src/lib/common.c 1.139

Index: src/lib/common.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/lib/common.c,v
retrieving revision 1.138
retrieving revision 1.139
diff -b -B -U 4 -r1.138 -r1.139
--- src/lib/common.c	22 Nov 2009 00:18:03 -0000	1.138
+++ src/lib/common.c	23 Nov 2009 18:02:16 -0000	1.139
@@ -1001,9 +1001,9 @@
    Comparison is case sensitive. Delimit of ' ' uses isspace() */
 {
 int ix;
 char *p=line;
-while(*p!='\0')
+while(p!=NULL && *p!='\0')
     {
     for (ix = 0;
          word[ix] != '\0' && word[ix] == *p;
          ix++,p++); // advance as long as they match
@@ -1022,10 +1022,8 @@
             {
             p++;
             continue;  // delimited so start again after delimit
             }
-        else
-            break;
     }
 return NULL;
 }