Add -r/--format option to pick the format to save as

Only version 0 is supported here.

1 files changed, 12 insertions, 3 deletions

diff --git a/src/metaentry.c b/src/metaentry.c
index 035901c..1eeed5b 100644
--- a/src/metaentry.c
+++ b/src/metaentry.c
@@ -434,9 +434,18 @@ mentries_tofile_v0(const struct metahash *mhash, FILE * to)
 
 /* Stores metaentries to a file */
 void
-mentries_tofile(const struct metahash *mhash, const char *path)
+mentries_tofile(const struct metahash *mhash, const char *path, int format)
 {
 	FILE *to;
+	char const * formatstr;
+	void(*tofile)(const struct metahash *, FILE *);
+
+	switch (format) {
+	case 0: formatstr = VERSION_0; tofile = mentries_tofile_v0; break;
+	default:
+		msg(MSG_CRITICAL, "Unknown format %d\n", format);
+		exit(EXIT_FAILURE);
+	}
 
 	to = fopen(path, "w");
 	if (!to) {
@@ -446,9 +455,9 @@ mentries_tofile(const struct metahash *mhash, const char *path)
 	}
 
 	write_binary_string(SIGNATURE, SIGNATURELEN, to);
-	write_binary_string(VERSION_0, VERSIONLEN, to);
+	write_binary_string(formatstr, VERSIONLEN, to);
 
-	mentries_tofile_v0(mhash, to);
+	tofile(mhash, to);
 
 	fclose(to);
 }