diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setresuid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setresuid.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c index 9021452..94fc79b 100644 --- a/sysdeps/unix/sysv/linux/i386/setresuid.c +++ b/sysdeps/unix/sysv/linux/i386/setresuid.c @@ -44,7 +44,7 @@ extern int __libc_missing_32bit_uids; int __setresuid (uid_t ruid, uid_t euid, uid_t suid) { -# if __ASSUME_32BITUIDS > 0 +# if __ASSUME_32BITUIDS > 0 return INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid); # else # ifdef __NR_setresuid32 @@ -62,9 +62,9 @@ __setresuid (uid_t ruid, uid_t euid, uid_t suid) } # endif /* __NR_setresuid32 */ - if ((ruid != (uid_t) -1 && ruid != (uid_t) (__kernel_uid_t) ruid) - || (euid != (uid_t) -1 && euid != (uid_t) (__kernel_uid_t) euid) - || (suid != (uid_t) -1 && suid != (uid_t) (__kernel_uid_t) suid)) + if (((ruid + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((euid + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((suid + 1) > (uid_t) ((__kernel_uid_t) -1U))) { __set_errno (EINVAL); return -1; |