[vlc-devel] commit: Re-implement GCD iteratively. Fix unused function warning. ( Rémi Denis-Courmont )

[git version control]

vlc | branch: 0.8.6-bugfix | Rémi Denis-Courmont <rem at videolan.org> | Sat Jan  5 13:29:01 2008 +0000| [157d370a1dd722d7773ff5aac43d476aa74d3224]

Re-implement GCD iteratively. Fix unused function warning.

(cherry picked from commit d6271bf00c0c4e1636959b303a497d86816f70f2)

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=157d370a1dd722d7773ff5aac43d476aa74d3224
---

 include/vlc_common.h |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/vlc_common.h b/include/vlc_common.h
index 47038af..5160c2d 100644
--- a/include/vlc_common.h
+++ b/include/vlc_common.h
@@ -550,10 +550,15 @@ typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 #endif
 
-static int64_t GCD( int64_t a, int64_t b )
+static inline int64_t GCD( int64_t a, int64_t b )
 {
-    if( b ) return GCD( b, a % b );
-    else return a;
+    while( b )
+    {
+        int64_t c = a % b;
+        a = b;
+        b = c;
+    }
+    return a;
 }
 
 /* Dynamic array handling: realloc array, move data, increment position */