atmos
/
fortify-headers
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix mbsrtowcs() check

This commit is contained in:
sin 2015-03-04 18:26:59 +00:00
parent 7392bcaef8
commit 4ddbe16d88
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/wchar.h
View File

@ -41,10 +41,13 @@ __fortify_mbsrtowcs(wchar_t *d, const char **s,
size_t wn, mbstate_t *st)
{
size_t bos = __builtin_object_size(d, 0);
size_t r;
if (wn > bos / sizeof(wchar_t))
bos /= sizeof(wchar_t);
r = mbsrtowcs(d, s, wn > bos ? bos : wn, st);
if (bos < wn && d && *s && r != (size_t)-1)
__builtin_trap();
return mbsrtowcs(d, s, wn, st);
return r;
}
static inline __attribute__ ((always_inline))