diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libsys/getgroups.2 | 25 | ||||
| -rw-r--r-- | lib/msun/src/e_remainder.c | 4 |
2 files changed, 13 insertions, 16 deletions
diff --git a/lib/libsys/getgroups.2 b/lib/libsys/getgroups.2 index 4881a65d532e..4e94b32d4e7b 100644 --- a/lib/libsys/getgroups.2 +++ b/lib/libsys/getgroups.2 @@ -33,7 +33,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd September 17, 2025 +.Dd October 10, 2025 .Dt GETGROUPS 2 .Os .Sh NAME @@ -107,10 +107,8 @@ array. The .Fn getgroups system call conforms to -.St -p1003.1-2008 -with the additional properties that supplementary groups are reported in -strictly ascending order and the returned size coincides with the cardinal of -the set. +.St -p1003.1-2008 , +not reporting the effective group ID. .Sh HISTORY The .Fn getgroups @@ -121,8 +119,8 @@ Since .Fx 14.3 , the .Fn getgroups -system call has treated the supplementary groups as a set, reporting them in -strictly ascending order and returning the cardinal of the set. +system call has been reporting the supplementary groups in strictly ascending +order. .Pp Before .Fx 15.0 , @@ -138,15 +136,14 @@ system call gets the supplementary groups set in the array. In particular, as evoked in .Sx HISTORY , -it does not anymore retrieve the effective GID in the first slot of +it does not anymore retrieve the effective group ID in the first slot of .Fa gidset . -Programs should not make any assumption about which group is placed in the first -slot of -.Fa gidset -other than it being the supplementary group with smallest GID. +Programs that process this slot in a specific way must be modified to obtain the +effective group ID through other means, such as a call to +.Xr getegid 2 . .Pp -The effective GID is present in the supplementary groups set if and only if it -was explicitly set as a supplementary group. +The effective group ID is present in the supplementary groups set if and only if +it was explicitly set as a supplementary group. The function .Fn initgroups enforces that, while the diff --git a/lib/msun/src/e_remainder.c b/lib/msun/src/e_remainder.c index a5fb7141d01a..cc6cd320073e 100644 --- a/lib/msun/src/e_remainder.c +++ b/lib/msun/src/e_remainder.c @@ -64,8 +64,8 @@ remainder(double x, double p) if(x>=p_half) x -= p; } } - GET_HIGH_WORD(hx,x); - if ((hx&0x7fffffff)==0) hx = 0; + EXTRACT_WORDS(hx, lx, x); + if (((hx&0x7fffffff)|lx) == 0) hx = 0; SET_HIGH_WORD(x,hx^sx); return x; } |