diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setfsgid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setfsgid.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setfsgid.c b/sysdeps/unix/sysv/linux/i386/setfsgid.c index 434b19377b..6fd7e46489 100644 --- a/sysdeps/unix/sysv/linux/i386/setfsgid.c +++ b/sysdeps/unix/sysv/linux/i386/setfsgid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2000 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 @@ -22,15 +22,43 @@ #include <sysdep.h> #include <sys/syscall.h> - #include <linux/posix_types.h> +#include "kernel-features.h" + #ifdef __NR_setfsgid + extern int __syscall_setfsgid (__kernel_gid_t); +# ifdef __NR_setfsgid32 +extern int __syscall_setfsgid32 (__kernel_gid32_t); +# if __ASSUME_32BITUIDS == 0 +/* This variable is shared with all files that need to check for 32bit + uids. */ +extern int __libc_missing_32bit_uids; +# endif +# endif /* __NR_setfsgid32 */ + int setfsgid (gid_t gid) { +# if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (setfsgid32, 1, gid); +# else +# ifdef __NR_setfsgid32 + if (!__libc_missing_32bit_uids) + { + int result; + int saved_errno = errno; + + result = INLINE_SYSCALL (setfsgid32, 1, gid); + if (result == 0 || errno != ENOSYS) + return result; + + __set_errno (saved_errno); + __libc_missing_32bit_uids = 1; + } +# endif /* __NR_setfsgid32 */ if (gid != (gid_t) ((__kernel_gid_t) gid)) { __set_errno (EINVAL); @@ -38,5 +66,6 @@ setfsgid (gid_t gid) } return INLINE_SYSCALL (setfsgid, 1, gid); +# endif } #endif |