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| author | Ulrich Drepper <drepper@redhat.com> | 1999-05-26 23:37:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-05-26 23:37:38 +0000 |
| commit | 958f238f3619373d3dbc106d3cda3c467b3419b1 (patch) | |
| tree | 9d15d47658aeaae08ee7e5e5e9d4a63d034caa49 /sysdeps/unix/sysv/linux/seteuid.c | |
| parent | 475e390e80a950a8746dc0b88341742dc99014e4 (diff) | |
| download | glibc-958f238f3619373d3dbc106d3cda3c467b3419b1.zip glibc-958f238f3619373d3dbc106d3cda3c467b3419b1.tar.gz glibc-958f238f3619373d3dbc106d3cda3c467b3419b1.tar.bz2 | |
Update.
1999-05-26 Ulrich Drepper <drepper@cygnus.com>
* config.h.in: Add __LINUX_KERNEL_VERSION.
* configure.in: Recognize --enable-kernel.
* sysdeps/unix/sysv/linux/configure.in: Check for correct kernel
headers if --enable-kernel is given and set __LINUX_KERNEL_VERSION
appropriately.
* sysdeps/unix/sysv/linux/init-first.c: If minimal kernel version is
given perform runtime test.
* sysdeps/unix/sysv/linux/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/getcwd.c: Elide compatibility code if
minimal supported kernel is known to have the feature.
* sysdeps/unix/sysv/linux/poll.c: Likewise.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/seteuid.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/testrtsig.h: Likewise.
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pread.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/sysctl.c: Add __sysctl alias.
Diffstat (limited to 'sysdeps/unix/sysv/linux/seteuid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/seteuid.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/seteuid.c b/sysdeps/unix/sysv/linux/seteuid.c index 20840db..15687e3 100644 --- a/sysdeps/unix/sysv/linux/seteuid.c +++ b/sysdeps/unix/sysv/linux/seteuid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999 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 @@ -21,7 +21,9 @@ #include <sys/types.h> #include <unistd.h> -#ifdef __NR_setresuid +#include "kernel-features.h" + +#if defined __NR_setresuid || __ASSUME_SETRESUID_SYSCALL > 0 extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid); @@ -38,11 +40,13 @@ seteuid (uid_t uid) /* First try the syscall. */ result = __setresuid (-1, uid, -1); +# if __ASSUME_SETRESUID_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use emulation. This may not work since `setreuid' also sets the saved user ID when UID is not equal to the real user ID, making it impossible to switch back. */ result = __setreuid (-1, uid); +# endif return result; } |