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Fix hex_to_bytes

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This commit is contained in:
Nekotekina 2017-06-18 23:47:24 +03:00
parent 907c800e87
commit 9cc52c75e3
1 changed files with 8 additions and 14 deletions
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16
rpcs3/Crypto/utils.cpp
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@ -52,28 +52,22 @@ u64 hex_to_u64(const char* hex_str)
return result;
}
void hex_to_bytes(unsigned char *data, const char *hex_str, unsigned int str_length)
void hex_to_bytes(unsigned char* data, const char* hex_str, unsigned int str_length)
{
u32 strn_length = (str_length > 0) ? str_length : (u32) strlen(hex_str);
u32 strn_length = (str_length > 0) ? str_length : (u32)std::strlen(hex_str);
u32 data_length = strn_length / 2;
char tmp_buf[3] = {0, 0, 0};
// Don't convert if the string length is odd.
if (!(strn_length % 2))
if ((strn_length % 2) == 0)
{
auto out = std::make_unique<u8[]>(strn_length * sizeof(u8));
u8 *pos = out.get();
while (strn_length--)
while (data_length--)
{
tmp_buf[0] = *hex_str++;
tmp_buf[1] = *hex_str++;
*pos++ = (u8)(hex_to_u64(tmp_buf) & 0xFF);
*data++ = (u8)(hex_to_u64(tmp_buf) & 0xFF);
}
// Copy back to our array.
memcpy(data, out.get(), data_length);
}
}