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authorUlrich Drepper <drepper@redhat.com>1997-12-04 00:12:34 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-04 00:12:34 +0000
commitcbdee2790df9dac548fb3157cfaf7aceb0f40034 (patch)
tree566a6db9f880efdd95cb05a92d37a4c7ef6b8092 /grp
parent04be94a87d0a74c022490db7f4f926253f0d69d3 (diff)
downloadglibc-cbdee2790df9dac548fb3157cfaf7aceb0f40034.tar.gz
1997-12-03 23:50 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Add shared-thread-library variable. * math/Makfile (CPPFLAGS): Add -D__LIBC_INTERNAL_MATH_INLINES. * sysdeps/i386/Makefile: Don't define ___LIBC_INTERNAL_MATH_INLINES here. * sysdeps/m68k/fpu/e_acos.c: Likewise. * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/s_lrint.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/s_remquo.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. * sysdeps/m68k/fpu/s_sincos.c: Likewise. * libc.map: Add __libc_current_sigrtmin, __libc_current_sigrtmax, __libc_allocate_rtsig, sigqueue, sigtimedwait, sigwaitinfo. * signal/Makefile (headers): Add bits/siginfo.h. (routines): Add allocrtsig, sigtimedwait, sigwaitinfo, sigqueue. (distribute): Add testrtsig.h. * signal/allocrtsig.c: New file. * signal/signal.h: Define `union sigval'. Include <bits/siginfo.h>. Declare sigwaitinfo, sigtimedwait, sigqueue, __libc_current_sigrtmin, __libc_current_sigrtmax. * sysdeps/generic/sigqueue.c: New file. * sysdeps/generic/sigtimedwait.c: New file. * sysdeps/generic/sigwaitinfo.c: New file. * sysdeps/generic/testrtsig.h: New file. * sysdeps/generic/bits/siginfo.h: New file. * sysdeps/unix/sysv/linux/bits/siginfo.h: New file. * sysdeps/unix/sysv/linux/kernel_sigaction.h: Define struct as old_kernel_sigaction and rename sa_handler member to k_sa_handler. * sysdeps/unix/sysv/linux/rt_sigaction.c: New file. * sysdeps/unix/sysv/linux/rt_sigprocmask.c: New file. * sysdeps/unix/sysv/linux/rt_sigqueueinfo.c: New file. * sysdeps/unix/sysv/linux/rt_sigreturn.c: New file. * sysdeps/unix/sysv/linux/rt_sigsuspend.c: New file. * sysdeps/unix/sysv/linux/rt_sigtimedwait.c: New file. * sysdeps/unix/sysv/linux/sigpending.c: New file. * sysdeps/unix/sysv/linux/sigprocmask.c: New file. * sysdeps/unix/sysv/linux/sigqueue.c: New file. * sysdeps/unix/sysv/linux/sigreturn.c: New file. * sysdeps/unix/sysv/linux/sigtimedwait.c: New file. * sysdeps/unix/sysv/linux/sigwaitinfo.c: New file. * sysdeps/unix/sysv/linux/testrtsig.h: New file. * sysdeps/unix/sysv/linux/sigsuspend.c: Update for AIO. * sysdeps/unix/sysv/linux/syscalls.list: Update for AIO. * sysdeps/unix/sysv/linux/sigaction.c: Update for AIO. * sysdeps/unix/sysv/linux/bits/local_lim.h: Define AIO_PRIO_DELTA_MAX. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _XOPEN_REALTIME and _POSIX_REALTIME_SIGNALS. * sysdeps/unix/sysv/linux/bits/sigaction.h: Update for AIO. * sysdeps/unix/sysv/linux/bits/signum.h: Define SIGRTMIN/MAX and update _NSIG. * sysdeps/unix/sysv/linux/i386/sigaction.c: Update for AIO. * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Linux/i386 specific definitions. * Makefile (subdirs): Add rt. * shlib-versions: Add entry for librt. * rt/Makefile: New file. * rt/aio.h: New file. * rt/aio_cancel.c: New file. * rt/aio_error.c: New file. * rt/aio_fsync.c: New file. * rt/aio_misc.c: New file. * rt/aio_misc.h: New file. * rt/aio_read.c: New file. * rt/aio_read64.c: New file. * rt/aio_return.c: New file. * rt/aio_suspend.c: New file. * rt/aio_write.c: New file. * rt/aio_write64.c: New file. * rt/lio_listio.c: New file. * rt/lio_listio64.c: New file. * sysdeps/generic/aio_sigqueue.c: New file. * sysdeps/unix/sysv/linux/aio_sigqueue.c: New file. * sysdeps/unix/sysv/linux/Dist: Add new files * sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal] (sysdep_routines): Add rt_sigsuspend, rt_sigprocmask, rt_sigtimedwait, rt_sigqueueinfo, rt_sigaction. * posix/Makefile (headers): Add bits/environments.h. * posix/confstr.c: Correctly handle _CS_XBS5_ILP32_OFFBIG_CFLAGS and _CS_LFS_CFLAGS on 64bit platforms. * posix/unistd.h: Define _XOPEN_LEGACY. Explain _XOPEN_REALTIME and _XOPEN_REALTIME_THREADS. Include bits/environments.h. * sysdeps/generic/bits/confname.h: Define _SC_* constants for compilation modules. * sysdeps/wordsize-32/bits/environments.h: New file. * sysdeps/wordsize-64/bits/environments.h: New file. * posix/getopt.c: Remove declaration of getpid and __libc_pid. * posix/getopt_init.c: Test for value 0xf00baa of uninitialized __libc_pid. * sysdeps/unix/sysv/linux/init-first.c: Initialize __libc_pid to 0xf00baa. * string/string.h: Add declaration of __strverscmp. * string/strverscmp.c: Rename function ot __strverscmp and make old name weak alias. * sysdeps/generic/dl-sysdep.c: Declare and define __libc_uid. * sysdeps/generic/enbl-secure.c: Likewise. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * sysdeps/unix/sysv/linux/bits/sigset.h: Pretty print. * sysdeps/unix/sysv/linux/sys/pci.h: New file. 1997-12-03 Ulrich Drepper <drepper@cygnus.com> * posix/sys/wait.h: Use __transparent_union__ instead of transparent_union. Reported by Roland McGrath. 1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * resolv/inet_neta.c (inet_neta): Change type of first parameter to u_int32_t. Suggested by John Lavagnino <John_Lavagnino@Brown.edu> [PR libc/366]. * resolv/inet_addr.c (inet_addr): Change return type to u_int32_t. * inet/arpa/inet.h: Change types of inet_neta and inet_addr. 1997-12-03 20:40 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * grp/initgroups.c: Increase buffer if it is too small. 1997-12-03 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/netinet/ip.h: Don't use u_int8_t for bit fields, this is no ISO C. Reported by Andreas Jaeger. 1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/i386/sys/ucontext.h (enum): Add missing commata. 1997-12-03 08:58 Philip Blundell <pb@nexus.co.uk> * sysdeps/generic/bits/utsname.h: <sys/utsname.h> defines _SYS_UTSNAME_H not _UTSNAME_H. 1997-11-28 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-profile.c (_dl_start_profile): Avoid overflow when computing s_scale. 1997-11-29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_csqrt.c: Use different formula for now. * sysdeps/libm-ieee754/s_csqrtf.c: Likewise. * sysdeps/libm-ieee754/s_csqrtl.c: Likewise. * math/libm-test.c (csqrt_test): Add testcase. 1997-12-03 15:44 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/sys/ultrasound.h: New file. * sysdeps/unix/sysv/linux/sys/Dist: Add it. * sysdeps/unix/sysv/linux/sys/Makefile [$(subdir)=misc]: Likewise. 1997-11-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/timex.h: Fix declaration. 1997-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c (acos_test): Add more tests. (asin_test): Likewise. (atan_test): Likewise. (exp_test): Likewise. (sin_test): Likewise. (sqrt_test): Likewise. (cpow_test): Likewise. (csqrt_test): Likewise. (cexp_test): Correct typo in gcc version test. 1997-12-02 17:14 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/__longjmp.S: Define _SETJMP_H before including <bits/setjmp.h>. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/arm/bits/mman.h: New file. 1997-12-02 18:07 Philip Blundell <pb@nexus.co.uk> * stdio/stdio.h: Add prototype for tmpfile64(). 1997-12-02 17:47 Philip Blundell <pb@nexus.co.uk> * stdio/stdio.h (__stdio_gen_tempname): Add extra argument to prototype to keep in step with libio version. * stdio-common/tmpfile64.c: Include <errno.h> for ENOSYS. 1997-12-02 17:41 Philip Blundell <pb@nexus.co.uk> * sysdeps/generic/Makefile: Don't try to use make_siglist if cross-compiling. 1997-12-02 01:18 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/clone.S: When cloned process returns load GOT ptr before jumping to _exit. Reported by Xavier Leroy.
