diff options
Diffstat (limited to 'src/stdio/vfprintf.c')
| -rw-r--r-- | src/stdio/vfprintf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c index 1e7e6a47..a2b287bd 100644 --- a/src/stdio/vfprintf.c +++ b/src/stdio/vfprintf.c @@ -198,6 +198,13 @@ static char *fmt_u(uintmax_t x, char *s) return s; } +/* Do not override this check. The floating point printing code below + * depends on the float.h constants being right. If they are wrong, it + * may overflow the stack. */ +#if LDBL_MANT_DIG == 53 +typedef char compiler_defines_long_double_incorrectly[9-(int)sizeof(long double)]; +#endif + static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t) { uint32_t big[(LDBL_MAX_EXP+LDBL_MANT_DIG)/9+1]; |