diff options
| author | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2004-04-25 21:05:02 +0000 |
|---|---|---|
| committer | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2004-04-25 21:05:02 +0000 |
| commit | fa1ee3d7c6ed1a699c06734a736bdc52c235cca5 (patch) | |
| tree | 3aa39bf5c3705672a13d4ed9d4b595463168614f /lib | |
| parent | 3ad871c3cfac76537d0a66acb38e46fade2cfd81 (diff) | |
add/subtract ULONG_MAX + 1 on over/underflows, fixes float -> quad
conversion in libc, reported by Marcus Holland-Moritz, ok beck@
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/quad/fixunsdfdi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc/quad/fixunsdfdi.c b/lib/libc/quad/fixunsdfdi.c index 83946d7e9e4..9eb5e8f2e66 100644 --- a/lib/libc/quad/fixunsdfdi.c +++ b/lib/libc/quad/fixunsdfdi.c @@ -32,7 +32,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: fixunsdfdi.c,v 1.3 2003/06/02 20:18:36 millert Exp $"; +static char rcsid[] = "$OpenBSD: fixunsdfdi.c,v 1.4 2004/04/25 21:05:01 dhartmei Exp $"; #endif /* LIBC_SCCS and not lint */ #include "quad.h" @@ -81,11 +81,11 @@ __fixunsdfdi(x) x -= (double)t.uq; if (x < 0) { t.ul[H]--; - x += ULONG_MAX; + x += ULONG_MAX + 1; } if (x > ULONG_MAX) { t.ul[H]++; - x -= ULONG_MAX; + x -= ULONG_MAX + 1; } t.ul[L] = (u_long)x; return (t.uq); |