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add check string - if string is hex

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This commit is contained in:
merlokk 2018-11-21 19:44:31 +02:00
parent ea3472b0e0
commit 7b943a4a16
2 changed files with 12 additions and 0 deletions
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11
client/util.c
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@ -150,6 +150,17 @@ int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...) {
return 0;
}
bool CheckStringIsHEXValue(const char *value) {
for (int i = 0; i < strlen(value); i++)
if (!isxdigit(value[i]))
return false;
if (strlen(value) % 2)
return false;
return true;
}
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) {

1
client/util.h
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@ -190,6 +190,7 @@ extern void FillFileNameByUID(char *filenamePrefix, uint8_t * uid, const char *e
// fill buffer from structure [{uint8_t data, size_t length},...]
extern int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...);
extern bool CheckStringIsHEXValue(const char *value);
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);