Apply Vladimir's latest cleanup patch.

 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@2288 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 35 insertions, 38 deletions

diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
index ad2be94ee..67b0490ce 100644
--- a/libbb/process_escape_sequence.c
+++ b/libbb/process_escape_sequence.c
@@ -2,9 +2,8 @@
 /*
  * Utility routines.
  *
- * Copyright (C) tons of folks.  Tracking down who wrote what
- * isn't something I'm going to worry about...  If you wrote something
- * here, please feel free to acknowledge your work.
+ * Copyright (C) Manuel Nova III <mnovoa3@bellsouth.net>
+ * and Vladimir Oleynik <vodz@usa.net> 
  *
  * 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
@@ -20,9 +19,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
- * Permission has been granted to redistribute this code under the GPL.
- *
+ * 
  */
 
 #include <stdio.h>
@@ -31,45 +28,45 @@
 
 
 
-char process_escape_sequence(char **ptr)
+char process_escape_sequence(const char **ptr)
 {
-       static const char charmap[] = {
-                   'a',  'b',  'f',  'n',  'r',  't',  'v',  '\\', 0,
-               '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
-
-       const char *p;
-           char *q;
-       int num_digits;
-       unsigned int n;
+        static const char charmap[] = {
+                'a',  'b',  'f',  'n',  'r',  't',  'v',  '\\', 0,
+                '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
 
-       n = 0;
-           q = *ptr;
+        const char *p;
+        const char *q;
+        int num_digits;
+        unsigned int n;
+        
+        n = 0;
+        q = *ptr;
 
-       for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
-               if ((*q < '0') || (*q > '7')) { /* not a digit? */
-                       break;
-               }
-               n = n * 8 + (*q++ - '0');
-       }
+        for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
+                if ((*q < '0') || (*q > '7')) { /* not a digit? */
+                        break;
+                }
+                n = n * 8 + (*q++ - '0');
+        }
 
-       if (num_digits == 0) {   /* mnemonic escape sequence? */
-                   for (p=charmap ; *p ; p++) {
-                           if (*p == *q) {
-                                   q++;
-                                   break;
-                           }
-                   }
-                   n = *(p+(sizeof(charmap)/2));
-           }
+        if (num_digits == 0) {  /* mnemonic escape sequence? */
+                for (p=charmap ; *p ; p++) {
+                        if (*p == *q) {
+                                q++;
+                                break;
+                        }
+                }
+                n = *(p+(sizeof(charmap)/2));
+        }
 
            /* doesn't hurt to fall through to here from mnemonic case */
-           if (n > UCHAR_MAX) { /* is octal code too big for a char? */
-                   n /= 8;                      /* adjust value and */
-                   --q;                         /* back up one char */
-           }
+        if (n > UCHAR_MAX) {    /* is octal code too big for a char? */
+                n /= 8;                 /* adjust value and */
+                --q;                            /* back up one char */
+        }
 
-           *ptr = q;
-           return (char) n;
+        *ptr = q;
+        return (char) n;
 }