest) != (size_t) -1) - return __wcscpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t)); + if (__glibc_objsize (__dest) != (size_t) -1) + return __wcscpy_chk (__dest, __src, + __glibc_objsize (__dest) / sizeof (wchar_t)); return __wcscpy_alias (__dest, __src); } @@ -167,8 +171,9 @@ extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias, __fortify_function wchar_t * __NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) { - if (__bos (__dest) != (size_t) -1) - return __wcpcpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t)); + if (__glibc_objsize (__dest) != (size_t) -1) + return __wcpcpy_chk (__dest, __src, + __glibc_objsize (__dest) / sizeof (wchar_t)); return __wcpcpy_alias (__dest, __src); } @@ -191,14 +196,15 @@ __fortify_function wchar_t * __NTH (wcsncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, size_t __n)) { - if (__bos (__dest) != (size_t) -1) + if (__glibc_objsize (__dest) != (size_t) -1) { if (!__builtin_constant_p (__n)) return __wcsncpy_chk (__dest, __src, __n, - __bos (__dest) / sizeof (wchar_t)); - if (__n > __bos (__dest) / sizeof (wchar_t)) + __glibc_objsize (__dest) / sizeof (wchar_t)); + if (__n > __glibc_objsize (__dest) / sizeof (wchar_t)) return __wcsncpy_chk_warn (__dest, __src, __n, - __bos (__dest) / sizeof (wchar_t)); + (__glibc_objsize (__dest) + / sizeof (wchar_t))); } return __wcsncpy_alias (__dest, __src, __n); } @@ -222,14 +228,15 @@ __fortify_function wchar_t * __NTH (wcpncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src, size_t __n)) { - if (__bos (__dest) != (size_t) -1) + if (__glibc_objsize (__dest) != (size_t) -1) { if (!__builtin_constant_p (__n)) return __wcpncpy_chk (__dest, __src, __n, - __bos (__dest) / sizeof (wchar_t)); - if (__n > __bos (__dest) / sizeof (wchar_t)) + __glibc_objsize (__dest) / sizeof (wchar_t)); + if (__n > __glibc_objsize (__dest) / sizeof (wchar_t)) return __wcpncpy_chk_warn (__dest, __src, __n, - __bos (__dest) / sizeof (wchar_t)); + (__glibc_objsize (__dest) + / sizeof (wchar_t))); } return __wcpncpy_alias (__dest, __src, __n); } @@ -245,8 +252,9 @@ extern wchar_t *__REDIRECT_NTH (__wcscat_alias, __fortify_function wchar_t * __NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src)) { - if (__bos (__dest) != (size_t) -1) - return __wcscat_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t)); + if (__glibc_objsize (__dest) != (size_t) -1) + return __wcscat_chk (__dest, __src, + __glibc_objsize (__dest) / sizeof (wchar_t)); return __wcscat_alias (__dest, __src); } @@ -263,9 +271,9 @@ __fortify_function wchar_t * __NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src, size_t __n)) { - if (__bos (__dest) != (size_t) -1) + if (__glibc_objsize (__dest) != (size_t) -1) return __wcsncat_chk (__dest, __src, __n, - __bos (__dest) / sizeof (wchar_t)); + __glibc_objsize (__dest) / sizeof (wchar_t)); return __wcsncat_alias (__dest, __src, __n); } @@ -285,18 +293,18 @@ __fortify_function int __NTH (swprintf (wchar_t *__restrict __s, size_t __n, const wchar_t *__restrict __fmt, ...)) { - if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1) + if (__glibc_objsize (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1) return __swprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, - __bos (__s) / sizeof (wchar_t), + __glibc_objsize (__s) / sizeof (wchar_t), __fmt, __va_arg_pack ()); return __swprintf_alias (__s, __n, __fmt, __va_arg_pack ()); } #elif !defined __cplusplus /* XXX We might want to have support in gcc for swprintf. */ # define swprintf(s, n, ...) \ - (__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1 \ + (__glibc_objsize (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1 \ ? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, \ - __bos (s) / sizeof (wchar_t), __VA_ARGS__) \ + __glibc_objsize (s) / sizeof (wchar_t), __VA_ARGS__) \ : swprintf (s, n, __VA_ARGS__)) #endif @@ -315,9 +323,10 @@ __fortify_function int __NTH (vswprintf (wchar_t *__restrict __s, size_t __n, const wchar_t *__restrict __fmt, __gnuc_va_list __ap)) { - if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1) + if (__glibc_objsize (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1) return __vswprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, - __bos (__s) / sizeof (wchar_t), __fmt, __ap); + __glibc_objsize (__s) / sizeof (wchar_t), __fmt, + __ap); return __vswprintf_alias (__s, __n, __fmt, __ap); } @@ -383,14 +392,15 @@ extern wchar_t *__REDIRECT (__fgetws_chk_warn, __fortify_function __wur wchar_t * fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream) { - if (__bos (__s) != (size_t) -1) + if (__glibc_objsize (__s) != (size_t) -1) { if (!