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added FillBuffer function for fill buffers in hash checks

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This commit is contained in:
merlokk 2018-11-12 19:03:58 +02:00
parent efa76c7be4
commit 5dda51ed1c
2 changed files with 33 additions and 0 deletions
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30
client/util.c
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@ -23,6 +23,7 @@ uint8_t g_debugMode = 0;
#include <termios.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <stdarg.h>
int ukbhit(void) {
int cnt = 0;
@ -120,6 +121,35 @@ void FillFileNameByUID(char *filenamePrefix, uint8_t *uid, const char *ext, int
strcat(filenamePrefix, ext);
}
// fill buffer from structure [{uint8_t data, size_t length},...]
int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...) {
*dataLength = 0;
va_list valist;
va_start(valist, dataLength);
uint8_t *vdata = NULL;
size_t vlength = 0;
do{
vdata = va_arg(valist, uint8_t *);
if (!vdata)
break;
vlength = va_arg(valist, size_t);
if (*dataLength + vlength > maxDataLength) {
va_end(valist);
return 1;
}
memcpy(&data[*dataLength], vdata, vlength);
*dataLength += vlength;
} while (vdata);
va_end(valist);
return 0;
}
void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len,
const size_t min_str_len, const size_t spaces_between, bool uppercase) {

3
client/util.h
View file

@ -187,6 +187,9 @@ extern void AddLogUint64(char *fileName, char *extData, const uint64_t data);
extern void AddLogCurrentDT(char *fileName);
extern void FillFileNameByUID(char *filenamePrefix, uint8_t * uid, const char *ext, int uidlen);
// fill buffer from structure [{uint8_t data, size_t length},...]
extern int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...);
extern void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len,
const size_t hex_max_len, const size_t min_str_len, const size_t spaces_between,
bool uppercase);