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Fix device name: snprintf could not be used to append something to source string.

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This commit is contained in:
Romuald Conty 2010-04-21 10:50:29 +00:00
parent d9ec086beb
commit fa1f9a1ff6
1 changed files with 7 additions and 6 deletions
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13
libnfc/nfc.c
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@ -192,13 +192,14 @@ nfc_device_t* nfc_connect(nfc_device_desc_t* pndd)
return NULL; return NULL;
} }
// Add the firmware revision to the device name, PN531 gives 2 bytes info, but PN532 gives 4 // Add the firmware revision to the device name, PN531 gives 2 bytes info, but PN532 and PN533 gives 4
switch(pnd->nc) char* pcName = strdup(pnd->acName);
{ switch(pnd->nc) {
case NC_PN531: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN531 v%d.%d",pnd->acName,abtFw[0],abtFw[1]); break; case NC_PN531: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN531 v%d.%d",pcName,abtFw[0],abtFw[1]); break;
case NC_PN532: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN532 v%d.%d (0x%02x)",pnd->acName,abtFw[1],abtFw[2],abtFw[3]); break; case NC_PN532: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN532 v%d.%d (0x%02x)",pcName,abtFw[1],abtFw[2],abtFw[3]); break;
case NC_PN533: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN533 v%d.%d (0x%02x)",pnd->acName,abtFw[1],abtFw[2],abtFw[3]); break; case NC_PN533: snprintf(pnd->acName,DEVICE_NAME_LENGTH - 1,"%s - PN533 v%d.%d (0x%02x)",pcName,abtFw[1],abtFw[2],abtFw[3]); break;
} }
free(pcName);
// Reset the ending transmission bits register, it is unknown what the last tranmission used there // Reset the ending transmission bits register, it is unknown what the last tranmission used there
if (!pn53x_set_reg(pnd,REG_CIU_BIT_FRAMING,SYMBOL_TX_LAST_BITS,0x00)) return NULL; if (!pn53x_set_reg(pnd,REG_CIU_BIT_FRAMING,SYMBOL_TX_LAST_BITS,0x00)) return NULL;