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base64: Reformat

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
This commit is contained in:
Jakub Jelen
2024-07-15 14:19:54 +02:00
committed by Sahana Prasad
parent 8ed9f5e69b
commit 9ddde3803e
1 changed files with 131 additions and 127 deletions
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26
src/base64.c
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@@ -57,11 +57,12 @@ static int get_equals(char *string);
* @returns A buffer containing the decoded string, NULL if something went
* wrong (e.g. incorrect char).
*/
ssh_buffer base64_to_bin(const char *source) {
ssh_buffer base64_to_bin(const char *source)
{
ssh_buffer buffer = NULL;
unsigned char block[3];
char *base64;
char *ptr;
char *base64 = NULL;
char *ptr = NULL;
size_t len;
int equals;
@@ -130,7 +131,7 @@ ssh_buffer base64_to_bin(const char *source) {
* two "=" padding characters.
*/
case 2:
if (equals != 2){
if (equals != 2) {
goto error;
}
@@ -155,7 +156,7 @@ ssh_buffer base64_to_bin(const char *source) {
if (_base64_to_bin(block, ptr, 2) < 0) {
goto error;
}
if (ssh_buffer_add_data(buffer,block,2) < 0) {
if (ssh_buffer_add_data(buffer, block, 2) < 0) {
goto error;
}
SAFE_FREE(base64);
@@ -179,7 +180,8 @@ error:
} while(0)
/* Returns 0 if ok, -1 if not (ie invalid char into the stuff) */
static int to_block4(unsigned long *block, const char *source, int num) {
static int to_block4(unsigned long *block, const char *source, int num)
{
const char *ptr = NULL;
unsigned int i;
@@ -189,7 +191,7 @@ static int to_block4(unsigned long *block, const char *source, int num) {
}
BLOCK(A, 0); /* 6 bit */
BLOCK(B,1); /* 12 bit */
BLOCK(B, 1); /* 12 bit */
if (num < 2) {
return 0;
@@ -207,7 +209,8 @@ static int to_block4(unsigned long *block, const char *source, int num) {
}
/* num = numbers of final bytes to be decoded */
static int _base64_to_bin(unsigned char dest[3], const char *source, int num) {
static int _base64_to_bin(unsigned char dest[3], const char *source, int num)
{
unsigned long block;
if (to_block4(&block, source, num) < 0) {
@@ -221,11 +224,12 @@ static int _base64_to_bin(unsigned char dest[3], const char *source, int num) {
}
/* Count the number of "=" signs and replace them by zeroes */
static int get_equals(char *string) {
static int get_equals(char *string)
{
char *ptr = string;
int num = 0;
while ((ptr=strchr(ptr,'=')) != NULL) {
while ((ptr = strchr(ptr, '=')) != NULL) {
num++;
*ptr = '\0';
ptr++;
@@ -283,7 +287,7 @@ uint8_t *bin_to_base64(const uint8_t *source, size_t len)
}
ptr = base64;
while(len > 0){
while (len > 0) {
_bin_to_base64(ptr, source, len > 3 ? 3 : len);
ptr += 4;
if (len < 3) {