1 files changed, 164 insertions, 0 deletions
diff --git a/sbin/pdisk/util.c b/sbin/pdisk/util.c
new file mode 100644
index 00000000000..725c4cc7ba5
--- /dev/null
+++ b/sbin/pdisk/util.c
@@ -0,0 +1,164 @@
+/*
+ * util.c -
+ *
+ * Written by Eryk Vershen (eryk@apple.com)
+ */
+
+/*
+ * Copyright 1997,1998 by Apple Computer, Inc.
+ *              All Rights Reserved 
+ *  
+ * Permission to use, copy, modify, and distribute this software and 
+ * its documentation for any purpose and without fee is hereby granted, 
+ * provided that the above copyright notice appears in all copies and 
+ * that both the copyright notice and this permission notice appear in 
+ * supporting documentation. 
+ *  
+ * APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+ * FOR A PARTICULAR PURPOSE. 
+ *  
+ * IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 
+ * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
+ */
+
+
+// for sprintf()
+#include <stdio.h>
+// for tolower()
+#include <ctype.h>
+
+#include "version.h"
+#include "util.h"
+
+
+/*
+ * Defines
+ */
+#define NumToolboxTraps() (                             \
+	(NGetTrapAddress(_InitGraf, ToolTrap)           \
+		== NGetTrapAddress(0xAA6E, ToolTrap))   \
+	    ? 0x200 : 0x400                             \
+    )
+#define GetTrapType(theTrap) (                          \
+	(((theTrap) & 0x800) != 0) ? ToolTrap : OSTrap  \
+    )
+
+
+/*
+ * Types
+ */
+
+
+/*
+ * Global Constants
+ */
+
+
+/*
+ * Global Variables
+ */
+static char dynamic_version[10];
+
+/*
+ * Forward declarations
+ */
+
+
+/*
+ * Routines
+ */
+void
+clear_memory(void *dataPtr, unsigned long size)
+{
+    char           *ptr;
+
+    ptr = (char *) dataPtr;
+    while (size > 0) {
+	*ptr++ = 0;
+	--size;
+    }
+}
+
+
+#if !defined(__linux__) && !defined(__unix__)
+/* (see Inside Mac VI 3-8) */
+int
+TrapAvailable(short theTrap)
+{
+	TrapType                trapType;
+	
+	trapType = GetTrapType(theTrap);
+	
+	if (trapType == ToolTrap) {
+	    theTrap &= 0x07FF;
+	    if (theTrap >= NumToolboxTraps())
+		theTrap = _Unimplemented;
+	}
+	
+	return (
+	    NGetTrapAddress(theTrap, trapType)
+	    != NGetTrapAddress(_Unimplemented, ToolTrap)
+	);
+}
+#endif
+
+
+/* Ascii case-insensitive string comparison */
+int
+istrncmp(const char *x, const char *y, long len)
+{
+    unsigned char *p = (unsigned char *)x;
+    unsigned char *q = (unsigned char *)y;
+
+    while (len > 0) {
+	if (tolower(*p) != tolower(*q)) {
+	    return (*p - *q);
+	} else if (*p == 0) {
+	    break;
+	}
+	p++;
+	q++;
+	len--;
+    }
+    return (0);
+}
+
+
+const char *
+get_version_string(void)
+{
+    int stage;
+    /* "copy" of stuff from SysTypes.r, since we can't include that*/
+    enum {development = 0x20, alpha = 0x40, beta = 0x60, final = 0x80, /* or */ release = 0x80};
+    
+    switch (kVersionStage) {
+    case development:	stage = 'd'; break;
+    case alpha:		stage = 'a'; break;
+    case beta:		stage = 'b'; break;
+    case final:		stage = 'f'; break;
+    default:		stage = '?'; break;
+    }
+    
+    if (kVersionBugFix != 0) {
+	if (kVersionStage == final) {
+	    sprintf(dynamic_version, "%d.%d.%d",
+		    kVersionMajor, kVersionMinor, kVersionBugFix);
+	} else {
+	    sprintf(dynamic_version, "%d.%d.%d%c%d",
+		    kVersionMajor, kVersionMinor, kVersionBugFix, stage, kVersionDelta);
+	}
+    } else {
+	if (kVersionStage == final) {
+	    sprintf(dynamic_version, "%d.%d",
+		    kVersionMajor, kVersionMinor);
+	} else {
+	    sprintf(dynamic_version, "%d.%d%c%d",
+		    kVersionMajor, kVersionMinor, stage, kVersionDelta);
+	}
+    }
+    return dynamic_version;
+}