[Pcsclite-cvs-commit] r6319 - /trunk/PCSC/src/sys_unix.c

[rousseau at users.alioth.debian.org]

Author: rousseau
Date: Tue Jun  5 08:59:08 2012
New Revision: 6319

URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=6319
Log:
SYS_RandomInt(): extend range if fEnd == -1

If fEnd parameter is set to -1 then the result of rand() is not
truncated. This is usefull to get 32-bits of random with no constraint
on the values.

Modified:
    trunk/PCSC/src/sys_unix.c

Modified: trunk/PCSC/src/sys_unix.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/PCSC/src/sys_unix.c?rev=6319&op=diff
==============================================================================
--- trunk/PCSC/src/sys_unix.c (original)
+++ trunk/PCSC/src/sys_unix.c Tue Jun  5 08:59:08 2012
@@ -86,7 +86,11 @@
 		iInitialized = 1;
 	}
 
-	iRandNum = ((rand()+0.0)/RAND_MAX * (fEnd - fStart)) + fStart;
+	if (-1 == fEnd)
+		/* full int range */
+		iRandNum = rand();
+	else
+		iRandNum = ((rand()+0.0)/RAND_MAX * (fEnd - fStart)) + fStart;
 
 	return iRandNum;
 }