From 7b0ec744bc8afa691873f97cfb6a3b7822376d7b Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 19 Sep 2006 22:20:09 +0000
Subject: Switch routerlist.c to using memcmp on digests rather than
 crypto_pk_cmp_keys(); speed up find_whitespace a lot (8x for me) by using a
 switch statement.  This should speed parsing a lot of routers at once by a
 lot.

svn:r8430
---
 src/common/util.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to 'src/common')

diff --git a/src/common/util.c b/src/common/util.c
index 8bd1f2aec..264bd0b74 100644
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -434,11 +434,20 @@ const char *
 find_whitespace(const char *s)
 {
   /* tor_assert(s); */
-
-  while (*s && !TOR_ISSPACE(*s) && *s != '#')
-    s++;
-
-  return s;
+  while (1) {
+    switch (*s)
+    {
+    case '\0':
+    case '#':
+    case ' ':
+    case '\r':
+    case '\n':
+    case '\t':
+      return s;
+    default:
+      ++s;
+    }
+  }
 }
 
 /** Return true iff the 'len' bytes at 'mem' are all zero. */
-- 
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