From c94e29ed02be8c3df19c0db41f45959398582d12 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Tue, 26 May 2015 02:31:29 +0200
Subject: [PATCH] Create rarch_strcasestr

---
 libretro-common/compat/compat.c       | 24 ++++++++++++++++++++++++
 libretro-common/include/compat/strl.h |  2 ++
 tasks/task_database.c                 |  2 +-
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/libretro-common/compat/compat.c b/libretro-common/compat/compat.c
index 454f2f2dfc..1a1df67ee1 100644
--- a/libretro-common/compat/compat.c
+++ b/libretro-common/compat/compat.c
@@ -364,3 +364,27 @@ char *rarch_strtok_r__(char *str, const char *delim, char **saveptr)
 
 #endif
 
+/*
+ * Find the first occurrence of find in s, ignore case.
+ */
+char *rarch_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 ((char *)s);
+}
diff --git a/libretro-common/include/compat/strl.h b/libretro-common/include/compat/strl.h
index 8f92e032d8..896dd2e7ac 100644
--- a/libretro-common/include/compat/strl.h
+++ b/libretro-common/include/compat/strl.h
@@ -44,6 +44,8 @@ extern "C" {
 size_t strlcpy(char *dest, const char *source, size_t size);
 size_t strlcat(char *dest, const char *source, size_t size);
 
+char *rarch_strcasestr(const char *s, const char *find);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/tasks/task_database.c b/tasks/task_database.c
index abc014b93c..ca61204068 100644
--- a/tasks/task_database.c
+++ b/tasks/task_database.c
@@ -210,7 +210,7 @@ static int database_info_iterate_crc_lookup(
                entry_state_crc, db_info_entry->crc32, db_info_entry->name);
 #endif
 
-         if (strcasestr(entry_state_crc, db_info_entry->crc32))
+         if (rarch_strcasestr(entry_state_crc, db_info_entry->crc32))
             return database_info_list_iterate_found_match(db_state, db);
       }
    }