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Fix cppcheck warning "scanf without field width limits can crash with huge input data"

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Fix following warnings:
[examples/pn53x-tamashell.c:162]: (warning) scanf without field width limits can crash with huge input data
[libnfc/drivers/acr122_pcsc.c:261]: (warning) scanf without field width limits can crash with huge input data
[libnfc/drivers/acr122s.c:441]: (warning) scanf without field width limits can crash with huge input data
[libnfc/drivers/arygon.c:210]: (warning) scanf without field width limits can crash with huge input data
[libnfc/drivers/arygon.c:522]: (warning) scanf without field width limits can crash with huge input data
[libnfc/drivers/pn532_uart.c:187]: (warning) scanf without field width limits can crash with huge input data
[utils/nfc-relay-picc.c:176]: (warning) scanf without field width limits can crash with huge input data
This commit is contained in:
Philippe Teuwen 2013-03-06 00:52:08 +01:00
parent 4769392157
commit d577fda412
6 changed files with 9 additions and 7 deletions
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2
utils/nfc-relay-picc.c
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@ -173,7 +173,7 @@ main(int argc, char *argv[])
printf("INFO: %s\n", "Swapping devices.");
swap_devices = true;
} else if (0 == strcmp(argv[arg], "-n")) {
if (++arg == argc || (sscanf(argv[arg], "%i", &waiting_time) < 1)) {
if (++arg == argc || (sscanf(argv[arg], "%10i", &waiting_time) < 1)) {
ERR("Missing or wrong waiting time value: %s.", argv[arg]);
print_usage(argv);
exit(EXIT_FAILURE);