From 23eb3fa2ad24f8e414b5f93b02a57a6e86e22bfa Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 9 Mar 2015 04:22:41 +0100
Subject: [PATCH] Add returntype to find_next_driver/find_prev_driver

---
 driver.c | 12 ++++++++++--
 driver.h |  8 ++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/driver.c b/driver.c
index eb39f227b4..ab06831c6c 100644
--- a/driver.c
+++ b/driver.c
@@ -142,14 +142,18 @@ int find_driver_index(const char * label, const char *drv)
  *
  * Find previous driver in driver array.
  **/
-void find_prev_driver(const char *label, char *str, size_t sizeof_str)
+bool find_prev_driver(const char *label, char *str, size_t sizeof_str)
 {
    int i = find_driver_index(label, str);
    if (i > 0)
       find_driver_nonempty(label, i - 1, str, sizeof_str);
    else
+   {
       RARCH_WARN(
             "Couldn't find any previous driver (current one: \"%s\").\n", str);
+      return false;
+   }
+   return true;
 }
 
 /**
@@ -160,13 +164,17 @@ void find_prev_driver(const char *label, char *str, size_t sizeof_str)
  *
  * Find next driver in driver array.
  **/
-void find_next_driver(const char *label, char *str, size_t sizeof_str)
+bool find_next_driver(const char *label, char *str, size_t sizeof_str)
 {
    int i = find_driver_index(label, str);
    if (i >= 0)
       find_driver_nonempty(label, i + 1, str, sizeof_str);
    else
+   {
       RARCH_WARN("Couldn't find any next driver (current one: \"%s\").\n", str);
+      return false;
+   }
+   return true;
 }
 
 /**
diff --git a/driver.h b/driver.h
index 6fd71662ce..e2ef62040d 100644
--- a/driver.h
+++ b/driver.h
@@ -329,8 +329,10 @@ void uninit_drivers(int flags);
  * @sizeof_str         : size of @str.
  *
  * Find previous driver in driver array.
+ *
+ * Returns: true (1) if successful, otherwise false (0).
  **/
-void find_prev_driver(const char *label, char *str, size_t sizeof_str);
+bool find_prev_driver(const char *label, char *str, size_t sizeof_str);
 
 /**
  * find_next_driver:
@@ -339,8 +341,10 @@ void find_prev_driver(const char *label, char *str, size_t sizeof_str);
  * @sizeof_str         : size of @str.
  *
  * Find next driver in driver array.
+ *
+ * Returns: true (1) if successful, otherwise false (0).
  **/
-void find_next_driver(const char *label, char *str, size_t sizeof_str);
+bool find_next_driver(const char *label, char *str, size_t sizeof_str);
 
 /**
  * driver_set_nonblock_state: