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bigbuf calloc ftc where the memory is set to zero before

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This commit is contained in:
iceman1001 2020-11-02 19:07:03 +01:00
commit cd20b208d0
2 changed files with 11 additions and 2 deletions
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10
armsrc/BigBuf.c
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@ -129,6 +129,16 @@ uint8_t *BigBuf_malloc(uint16_t chunksize) {
return (uint8_t *)BigBuf + s_bigbuf_hi; return (uint8_t *)BigBuf + s_bigbuf_hi;
} }
// allocate a chunk of memory from BigBuf, and returns a pointer to it.
// sets the memory to zero
uint8_t *BigBuf_calloc(uint16_t chunksize) {
uint8_t *mem = BigBuf_malloc(chunksize);
if (mem != NULL) {
memset(mem, 0x00, chunksize);
}
return mem;
}
// free ALL allocated chunks. The whole BigBuf is available for traces or samples again. // free ALL allocated chunks. The whole BigBuf is available for traces or samples again.
void BigBuf_free(void) { void BigBuf_free(void) {
s_bigbuf_hi = s_bigbuf_size; s_bigbuf_hi = s_bigbuf_size;

3
armsrc/BigBuf.h
View file

@ -34,6 +34,7 @@ void BigBuf_Clear_ext(bool verbose);
void BigBuf_Clear_keep_EM(void); void BigBuf_Clear_keep_EM(void);
void BigBuf_Clear_EM(void); void BigBuf_Clear_EM(void);
uint8_t *BigBuf_malloc(uint16_t); uint8_t *BigBuf_malloc(uint16_t);
uint8_t *BigBuf_calloc(uint16_t);
void BigBuf_free(void); void BigBuf_free(void);
void BigBuf_free_keep_EM(void); void BigBuf_free_keep_EM(void);
void BigBuf_print_status(void); void BigBuf_print_status(void);
@ -46,10 +47,8 @@ bool get_tracing(void);
bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag); bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);
bool LogTrace_ISO15693(const uint8_t *bytes, uint16_t len, uint32_t ts_start, uint32_t ts_end, uint8_t *parity, bool reader2tag); bool LogTrace_ISO15693(const uint8_t *bytes, uint16_t len, uint32_t ts_start, uint32_t ts_end, uint8_t *parity, bool reader2tag);
uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length); uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length);
typedef struct { typedef struct {
int max; int max;
int bit; int bit;