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[PULL,48/52] slirp: Use DIV_ROUND_UP

Message ID 29bb5d2dbc2a33c7f7cbd3163144e1a380a75861.1465112552.git.mjt@msgid.tls.msk.ru (mailing list archive)
State New, archived
Headers show

Commit Message

Michael Tokarev June 5, 2016, 7:43 a.m. UTC 
From: Laurent Vivier <lvivier@redhat.com>

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 slirp/dnssearch.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/slirp/dnssearch.c b/slirp/dnssearch.c
index 4c70a64..8fb5633 100644
--- a/slirp/dnssearch.c
+++ b/slirp/dnssearch.c
@@ -261,7 +261,7 @@  int translate_dnssearch(Slirp *s, const char **names)
     }
 
     /* reserve extra 2 header bytes for each 255 bytes of output */
-    memreq += ((memreq + MAX_OPT_LEN - 1) / MAX_OPT_LEN) * OPT_HEADER_LEN;
+    memreq += DIV_ROUND_UP(memreq, MAX_OPT_LEN) * OPT_HEADER_LEN;
     result = g_malloc(memreq * sizeof(*result));
 
     outptr = result;
@@ -288,7 +288,7 @@  int translate_dnssearch(Slirp *s, const char **names)
     domain_mkxrefs(domains, domains + num_domains - 1, 0);
     memreq = domain_compactify(domains, num_domains);
 
-    blocks = (memreq + MAX_OPT_LEN - 1) / MAX_OPT_LEN;
+    blocks = DIV_ROUND_UP(memreq, MAX_OPT_LEN);
     bsrc_end = memreq;
     bsrc_start = (blocks - 1) * MAX_OPT_LEN;
     bdst_start = bsrc_start + blocks * OPT_HEADER_LEN;