on prototypes, void means sth

client/cliparser/cliparser.h

@@ -35,7 +35,7 @@ int CLIParserInit(char *vprogramName, char *vprogramHint, char *vprogramHelp);
 int CLIParserParseString(const char *str, void *vargtable[], size_t vargtableLen, bool allowEmptyExec);
 int CLIParserParseStringEx(const char *str, void *vargtable[], size_t vargtableLen, bool allowEmptyExec, bool clueData);
 int CLIParserParseArg(int argc, char **argv, void *vargtable[], size_t vargtableLen, bool allowEmptyExec);
-void CLIParserFree();
+void CLIParserFree(void);
 
 int CLIParamHexToBuf(struct arg_str *argstr, uint8_t *data, int maxdatalen, int *datalen);
 int CLIParamStrToBuf(struct arg_str *argstr, uint8_t *data, int maxdatalen, int *datalen);

client/cmddata.h

@@ -32,7 +32,7 @@
 #include "loclass/cipherutils.h" // for decimating samples in getsamples
 #include "cmdlfem4x.h" // askem410xdecode
 
-command_t *CmdDataCommands();
+command_t *CmdDataCommands(void);
 
 int CmdData(const char *Cmd);
 void printDemodBuff(void);

client/cmdhf.h

@@ -38,6 +38,6 @@ int CmdHFTune(const char *Cmd);
 int CmdHFSearch(const char *Cmd);
 int CmdHFSniff(const char *Cmd);
 
-int usage_hf_search();
-int usage_hf_sniff();
+int usage_hf_search(void);
+int usage_hf_sniff(void);
 #endif

client/cmdhflist.h

@@ -52,7 +52,7 @@ typedef struct {
     uint32_t ks3;       // at ^ at_enc
 } TAuthData;
 
-void ClearAuthData();
+void ClearAuthData(void);
 
 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t *d, uint8_t n);
 uint8_t iso14443B_CRC_check(uint8_t *d, uint8_t n);

client/cmdlfpcf7931.h

@@ -19,12 +19,12 @@ struct pcf7931_config {
     int16_t OffsetPosition;
 };
 
-int pcf7931_resetConfig();
-int pcf7931_printConfig();
+int pcf7931_resetConfig(void);
+int pcf7931_printConfig(void);
 
-int usage_pcf7931_read();
-int usage_pcf7931_write();
-int usage_pcf7931_config();
+int usage_pcf7931_read(void);
+int usage_pcf7931_write(void);
+int usage_pcf7931_config(void);
 
 int CmdLFPCF7931(const char *Cmd);
 

client/cmdmain.h

@@ -42,6 +42,6 @@
 #endif
 
 int CommandReceived(char *Cmd);
-command_t *getTopLevelCommandTable();
+command_t *getTopLevelCommandTable(void);
 
 #endif

client/comms.h

@@ -48,11 +48,11 @@ typedef struct {
 bool dl_it(uint8_t *dest, uint32_t bytes, uint32_t start_index, UsbCommand *response, size_t ms_timeout, bool show_warning, uint32_t rec_cmd);
 
 void SetOffline(bool value);
-bool IsOffline();
+bool IsOffline(void);
 
 void *uart_receiver(void *targ);
 void SendCommand(UsbCommand *c);
-void clearCommandBuffer();
+void clearCommandBuffer(void);
 
 #define FLASHMODE_SPEED 460800
 bool OpenProxmark(void *port, bool wait_for_port, int timeout, bool flash_mode, uint32_t speed);

client/graph.h

@@ -30,7 +30,7 @@ bool fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, int *firstClockEdge);
 void setGraphBuf(uint8_t *buff, size_t size);
 void save_restoreGB(uint8_t saveOpt);
 
-bool HasGraphData();
+bool HasGraphData(void);
 
 // Max graph trace len: 40000 (bigbuf) * 8 (at 1 bit per sample)
 #ifndef MAX_GRAPH_TRACE_LEN

client/hardnested/hardnested_bf_core.h

@@ -62,7 +62,7 @@ typedef enum {
     SIMD_NONE,
 } SIMDExecInstr;
 void SetSIMDInstr(SIMDExecInstr instr);
-SIMDExecInstr GetSIMDInstrAuto();
+SIMDExecInstr GetSIMDInstrAuto(void);
 
 const uint64_t crack_states_bitsliced(uint32_t cuid, uint8_t *best_first_bytes, statelist_t *p, uint32_t *keys_found, uint64_t *num_keys_tested, uint32_t nonces_to_bruteforce, uint8_t *bf_test_nonce_2nd_byte, noncelist_t *nonces);
 void bitslice_test_nonces(uint32_t nonces_to_bruteforce, uint32_t *bf_test_nonce, uint8_t *bf_test_nonce_par);

client/hardnested/hardnested_bruteforce.h

@@ -29,7 +29,7 @@ typedef struct {
 
 void prepare_bf_test_nonces(noncelist_t *nonces, uint8_t best_first_byte);
 bool brute_force_bs(float *bf_rate, statelist_t *candidates, uint32_t cuid, uint32_t num_acquired_nonces, uint64_t maximum_states, noncelist_t *nonces, uint8_t *best_first_bytes, uint64_t *found_key);
-float brute_force_benchmark();
+float brute_force_benchmark(void);
 uint8_t trailing_zeros(uint8_t byte);
 bool verify_key(uint32_t cuid, noncelist_t *nonces, uint8_t *best_first_bytes, uint32_t odd, uint32_t even);
 

client/loclass/cipher.h

@@ -44,7 +44,7 @@ void doMAC(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t mac[4]);
 void doMAC_N(uint8_t *address_data_p, uint8_t address_data_size, uint8_t *div_key_p, uint8_t mac[4]);
 
 #ifndef ON_DEVICE
-int testMAC();
+int testMAC(void);
 #endif
 
 #endif // CIPHER_H

client/loclass/cipherutils.h

@@ -60,7 +60,7 @@ void pushBit(BitstreamOut *stream, bool bit);
 int bitsLeft(BitstreamIn *stream);
 #ifndef ON_DEVICE
 int testCipherUtils(void);
-int testMAC();
+int testMAC(void);
 #endif
 void push6bits(BitstreamOut *stream, uint8_t bits);
 void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;

client/loclass/elite_crack.h

@@ -124,7 +124,7 @@ int calculateMasterKey(uint8_t first16bytes[], uint64_t master_key[]);
  * @brief Test function
  * @return
  */
-int testElite();
+int testElite(void);
 
 /**
       Here are some pretty optimal values that can be used to recover necessary data in only

client/loclass/hash1_brute.h

@@ -1,5 +1,5 @@
 #ifndef HASH1_BRUTE_H
 #define HASH1_BRUTE_H
-void brute_hash1();
+void brute_hash1(void);
 
 #endif // HASH1_BRUTE_H

client/util_darwin.h

@@ -12,8 +12,8 @@
 #define UTIL_DARWIN_H__
 
 void disableAppNap(const char *reason);
-void enableAppNap();
-void makeUnfocusable();
-void makeFocusable();
+void enableAppNap(void);
+void makeUnfocusable(void);
+void makeFocusable(void);
 
 #endif

client/util_posix.h

@@ -21,6 +21,6 @@
 extern void msleep(uint32_t n); // sleep n milliseconds
 #endif // _WIN32
 
-extern uint64_t msclock();      // a milliseconds clock
+extern uint64_t msclock(void);      // a milliseconds clock
 
 #endif