__builtin_constant_p (__n) || __n <= 0) - return __fgetws_chk (__s, __bos (__s) / sizeof (wchar_t), + return __fgetws_chk (__s, __glibc_objsize (__s) / sizeof (wchar_t), __n, __stream); - if ((size_t) __n > __bos (__s) / sizeof (wchar_t)) - return __fgetws_chk_warn (__s, __bos (__s) / sizeof (wchar_t), + if ((size_t) __n > __glibc_objsize (__s) / sizeof (wchar_t)) + return __fgetws_chk_warn (__s, + __glibc_objsize (__s) / sizeof (wchar_t), __n, __stream); } return __fgetws_alias (__s, __n, __stream); @@ -414,14 +424,17 @@ extern wchar_t *__REDIRECT (__fgetws_unlocked_chk_warn, __fortify_function __wur wchar_t * fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream) { - if (__bos (__s) != (size_t) -1) + if (__glibc_objsize (__s) != (size_t) -1) { if (!__builtin_constant_p (__n) || __n <= 0) - return __fgetws_unlocked_chk (__s, __bos (__s) / sizeof (wchar_t), + return __fgetws_unlocked_chk (__s, + __glibc_objsize (__s) / sizeof (wchar_t), __n, __stream); - if ((size_t) __n > __bos (__s) / sizeof (wchar_t)) - return __fgetws_unlocked_chk_warn (__s, __bos (__s) / sizeof (wchar_t), + if ((size_t) __n > __glibc_objsize (__s) / sizeof (wchar_t)) + return __fgetws_unlocked_chk_warn (__s, + (__glibc_objsize (__s) + / sizeof (wchar_t)), __n, __stream); } return __fgetws_unlocked_alias (__s, __n, __stream); @@ -447,8 +460,9 @@ __NTH (wcrtomb (char *__restrict __s, wchar_t __wchar, #if defined MB_LEN_MAX && MB_LEN_MAX != __WCHAR_MB_LEN_MAX # error "Assumed value of MB_LEN_MAX wrong" #endif - if (__bos (__s) != (size_t) -1 && __WCHAR_MB_LEN_MAX > __bos (__s)) - return __wcrtomb_chk (__s, __wchar, __ps, __bos (__s)); + if (__glibc_objsize (__s) != (size_t) -1 + && __WCHAR_MB_LEN_MAX > __glibc_objsize (__s)) + return __wcrtomb_chk (__s, __wchar, __ps, __glibc_objsize (__s)); return __wcrtomb_alias (__s, __wchar, __ps); } @@ -474,15 +488,16 @@ __fortify_function size_t __NTH (mbsrtowcs (wchar_t *__restrict __dst, const char **__restrict __src, size_t __len, mbstate_t *__restrict __ps)) { - if (__bos (__dst) != (size_t) -1) + if (__glibc_objsize (__dst) != (size_t) -1) { if (!__builtin_constant_p (__len)) return __mbsrtowcs_chk (__dst, __src, __len, __ps, - __bos (__dst) / sizeof (wchar_t)); + __glibc_objsize (__dst) / sizeof (wchar_t)); - if (__len > __bos (__dst) / sizeof (wchar_t)) + if (__len > __glibc_objsize (__dst) / sizeof (wchar_t)) return __mbsrtowcs_chk_warn (__dst, __src, __len, __ps, - __bos (__dst) / sizeof (wchar_t)); + (__glibc_objsize (__dst) + / sizeof (wchar_t))); } return __mbsrtowcs_alias (__dst, __src, __len, __ps); } @@ -508,13 +523,15 @@ __fortify_function size_t __NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src, size_t __len, mbstate_t *__restrict __ps)) { - if (__bos (__dst) != (size_t) -1) + if (__glibc_objsize (__dst) != (size_t) -1) { if (!__builtin_constant_p (__len)) - return __wcsrtombs_chk (__dst, __src, __len, __ps, __bos (__dst)); + return __wcsrtombs_chk (__dst, __src, __len, __ps, + __glibc_objsize (__dst)); - if (__len > __bos (__dst)) - return __wcsrtombs_chk_warn (__dst, __src, __len, __ps, __bos (__dst)); + if (__len > __glibc_objsize (__dst)) + return __wcsrtombs_chk_warn (__dst, __src, __len, __ps, + __glibc_objsize (__dst)); } return __wcsrtombs_alias (__dst, __src, __len, __ps); } @@ -542,15 +559,16 @@ __fortify_function size_t __NTH (mbsnrtowcs (wchar_t *__restrict __dst, const char **__restrict __src, size_t __nmc, size_t __len, mbstate_t *__restrict __ps)) { - if (__bos (__dst) != (size_t) -1) + if (__glibc_objsize (__dst) != (size_t) -1) { if (!__builtin_constant_p (__len)) return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps, - __bos (__dst) / sizeof (wchar_t)); + __glibc_objsize (__dst) / sizeof (wchar_t)); - if (__len > __bos (__dst) / sizeof (wchar_t)) + if (__len > __glibc_objsize (__dst) / sizeof (wchar_t)) return __mbsnrtowcs_chk_warn (__dst, __src, __nmc, __len, __ps, - __bos (__dst) / sizeof (wchar_t)); + (__glibc_objsize (__dst) + / sizeof (wchar_t))); } return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps); } @@ -578,15 +596,15 @@ __fortify_function size_t __NTH (wcsnrtombs (char *__restrict __dst, const wchar_t **__restrict __src, size_t __nwc, size_t __len, mbstate_t *__restrict __ps)) { - if (__bos (__dst) != (size_t) -1) + if (__glibc_objsize (__dst) != (size_t) -1) { if (!__builtin_constant_p (__len)) return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps, - __bos (__dst)); + __glibc_objsize (__dst)); - if (__len > __bos (__dst)) + if (__len > __glibc_objsize (__dst)) return __wcsnrtombs_chk_warn (__dst, __src, __nwc, __len, __ps, - __bos (__dst)); + __glibc_objsize (__dst)); } return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps); } -- cgit v1.1