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base64: make input argument const

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This commit is contained in:
Pieter Willemsen 2018-09-26 17:51:08 +02:00
parent 4ca6cd70cb
commit 2cc1ac4fa8
2 changed files with 4 additions and 4 deletions
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4
sys/base64/base64.c
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@ -56,7 +56,7 @@ static char getsymbol(unsigned char code)
return (char)BASE64_NOT_DEFINED;
}
int base64_encode(unsigned char *data_in, size_t data_in_size, \
int base64_encode(const unsigned char *data_in, size_t data_in_size,
unsigned char *base64_out, size_t *base64_out_size)
{
size_t required_size = 4 * ((data_in_size + 2) / 3);
@ -159,7 +159,7 @@ static int getcode(char symbol)
return BASE64_NOT_DEFINED;
}
int base64_decode(unsigned char *base64_in, size_t base64_in_size, \
int base64_decode(const unsigned char *base64_in, size_t base64_in_size,
unsigned char *data_out, size_t *data_out_size)
{
size_t required_size = ((base64_in_size / 4) * 3);

4
sys/include/base64.h
View File

@ -50,7 +50,7 @@ extern "C" {
BASE64_ERROR_DATA_IN if `data_in` equals NULL,
BASE64_ERROR_DATA_IN_SIZE if `data_in_size` is less then 1.
*/
int base64_encode(unsigned char *data_in, size_t data_in_size, \
int base64_encode(const unsigned char *data_in, size_t data_in_size,
unsigned char *base64_out, size_t *base64_out_size);
/**
@ -71,7 +71,7 @@ int base64_encode(unsigned char *data_in, size_t data_in_size, \
BASE64_ERROR_DATA_IN if `base64_in` equals NULL,
BASE64_ERROR_DATA_IN_SIZE if `base64_in_size` is less then 4.
*/
int base64_decode(unsigned char *base64_in, size_t base64_in_size, \
int base64_decode(const unsigned char *base64_in, size_t base64_in_size,
unsigned char *data_out, size_t *data_out_size);
#ifdef __cplusplus