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Use the new DC_FIELD_STRING callback if it exists

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This recognizes recognize some strigns (serial number and firmware
version), and the ones that it doesn't recognize it adds as extra data
using Dirk's new interface.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2014-10-22 12:11:12 -07:00 • committed by Dirk Hohndel
parent cff413f14d
commit 0a27978014
3 changed files with 52 additions and 1 deletions
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47
libdivecomputer.c
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@ -397,6 +397,39 @@ static uint32_t calculate_diveid(const unsigned char *fingerprint, unsigned int
return csum[0];
}
static uint32_t calculate_string_hash(const char *str)
{
return calculate_diveid(str, strlen(str));
}
#ifdef DC_FIELD_STRING
static void parse_string_field(struct dive *dive, dc_field_string_t *str)
{
// Our dive ID is the string hash of the "Dive ID" string
if (!strcmp(str->desc, "Dive ID")) {
if (!dive->dc.diveid)
dive->dc.diveid = calculate_string_hash(str->value);
return;
}
if (!strcmp(str->desc, "Serial")) {
if (!dive->dc.serial)
dive->dc.serial = strdup(str->value);
if (!dive->dc.deviceid)
dive->dc.deviceid = calculate_string_hash(str->value);
return;
}
if (!strcmp(str->desc, "FW Version")) {
if (!dive->dc.fw_version)
dive->dc.fw_version = strdup(str->value);
return;
}
add_extra_data(&dive->dc, str->desc, str->value);
}
#endif
/* returns true if we want libdivecomputer's dc_device_foreach() to continue,
* false otherwise */
static int dive_cb(const unsigned char *data, unsigned int size,
@ -494,6 +527,20 @@ static int dive_cb(const unsigned char *data, unsigned int size,
dive->dc.surface_pressure.mbar = rint(surface_pressure * 1000.0);
#endif
#ifdef DC_FIELD_STRING
// The dive parsing may give us more device information
int idx;
for (idx = 0; idx < 100; idx++) {
dc_field_string_t str = { NULL };
rc = dc_parser_get_field(parser, DC_FIELD_STRING, idx, &str);
if (rc != DC_STATUS_SUCCESS)
break;
if (!str.desc || !str.value)
break;
parse_string_field(dive, &str);
}
#endif
rc = parse_gasmixes(devdata, dive, parser, ngases, data);
if (rc != DC_STATUS_SUCCESS) {
dev_info(devdata, translate("gettextFromC", "Error parsing the gas mix"));