1 files changed, 118 insertions, 0 deletions

diff --git a/busybox/coreutils/uname.c b/busybox/coreutils/uname.c
new file mode 100644
index 000000000..a3e52e39f
--- /dev/null
+++ b/busybox/coreutils/uname.c
@@ -0,0 +1,118 @@
+/* vi: set sw=4 ts=4: */
+/* uname -- print system information
+   Copyright (C) 1989-1999 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/uname.html */
+
+/* Option               Example
+
+   -s, --sysname        SunOS
+   -n, --nodename       rocky8
+   -r, --release        4.0
+   -v, --version
+   -m, --machine        sun
+   -a, --all            SunOS rocky8 4.0  sun
+
+   The default behavior is equivalent to `-s'.
+
+   David MacKenzie <djm@gnu.ai.mit.edu> */
+
+/* Busyboxed by Erik Andersen */
+
+/* Further size reductions by Glenn McGrath and Manuel Novoa III. */
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
+ *
+ * Now does proper error checking on i/o.  Plus some further space savings.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include "busybox.h"
+
+typedef struct {
+        struct utsname name;
+        char processor[8];                      /* for "unknown" */
+} uname_info_t;
+
+static const char options[] = "snrvmpa";
+static const unsigned short int utsname_offset[] = {
+        offsetof(uname_info_t,name.sysname),
+        offsetof(uname_info_t,name.nodename),
+        offsetof(uname_info_t,name.release),
+        offsetof(uname_info_t,name.version),
+        offsetof(uname_info_t,name.machine),
+        offsetof(uname_info_t,processor)
+};
+
+int uname_main(int argc, char **argv)
+{
+        uname_info_t uname_info;
+#if defined(__sparc__) && defined(__linux__)
+        char *fake_sparc = getenv("FAKE_SPARC");
+#endif
+        const unsigned short int *delta;
+        char toprint;
+
+        toprint = bb_getopt_ulflags(argc, argv, options);
+
+        if (argc != optind) {
+                bb_show_usage();
+        }
+
+        if (toprint & (1 << 6)) {
+                toprint = 0x3f;
+        }
+
+        if (toprint == 0) {
+                toprint = 1;                    /* sysname */
+        }
+
+        if (uname(&uname_info.name) == -1) {
+                bb_error_msg_and_die("cannot get system name");
+        }
+
+#if defined(__sparc__) && defined(__linux__)
+        if ((fake_sparc != NULL)
+                && ((fake_sparc[0] == 'y')
+                        || (fake_sparc[0] == 'Y'))) {
+                strcpy(uname_info.name.machine, "sparc");
+        }
+#endif
+
+        strcpy(uname_info.processor, "unknown");
+
+        delta=utsname_offset;
+        do {
+                if (toprint & 1) {
+                        bb_printf(((char *)(&uname_info)) + *delta);
+                        if (toprint > 1) {
+                                putchar(' ');
+                        }
+                }
+                ++delta;
+        } while (toprint >>= 1);
+        putchar('\n');
+
+        bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+}