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First prototype of argument parsing for device description (issue #87).

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This commit is contained in:
Emanuele Bertoldi 2010-07-22 13:41:20 +00:00
parent 7945dd18fa
commit 4bc522cd1e
3 changed files with 58 additions and 13 deletions
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19
examples/nfc-list.c
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@ -53,11 +53,11 @@ int main(int argc, const char* argv[])
size_t szFound;
size_t i;
nfc_target_info_t nti;
nfc_device_desc_t *pnddDevices;
nfc_device_desc_t *pnddDevices = nfc_parse_device_desc(argc, argv, &szFound);
const char* acLibnfcVersion;
if (argc > 1) {
errx (1, "usage: %s", argv[0]);
if (argc > 1 && szFound == 0) {
errx (1, "usage: %s [--device driver:port:speed]", argv[0]);
}
// Display libnfc version
@ -85,13 +85,16 @@ int main(int argc, const char* argv[])
pnd = nfc_connect(&ndd);
#endif
if (!(pnddDevices = malloc (MAX_DEVICE_COUNT * sizeof (*pnddDevices))))
if (szFound == 0)
{
fprintf (stderr, "malloc() failed\n");
return EXIT_FAILURE;
}
if (!(pnddDevices = malloc (MAX_DEVICE_COUNT * sizeof (*pnddDevices))))
{
fprintf (stderr, "malloc() failed\n");
return EXIT_FAILURE;
}
nfc_list_devices (pnddDevices, MAX_DEVICE_COUNT, &szFound);
nfc_list_devices (pnddDevices, MAX_DEVICE_COUNT, &szFound);
}
if (szFound == 0)
{