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Track minimum datafile version

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Add infrastructure and helper functions to track minimum datafile version.
To make this information useful we need to keep the XML and git data
format versions in track moving forward.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-06-20 06:45:12 -07:00
parent 70d4421cd0
commit de35c88683
7 changed files with 40 additions and 10 deletions
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9
load-git.c
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@ -13,6 +13,7 @@
#include "gettext.h"
#include "dive.h"
#include "divelist.h"
#include "device.h"
#include "membuffer.h"
#include "git-access.h"
@ -745,13 +746,15 @@ static void parse_settings_userid(char *line, struct membuffer *str, void *_unus
* Our versioning is a joke right now, but this is more of an example of what we
* *can* do some day. And if we do change the version, this warning will show if
* you read with a version of subsurface that doesn't know about it.
* We MUST keep this in sync with the XML version (so we can report a consistent
* minimum datafile version)
*/
#define VERSION 3
static void parse_settings_version(char *line, struct membuffer *str, void *_unused)
{
int version = atoi(line);
if (version > VERSION)
report_error("Git save file version %d is newer than version %d I know about", version, VERSION);
report_datafile_version(version);
if (version > DATAFORMAT_VERSION)
report_error("Git save file version %d is newer than version %d I know about", version, DATAFORMAT_VERSION);
}
/* The string in the membuffer is the version string of subsurface that saved things, just FYI */