Use macros for the header size.

For each year, use a macro for the header size we expect.

diff --git a/decfile.c b/decfile.c
index f300d69..33062d3 100644 (file)
--- a/decfile.c
+++ b/decfile.c
@@ -83,9 +83,9 @@ static int decfile_parse_header(struct rnet_decfile *decfile)
        if (!buffer)
                return -EINVAL;
        switch (strlen(buffer)) {
-       case 765:
+       case RNET_HEADER_SIZE_2013:
                return parse_header_2013(decfile->header, buffer);
-       case 793:
+       case RNET_HEADER_SIZE_2014:
                return parse_header_2014(decfile->header, buffer);
        default:
                return -EINVAL;

diff --git a/decfile.h b/decfile.h
index e2db191..c976a11 100644 (file)
--- a/decfile.h
+++ b/decfile.h
@@ -21,6 +21,9 @@
 
 #include "rnet_message.h"
 
+#define RNET_HEADER_SIZE_2013 765
+#define RNET_HEADER_SIZE_2014 793
+
 struct rnet_decfile;
 struct rnet_decfile * rnet_decfile_open(char *filename);
 void rnet_decfile_close(struct rnet_decfile *decfile);