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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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7
save-xml.c
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@ -8,6 +8,7 @@
#include <fcntl.h>
#include "dive.h"
#include "divelist.h"
#include "device.h"
#include "membuffer.h"
#include "strndup.h"
@ -483,8 +484,6 @@ static void save_one_device(void *_f, const char *model, uint32_t deviceid,
put_format(b, "/>\n");
}
#define VERSION 3
int save_dives(const char *filename)
{
return save_dives_logic(filename, false);
@ -496,7 +495,7 @@ void save_dives_buffer(struct membuffer *b, const bool select_only)
struct dive *dive;
dive_trip_t *trip;
put_format(b, "<divelog program='subsurface' version='%d'>\n<settings>\n", VERSION);
put_format(b, "<divelog program='subsurface' version='%d'>\n<settings>\n", DATAFORMAT_VERSION);
if (prefs.save_userid_local)
put_format(b, " <userid>%30s</userid>\n", prefs.userid);
@ -618,7 +617,7 @@ static void try_to_backup(const char *filename)
while (extension[i][0] != '\0') {
int elen = strlen(extension[i]);
if (strcasecmp(filename + flen - elen, extension[i]) == 0) {
if (last_xml_version < VERSION) {
if (last_xml_version < DATAFORMAT_VERSION) {
int se_len = strlen(extension[i]) + 5;
char *special_ext = malloc(se_len);
snprintf(special_ext, se_len, "%s.v%d", extension[i], last_xml_version);