[hackers] [sbase] Don't free the line buffer for each file || sin

[git]

commit 0d7822f8662747f2bb8a659469e39d545c388583
Author: sin <s...@2f30.org>
Date:   Tue Dec 16 19:46:59 2014 +0000

    Don't free the line buffer for each file
    
    There's no point free-ing memory when the kernel can do it for us.
    Just reuse the already allocated memory to hold lines.
    
    Thanks Truls Becken for pointing this out.

diff --git a/cut.c b/cut.c
index 0206e47..aca0083 100644
--- a/cut.c
+++ b/cut.c
@@ -74,18 +74,6 @@ parselist(char *str)
        }
 }
 
-static void
-freelist(void) {
-       Range *l = list, *next;
-
-       while (l) {
-               next = l->next;
-               free(l);
-               l->next = NULL;
-               l = next;
-       }
-}
-
 static size_t
 seek(const char *s, size_t pos, size_t *prev, size_t count)
 {
@@ -116,8 +104,10 @@ seek(const char *s, size_t pos, size_t *prev, size_t count)
 static void
 cut(FILE *fp)
 {
-       char *buf = NULL, *s;
-       size_t size = 0, i, n, p;
+       static char *buf = NULL;
+       static size_t size = 0;
+       char *s;
+       size_t i, n, p;
        ssize_t len;
        Range *r;
 
@@ -143,7 +133,6 @@ cut(FILE *fp)
                }
                putchar('\n');
        }
-       free(buf);
 }
 
 int
@@ -190,6 +179,5 @@ main(int argc, char *argv[])
                                fclose(fp);
                }
        }
-       freelist();
        return 0;
 }