#define DO_NONFLAGS 8
static int filter = ~0;
-static const char *def = NULL;
+static const char *def;
#define NORMAL 0
#define REVERSED 1
static int show_type = NORMAL;
-static int symbolic = 0;
-static int abbrev = 0;
-static int output_sq = 0;
+static int symbolic;
+static int abbrev;
+static int output_sq;
-static int revs_count = 0;
+static int revs_count;
/*
* Some arguments are relevant "revision" arguments,