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Use the userdata parameter to pass the dive data to the callback.

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This commit is contained in:
Jef Driesen 2010-02-16 14:57:26 +00:00
parent f6d35fa2c2
commit ff55a4a82d
1 changed files with 12 additions and 4 deletions
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16
examples/universal.c
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@ -37,6 +37,10 @@
#include <cressi.h>
#include <utils.h>
typedef struct dive_data_t {
unsigned int number;
} dive_data_t;
typedef struct backend_table_t {
const char *name;
device_type_t type;
@ -176,11 +180,11 @@ event_cb (device_t *device, device_event_t event, const void *data, void *userda
static int
dive_cb (const unsigned char *data, unsigned int size, const unsigned char *fingerprint, unsigned int fsize, void *userdata)
{
static unsigned int count = 0;
dive_data_t *divedata = (dive_data_t *) userdata;
count++;
divedata->number++;
message ("Dive: number=%u, size=%u, fingerprint=", count, size);
message ("Dive: number=%u, size=%u, fingerprint=", divedata->number, size);
for (unsigned int i = 0; i < fsize; ++i)
message ("%02X", fingerprint[i]);
message ("\n");
@ -376,9 +380,13 @@ dowork (device_type_t backend, const char *devname, const char *filename, int me
}
if (dives) {
// Initialize the dive data.
dive_data_t divedata = {0};
divedata.number = 0;
// Download the dives.
message ("Downloading the dives.\n");
rc = device_foreach (device, dive_cb, NULL);
rc = device_foreach (device, dive_cb, &divedata);
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Error downloading the dives.");
device_close (device);