Diffstat (limited to 'grp')
-rw-r--r--grp/initgroups.c76
1 files changed, 45 insertions, 31 deletions
diff --git a/grp/initgroups.c b/grp/initgroups.c
index a659f0d3ae..2ca90ab18d 100644
--- a/grp/initgroups.c
+++ b/grp/initgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989, 1991, 1993, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1991, 1993, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -17,10 +17,11 @@
Boston, MA 02111-1307, USA. */
#include <alloca.h>
-#include <unistd.h>
-#include <string.h>
+#include <errno.h>
#include <grp.h>
#include <limits.h>
+#include <string.h>
+#include <unistd.h>
#include <sys/types.h>
@@ -32,7 +33,7 @@ initgroups (user, group)
const char *user;
gid_t group;
{
-#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0
+#if defined NGROUPS_MAX && NGROUPS_MAX == 0
/* No extra groups allowed. */
return 0;
@@ -42,9 +43,10 @@ initgroups (user, group)
struct group grpbuf, *g;
size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
char *tmpbuf;
- register size_t n;
+ size_t n;
size_t ngroups;
gid_t *groups;
+ int status;
#ifdef NGROUPS_MAX
# define limit NGROUPS_MAX
@@ -67,32 +69,44 @@ initgroups (user, group)
n = 0;
groups[n++] = group;
- while (__getgrent_r (&grpbuf, tmpbuf, buflen, &g) >= 0)
- if (g->gr_gid != group)
- {
- register char **m;
-
- for (m = g->gr_mem; *m != NULL; ++m)
- if (strcmp (*m, user) == 0)
- {
- /* Matches user. Insert this group. */
- if (n == ngroups && limit <= 0)
- {
- /* Need a bigger buffer. */
- groups = memcpy (__alloca (ngroups * 2 * sizeof *groups),
- groups, ngroups * sizeof *groups);
- ngroups *= 2;
- }
-
- groups[n++] = g->gr_gid;
-
- if (n == limit)
- /* Can't take any more groups; stop searching. */
- goto done;
-
- break;
- }
- }
+ do
+ {
+ while ((status = __getgrent_r (&grpbuf, tmpbuf, buflen, &g)) != 0
+ && errno == ERANGE)
+ {
+ buflen *= 2;
+ tmpbuf = __alloca (buflen);
+ }
+
+ if (status == 0 && g->gr_gid != group)
+ {
+ char **m;
+
+ for (m = g->gr_mem; *m != NULL; ++m)
+ if (strcmp (*m, user) == 0)
+ {
+ /* Matches user. Insert this group. */
+ if (n == ngroups && limit <= 0)
+ {
+ /* Need a bigger buffer. */
+ gid_t *newgrp;
+ newgrp = __alloca (ngroups * 2 * sizeof *groups);
+ groups = memcpy (newgrp, groups, ngroups * sizeof *groups);
+ ngroups *= 2;
+ }
+
+ groups[n++] = g->gr_gid;
+
+ if (n == limit)
+ /* Can't take any more groups; stop searching. */
+ goto done;
+
+ break;
+ }
+ }
+ }
+ while (status == 0);
+
done:
endgrent ();