[103645] users/cal/base-rewrite/src/macports2.0

cal at macports.org cal at macports.org
Sun Mar 3 13:37:44 PST 2013


Revision: 103645
          https://trac.macports.org/changeset/103645
Author:   cal at macports.org
Date:     2013-03-03 13:37:44 -0800 (Sun, 03 Mar 2013)
Log Message:
-----------
copy sysctl from macports1.0

Added Paths:
-----------
    users/cal/base-rewrite/src/macports2.0/sysctl.c
    users/cal/base-rewrite/src/macports2.0/sysctl.h

Copied: users/cal/base-rewrite/src/macports2.0/sysctl.c (from rev 103639, users/cal/base-rewrite/src/macports1.0/sysctl.c)
===================================================================
--- users/cal/base-rewrite/src/macports2.0/sysctl.c	                        (rev 0)
+++ users/cal/base-rewrite/src/macports2.0/sysctl.c	2013-03-03 21:37:44 UTC (rev 103645)
@@ -0,0 +1,95 @@
+/*
+ * sysctl.c
+ * $Id$
+ *
+ * Copyright (c) 2009 The MacPorts Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The MacPorts Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <tcl.h>
+
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#if HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+
+#include "sysctl.h"
+
+/*
+ * Read-only wrapper for sysctlbyname(3). Only works for values of type CTLTYPE_INT and CTLTYPE_QUAD.
+ */
+int SysctlCmd(ClientData clientData UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
+{
+#if HAVE_SYSCTLBYNAME
+    const char error_message[] = "sysctl failed: ";
+    Tcl_Obj *tcl_result;
+    int res;
+    char *name;
+    int value;
+    Tcl_WideInt long_value;
+    size_t len = sizeof(value);
+
+    if (objc != 2) {
+        Tcl_WrongNumArgs(interp, 1, objv, "name");
+        return TCL_ERROR;
+    }
+
+    name = Tcl_GetString(objv[1]);
+    res = sysctlbyname(name, &value, &len, NULL, 0);
+    if (res == -1 && errno != ENOMEM && errno != ERANGE) {
+        tcl_result = Tcl_NewStringObj(error_message, sizeof(error_message) - 1);
+        Tcl_AppendObjToObj(tcl_result, Tcl_NewStringObj(strerror(errno), -1));
+        Tcl_SetObjResult(interp, tcl_result);
+        return TCL_ERROR;
+    } else if (res == -1) {
+        len = sizeof(long_value);
+        res = sysctlbyname(name, &long_value, &len, NULL, 0);
+        if (res == -1) {
+            tcl_result = Tcl_NewStringObj(error_message, sizeof(error_message) - 1);
+            Tcl_AppendObjToObj(tcl_result, Tcl_NewStringObj(strerror(errno), -1));
+            Tcl_SetObjResult(interp, tcl_result);
+            return TCL_ERROR;
+        }
+        tcl_result = Tcl_NewWideIntObj(long_value);
+    } else {
+        tcl_result = Tcl_NewIntObj(value);
+    }
+    
+    Tcl_SetObjResult(interp, tcl_result);
+    return TCL_OK;
+#else
+    Tcl_SetObjResult(interp, Tcl_NewStringObj("sysctl not available", -1));
+    return TCL_ERROR;
+#endif
+}

Copied: users/cal/base-rewrite/src/macports2.0/sysctl.h (from rev 103639, users/cal/base-rewrite/src/macports1.0/sysctl.h)
===================================================================
--- users/cal/base-rewrite/src/macports2.0/sysctl.h	                        (rev 0)
+++ users/cal/base-rewrite/src/macports2.0/sysctl.h	2013-03-03 21:37:44 UTC (rev 103645)
@@ -0,0 +1,34 @@
+/*
+ * sysctl.h
+ * $Id$
+ *
+ * Copyright (c) 2009 The MacPorts Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The MacPorts Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Read-only wrapper for sysctlbyname(3) */
+int SysctlCmd(ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]);
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