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Add mbsnrtowcs() and mbsrtowcs() checks

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sin 2015-03-03 20:30:47 +00:00
parent f0efb87f8f
commit d548f4a37d
1 changed files with 28 additions and 0 deletions
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28
include/wchar.h
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@ -16,6 +16,30 @@ __fortify_fgetws(wchar_t *s, int n, FILE *fp)
return fgetws(s, n, fp);
}
static inline __attribute__ ((always_inline))
size_t
__fortify_mbsnrtowcs(wchar_t *d, const char **s, size_t n,
size_t wn, mbstate_t *st)
{
size_t bos = __builtin_object_size(d, 0);
if (wn > bos / sizeof(wchar_t))
__builtin_trap();
return mbsnrtowcs(d, s, n, wn, st);
}
static inline __attribute__ ((always_inline))
size_t
__fortify_mbsrtowcs(wchar_t *d, const char **s,
size_t wn, mbstate_t *st)
{
size_t bos = __builtin_object_size(d, 0);
if (wn > bos / sizeof(wchar_t))
__builtin_trap();
return mbsrtowcs(d, s, wn, st);
}
static inline __attribute__ ((always_inline))
wchar_t *
__fortify_wmemcpy(wchar_t *d, const wchar_t *s, size_t n)
@ -51,6 +75,10 @@ __fortify_wmemset(wchar_t *s, wchar_t c, size_t n)
#undef fgetws
#define fgetws(s, n, fp) __fortify_fgetws(s, n, fp)
#undef mbsnrtowcs
#define mbsnrtowcs(d, s, n, wn, st) __fortify_mbsnrtowcs(d, s, n, wn, st)
#undef mbsrtowcs
#define mbsrtowcs(d, s, wn, st) __fortify_mbsrtowcs(d, s, wn, st)
#undef wmemcpy
#define wmemcpy(d, s, n) __fortify_wmemcpy(d, s, n)
#undef wmemmove