src/patches/dnsmasq/009-malloc_memset_calloc_for_efficiency.patch

   1 From d6dce53e08b3a06be16d43e1bf566c6c1988e4a9 Mon Sep 17 00:00:00 2001
   2 From: Simon Kelley <simon@thekelleys.org.uk>
   3 Date: Mon, 11 Jul 2016 21:34:31 +0100
   4 Subject: [PATCH] malloc(); memset()  -> calloc() for efficiency.
   5
   6 ---
   7  src/util.c |   10 +++-------
   8  1 file changed, 3 insertions(+), 7 deletions(-)
   9
  10 diff --git a/src/util.c b/src/util.c
  11 index 82443c9..211690e 100644
  12 --- a/src/util.c
  13 +++ b/src/util.c
  14 @@ -244,13 +244,11 @@ unsigned char *do_rfc1035_name(unsigned char *p, char *sval)
  15  /* for use during startup */
  16  void *safe_malloc(size_t size)
  17  {
  18 -  void *ret = malloc(size);
  19 +  void *ret = calloc(1, size);
  20
  21    if (!ret)
  22      die(_("could not get memory"), NULL, EC_NOMEM);
  23 -  else
  24 -    memset(ret, 0, size);
  25 -
  26 +
  27    return ret;
  28  }
  29
  30 @@ -264,12 +262,10 @@ void safe_pipe(int *fd, int read_noblock)
  31
  32  void *whine_malloc(size_t size)
  33  {
  34 -  void *ret = malloc(size);
  35 +  void *ret = calloc(1, size);
  36
  37    if (!ret)
  38      my_syslog(LOG_ERR, _("failed to allocate %d bytes"), (int) size);
  39 -  else
  40 -    memset(ret, 0, size);
  41
  42    return ret;
  43  }
  44 --
  45 1.7.10.4
  46