+void error(const char *format, ...)
+{
+ if ( !format )
+ {
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Usage: bamtk tview [options] <aln.bam> [ref.fasta]\n");
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -s STR display only reads from this sample\n");
+ fprintf(stderr, "\n\n");
+ }
+ else
+ {
+ va_list ap;
+ va_start(ap, format);
+ vfprintf(stderr, format, ap);
+ va_end(ap);
+ }
+ exit(-1);
+}
+
+