e70152e44cc66cc599ff6b699eb8adc07f3e656a
kent
  Sat May 24 21:09:34 2014 -0700
Adding Copyright NNNN Regents of the University of California to all files I believe with reasonable certainty were developed under UCSC employ or as part of Genome Browser copyright assignment.
diff --git src/lib/hex.c src/lib/hex.c
index c339656..e5f8aa7 100644
--- src/lib/hex.c
+++ src/lib/hex.c
@@ -1,66 +1,69 @@
 /* Handy hexidecimal functions
  *   If you don't want to use printf
  */
 
+/* Copyright (C) 2013 The Regents of the University of California 
+ * See README in this or parent directory for licensing information. */
+
 #include "common.h"
 
 char hexTab[16] = {'0', '1', '2', '3', '4', '5', '6', '7', 
 	'8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };
 /* Convert 0-15 to a hex char */
 
 
 char nibbleToHex(unsigned char n)
 /* convert nibble to hexidecimal character. 0 <= n <= 15. */
 {
 return hexTab[n];
 }
 
 void byteToHex(unsigned char n, char *hex)
 /* convert byte to hexidecimal characters. 0 <= n <= 255. */
 {
 *hex++ = hexTab[n >> 4];
 *hex++ = hexTab[n & 0xf];
 }
 
 char *byteToHexString(unsigned char n)
 /* convert byte to hexidecimal string. 0 <= n <= 255. */
 {
 char hex[3];
 byteToHex(n, hex);
 hex[2] = 0;
 return cloneString(hex);
 }
 
 /* And the reverse functions: */
 
 char hexToNibble(char n)
 /* convert hexidecimal character to nibble. 0-9a-f. */
 {
 return n - ( n <= '9' ? '0' : ('a'-10) );
 }
 
 
 unsigned char hexToByte(char *hex)
 /* convert byte to hexidecimal characters. 0 <= n <= 255. */
 {
 unsigned char n = hexToNibble(*hex++);
 n <<= 4;
 n += hexToNibble(*hex++);
 return n;
 }
 
 
 void hexBinaryString(unsigned char *in, int inSize, char *out, int outSize)
 /* Convert possibly long binary string to hex string.
  * Out size needs to be at least 2x inSize+1 */
 {
 assert(inSize * 2 +1 <= outSize);
 while (--inSize >= 0)
     {
     unsigned char c = *in++;
     *out++ = hexTab[c>>4];
     *out++ = hexTab[c&0xf];
     }
 *out = 0;
 }