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| author | Eric Andersen <andersen@codepoet.org> | 2004-01-21 23:27:48 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2004-01-21 23:27:48 +0000 |
| commit | 6334e558ab33ee1e54ed33740881a2798c5915c2 (patch) | |
| tree | 5d3253d5928343d2a37cc55be7a9c35244b4ab42 /libc/sysdeps/linux/common/setreuid.c | |
| parent | 9bafaa6fe7ded400aac87526ce615f1875ce2673 (diff) | |
| download | uClibc-alpine-6334e558ab33ee1e54ed33740881a2798c5915c2.tar.bz2 uClibc-alpine-6334e558ab33ee1e54ed33740881a2798c5915c2.tar.xz | |
Split up syscalls.c, since it had grown to be quite large and ugly.
-Erik
Diffstat (limited to 'libc/sysdeps/linux/common/setreuid.c')
| -rw-r--r-- | libc/sysdeps/linux/common/setreuid.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setreuid.c b/libc/sysdeps/linux/common/setreuid.c new file mode 100644 index 000000000..ad6860518 --- /dev/null +++ b/libc/sysdeps/linux/common/setreuid.c @@ -0,0 +1,25 @@ +/* vi: set sw=4 ts=4: */ +/* + * setreuid() for uClibc + * + * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org> + * + * GNU Library General Public License (LGPL) version 2 or later. + */ + +#include "syscalls.h" +#include <unistd.h> + +#define __NR___syscall_setreuid __NR_setreuid +static inline _syscall2(int, __syscall_setreuid, + __kernel_uid_t, ruid, __kernel_uid_t, euid); + +int setreuid(uid_t ruid, uid_t euid) +{ + if (((ruid + 1) > (uid_t) ((__kernel_uid_t) - 1U)) + || ((euid + 1) > (uid_t) ((__kernel_uid_t) - 1U))) { + __set_errno(EINVAL); + return -1; + } + return (__syscall_setreuid(ruid, euid)); +} |