xnu-517.12.7.tar.gz

[apple/xnu.git] / pexpert / gen / bootargs.c

diff --git a/pexpert/gen/bootargs.c b/pexpert/gen/bootargs.c
index 63a90941de725f06c3a2f37ef4f1a2d5c691bbac..a3e5e88ddf78108df173e616f63adfbefc868e51 100644 (file)
--- a/pexpert/gen/bootargs.c
+++ b/pexpert/gen/bootargs.c
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -80,7 +77,12 @@ PE_parse_boot_arg(
                                args = cp+1;
                                goto gotit;
                        }
-
+                       if ('_' == *arg_string) /* Force a string copy if the argument name begins with an underscore */
+                         {
+                           argstrcpy2 (++cp, (char *)arg_ptr, 16); /* Hack - terminate after 16 characters */
+                           arg_found = TRUE;
+                           break;
+                         }
                        switch (getval(cp, &val)) 
                        {
                                case NUM:
@@ -129,6 +131,22 @@ argstrcpy(
        return(i);
 }
 
+int
+argstrcpy2(
+       char *from, 
+       char *to,
+       unsigned maxlen)
+{
+       int i = 0;
+
+       while (!isargsep(*from) && i < maxlen) {
+               i++;
+               *to++ = *from++;
+       }
+       *to = 0;
+       return(i);
+}
+
 int
 getval(
        char *s, 
@@ -175,6 +193,12 @@ getval(
                                c -= 'a' - 10;
                        else if ((c >= 'A') && (c <= 'F'))
                                c -= 'A' - 10;
+                       else if (c == 'k' || c == 'K')
+                               { sign *= 1024; break; }
+                       else if (c == 'm' || c == 'M')
+                               { sign *= 1024 * 1024; break; }
+                       else if (c == 'g' || c == 'G')
+                               { sign *= 1024 * 1024 * 1024; break; }
                        else if (isargsep(c))
                                break;
                        else