1 files changed, 28 insertions, 0 deletions
diff --git a/common/compat.c b/common/compat.c
index 40e4c73..1c620aa 100644
--- a/common/compat.c
+++ b/common/compat.c
@@ -179,6 +179,34 @@ size_t strlcat(char* dst, const char* src, size_t siz)
 
 #endif
 
+#ifndef HAVE_STRCASESTR
+
+const char* strcasestr(const char *s, const char *find)
+{
+    char c, sc;
+    size_t len;
+
+    if((c = *find++) != 0)
+    {
+        c = tolower((unsigned char)c);
+        len = strlen(find);
+        do
+        {
+            do
+            {
+                if((sc = *s++) == 0)
+                    return (NULL);
+            }
+            while((char)tolower((unsigned char)sc) != c);
+        }
+        while (strncasecmp(s, find, len) != 0);
+        s--;
+    }
+    return((const char*)s);
+}
+
+#endif
+
 #ifndef HAVE_SETENV
 
 #include <stdio.h>