mesa: refactor: move glReadPixels code into new readpix.c file

[mesa.git] / src / mesa / main / imports.c

diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index 8a5dfdb4b80e3ccffd9ad89f49e69aec0a61690f..d798f80e25316612ba3d0b6616c8113ed1079896 100644 (file)
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -542,26 +542,24 @@ int
 _mesa_ffs(int i)
 {
 #if (defined(_WIN32) && !defined(__MINGW32__) ) || defined(__IBMC__) || defined(__IBMCPP__)
-   register int bit = 0;
-   if (i != 0) {
-      if ((i & 0xffff) == 0) {
-         bit += 16;
-         i >>= 16;
-      }
-      if ((i & 0xff) == 0) {
-         bit += 8;
-         i >>= 8;
-      }
-      if ((i & 0xf) == 0) {
-         bit += 4;
-         i >>= 4;
-      }
-      while ((i & 1) == 0) {
-         bit++;
-         i >>= 1;
-      }
+   register int bit = 1;
+   if ((i & 0xffff) == 0) {
+      bit += 16;
+      i >>= 16;
+   }
+   if ((i & 0xff) == 0) {
+      bit += 8;
+      i >>= 8;
+   }
+   if ((i & 0xf) == 0) {
+      bit += 4;
+      i >>= 4;
    }
-   return bit;
+   if ((i & 0x3) == 0) {
+      bit += 2;
+      i >>= 2;
+   }
+   return (i) ? (bit + ((i + 1) & 0x01)) : 0;
 #else
    return ffs(i);
 #endif
@@ -575,7 +573,11 @@ _mesa_ffs(int i)
  *          if no bits set.
  */
 int
+#ifdef __MINGW32__
+_mesa_ffsll(long val)
+#else
 _mesa_ffsll(long long val)
+#endif
 {
 #ifdef ffsll
    return ffsll(val);
@@ -898,12 +900,10 @@ _mesa_sprintf( char *str, const char *fmt, ... )
 void
 _mesa_printf( const char *fmtString, ... )
 {
-   char s[MAXSTRING];
    va_list args;
    va_start( args, fmtString );  
-   vsnprintf(s, MAXSTRING, fmtString, args);
+   vfprintf(stderr, fmtString, args);
    va_end( args );
-   fprintf(stderr,"%s", s);
 }
 
 /** Wrapper around vsprintf() */