add the PACK_TYPE_COUNT pack_type

2 files changed, 3 insertions, 1 deletions

diff --git a/pack.h b/pack.h
index daf0699..7fd54a5 100644
--- a/pack.h
+++ b/pack.h
@@ -34,6 +34,7 @@ enum pack_type {
 	PACK_TYPE_FLOAT   = 'f',
 	PACK_TYPE_DOUBLE  = 'd',
 	PACK_TYPE_PADDING = 'x',
+	PACK_TYPE_COUNT   = '*',
 };
 
 enum pack_endian {
diff --git a/unpack.c b/unpack.c
index 836faf3..8fd1d94 100644
--- a/unpack.c
+++ b/unpack.c
@@ -95,6 +95,7 @@ static void read_fields(struct dest dest, const void *src_, enum pack_endian end
 		case PACK_TYPE_FLOAT: dest.ptr.f[i] = val.f; break;
 		case PACK_TYPE_DOUBLE: dest.ptr.d[i] = val.d; break;
 		case PACK_TYPE_PADDING: break;
+		case PACK_TYPE_COUNT: return;
 		}
 	}
 }
@@ -125,7 +126,7 @@ enum pack_status unpack(const void *buf_, size_t size, const char *fmt, ...)
 				SET_AND_GOTO(ret, PACK_FMTINVAL, stop);
 			dest.count = c;
 			i += end - &fmt[i];
-		} else if (fmt[i] == '*') {
+		} else if (fmt[i] == PACK_TYPE_COUNT) {
 			dest.count = va_arg(ap, size_t);
 			i++;
 		}