From c4782007667a29b1a02f13108f9ec0017aa3cbc7 Mon Sep 17 00:00:00 2001
From: Dan Fandrich <dan@coneharvesters.com>
Date: Tue, 25 Sep 2007 06:43:58 +0000
Subject: Use a native strcasestr() if found.

---
 configure.ac   | 1 +
 lib/strequal.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index d93fc49cc..0a40e5595 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1900,6 +1900,7 @@ AC_CHECK_FUNCS( strtoll \
                 select \
                 strdup \
                 strstr \
+                strcasestr \
                 strtok_r \
                 uname \
                 strcasecmp \
diff --git a/lib/strequal.c b/lib/strequal.c
index cb8767002..adf84403d 100644
--- a/lib/strequal.c
+++ b/lib/strequal.c
@@ -90,6 +90,9 @@ int curl_strnequal(const char *first, const char *second, size_t max)
  */
 char *Curl_strcasestr(const char *haystack, const char *needle)
 {
+#if defined(HAVE_STRCASESTR)
+  return strcasestr(haystack, needle);
+#else
   size_t nlen = strlen(needle);
   size_t hlen = strlen(haystack);
 
@@ -99,6 +102,7 @@ char *Curl_strcasestr(const char *haystack, const char *needle)
     haystack++;
   }
   return NULL;
+#endif
 }
 
 #ifndef HAVE_STRLCAT
-- 
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