[hackers] [sbase] sort: remove 'rest' variable || Jakob Kramer

[git]

commit 56e1616486154d0d15fe04567a16328b2a94d51a
Author: Jakob Kramer <jakob.kra...@gmx.de>
Date:   Sat May 3 18:44:10 2014 +0200

    sort: remove 'rest' variable

diff --git a/sort.c b/sort.c
index be1f699..deab422 100644
--- a/sort.c
+++ b/sort.c
@@ -211,26 +211,23 @@ skip_columns(char *s, size_t n)
 static char *
 columns(char *line, const struct keydef *kd)
 {
-       char *rest;
        char *start, *end;
        char *res;
        unsigned int i;
 
-       rest = skip_columns(line, kd->start_column);
-       for(i = 1; i < kd->start_char && *rest && !isblank(*rest); i++)
-               rest++;
-       start = rest;
+       start = skip_columns(line, kd->start_column);
+       for(i = 1; i < kd->start_char && *start && !isblank(*start); i++)
+               start++;
 
        if(kd->end_column) {
-               rest = skip_columns(line, kd->end_column);
+               end = skip_columns(line, kd->end_column);
                if(kd->end_char)
-                       for(i = 1; i < kd->end_char && *rest && 
!isblank(*rest); i++)
-                               rest++;
+                       for(i = 1; i < kd->end_char && *end && !isblank(*end); 
i++)
+                               end++;
                else
-                       rest = next_blank(rest);
-               end = rest - 1;
+                       end = next_blank(end);
        } else {
-               end = rest + strlen(rest);
+               end = line + strlen(line);
        }
 
        if((res = strndup(start, end - start)) == NULL)