scip/pcp
1
0
Fork 0
mirror of https://codeberg.org/scip/pcp.git synced 2025-12-17 03:50:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

changed invalid // c++ comments to valid /* .. */ C comments

Browse Source
This commit is contained in:
TLINDEN
2014-02-05 20:41:16 +01:00
parent 6f3bdda6f1
commit 8f24fc88f8
43 changed files with 383 additions and 427 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
libpcp/zmq_z85.c
View File

@@ -19,17 +19,17 @@
#include "zmq_z85.h"
// Z85 codec, taken from 0MQ RFC project, implements RFC32 Z85 encoding
/* Z85 codec, taken from 0MQ RFC project, implements RFC32 Z85 encoding */
// Maps base 256 to base 85
/* Maps base 256 to base 85 */
static char encoder [85 + 1] = {
"0123456789" "abcdefghij" "klmnopqrst" "uvwxyzABCD"
"EFGHIJKLMN" "OPQRSTUVWX" "YZ.-:+=^!/" "*?&<>()[]{"
"}@%$#"
};
// Maps base 85 to base 256
// We chop off lower 32 and higher 128 ranges
/* Maps base 85 to base 256 */
/* We chop off lower 32 and higher 128 ranges */
static uint8_t decoder [96] = {
0x00, 0x44, 0x00, 0x54, 0x53, 0x52, 0x48, 0x00,
0x4B, 0x4C, 0x46, 0x41, 0x00, 0x3F, 0x3E, 0x45,
@@ -45,24 +45,24 @@ static uint8_t decoder [96] = {
0x21, 0x22, 0x23, 0x4F, 0x00, 0x50, 0x00, 0x00
};
// --------------------------------------------------------------------------
// Encode a binary frame as a string; destination string MUST be at least
// size * 5 / 4 bytes long plus 1 byte for the null terminator. Returns
// dest. Size must be a multiple of 4.
/* -------------------------------------------------------------------------- */
/* Encode a binary frame as a string; destination string MUST be at least */
/* size * 5 / 4 bytes long plus 1 byte for the null terminator. Returns */
/* dest. Size must be a multiple of 4. */
char *zmq_z85_encode (char *dest, uint8_t *data, size_t size)
{
if (size % 4 != 0)
return NULL; // !assert
return NULL; /* !assert */
unsigned int char_nbr = 0;
unsigned int byte_nbr = 0;
uint32_t value = 0;
while (byte_nbr < size) {
// Accumulate value in base 256 (binary)
/* Accumulate value in base 256 (binary) */
value = value * 256 + data [byte_nbr++];
if (byte_nbr % 4 == 0) {
// Output value in base 85
/* Output value in base 85 */
unsigned int divisor = 85 * 85 * 85 * 85;
while (divisor) {
dest [char_nbr++] = encoder [value / divisor % 85];
@@ -72,31 +72,31 @@ char *zmq_z85_encode (char *dest, uint8_t *data, size_t size)
}
}
if (char_nbr != size * 5 / 4)
return NULL; // !assert
return NULL; /* !assert */
dest [char_nbr] = 0;
return dest;
}
// --------------------------------------------------------------------------
// Decode an encoded string into a binary frame; dest must be at least
// strlen (string) * 4 / 5 bytes long. Returns dest. strlen (string)
// must be a multiple of 5.
/* -------------------------------------------------------------------------- */
/* Decode an encoded string into a binary frame; dest must be at least */
/* strlen (string) * 4 / 5 bytes long. Returns dest. strlen (string) */
/* must be a multiple of 5. */
uint8_t *zmq_z85_decode (uint8_t *dest, char *string)
{
if (strlen (string) % 5 != 0)
return NULL; // !assert
return NULL; /* !assert */
unsigned int byte_nbr = 0;
unsigned int char_nbr = 0;
uint32_t value = 0;
size_t string_len = strlen (string);
while (char_nbr < string_len) {
// Accumulate value in base 85
/* Accumulate value in base 85 */
value = value * 85 + decoder [(uint8_t) string [char_nbr++] - 32];
if (char_nbr % 5 == 0) {
// Output value in base 256
/* Output value in base 256 */
unsigned int divisor = 256 * 256 * 256;
while (divisor) {
dest [byte_nbr++] = value / divisor % 256;
@@ -106,6 +106,6 @@ uint8_t *zmq_z85_decode (uint8_t *dest, char *string)
}
}
if (byte_nbr != strlen (string) * 4 / 5)
return NULL; //!assert
return NULL; /* !assert */
return dest;
}