diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/getresgid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/getresgid.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/getresgid.c b/sysdeps/unix/sysv/linux/getresgid.c index 475592e..ce7d7aa 100644 --- a/sysdeps/unix/sysv/linux/getresgid.c +++ b/sysdeps/unix/sysv/linux/getresgid.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 @@ -24,16 +24,47 @@ #include <sysdep.h> #include <sys/syscall.h> +#include "kernel-features.h" + #ifdef __NR_getresgid extern int __syscall_getresgid (__kernel_gid_t *rgid, __kernel_gid_t *egid, __kernel_gid_t *sgid); +# ifdef __NR_getresgid32 +extern int __syscall_getresgid32 (__kernel_gid32_t *rgid, __kernel_gid32_t *egid, + __kernel_gid32_t *sgid); + +# 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_getresgid32 */ + + int getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid) { +# if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (getresgid32, 3, rgid, egid, sgid); +# else __kernel_gid_t k_rgid, k_egid, k_sgid; int result; +# ifdef __NR_getresgid32 + if (!__libc_missing_32bit_uids) + { + int r; + int saved_errno = errno; + + r = INLINE_SYSCALL (getresgid32, 3, rgid, egid, sgid); + if (r == 0 || errno != ENOSYS) + return r; + + __set_errno (saved_errno); + __libc_missing_32bit_uids = 1; + } +# endif /* __NR_getresgid32 */ result = INLINE_SYSCALL (getresgid, 3, &k_rgid, &k_egid, &k_sgid); @@ -45,6 +76,7 @@ getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid) } return result; +# endif } #else # include <sysdeps/generic/getresgid.c> |