[hackers] [scroll] remove redundant code, replace eamalloc with eareallow || Jan Klemkow

[git]

commit 91875cfafd2591e760929b06572090be83297ab7
Author:     Jan Klemkow <j.klem...@wemelug.de>
AuthorDate: Thu Apr 16 21:07:30 2020 +0200
Commit:     Jan Klemkow <j.klem...@wemelug.de>
CommitDate: Thu Apr 16 21:07:30 2020 +0200

    remove redundant code, replace eamalloc with eareallow

diff --git a/scroll.c b/scroll.c
index a87ac88..33dda40 100644
--- a/scroll.c
+++ b/scroll.c
@@ -122,26 +122,6 @@ reset(void)
                die("tcsetattr:");
 }
 
-/* error avoiding malloc */
-void *
-eamalloc(size_t size)
-{
-       void *mem;
-
-       while ((mem = malloc(size)) == NULL) {
-               struct line *line = TAILQ_LAST(&head, tailhead);
-
-               if (line == NULL)
-                       die("malloc:");
-
-               TAILQ_REMOVE(&head, line, entries);
-               free(line->buf);
-               free(line);
-       }
-
-       return mem;
-}
-
 /* error avoiding remalloc */
 void *
 earealloc(void *ptr, size_t size)
@@ -270,11 +250,11 @@ getcursorposition(int *x, int *y)
 void
 addline(char *buf, size_t size)
 {
-       struct line *line = eamalloc(sizeof *line);
+       struct line *line = earealloc(NULL, sizeof *line);
 
        line->size = size;
        line->len = strelen(buf, size);
-       line->buf = eamalloc(size);
+       line->buf = earealloc(NULL, size);
        memcpy(line->buf, buf, size);
 
        bottom = line;