scip/pcp
1
0
Fork 0
mirror of https://codeberg.org/scip/pcp.git synced 2025-12-17 20:00:58 +01:00
Code Issues Packages Projects Releases Wiki Activity

added automatically z85 encoding/decoding (again, but this time better)

Browse Source
This commit is contained in:
TLINDEN
2014-02-22 14:52:32 +01:00
parent 10d3b1aa90
commit cfb8207ac2
2 changed files with 268 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
include/pcp/pcpstream.h
View File

@@ -28,6 +28,7 @@
#include "util.h"
#include "defines.h"
#include "buffer.h"
#include "z85.h"
/**
* \defgroup Pcpstream PCPSTREAMS
@@ -58,9 +59,16 @@
struct _pcp_stream_t {
FILE *fd; /**< The backend FILE stream */
Buffer *b; /**< The backend Buffer object */
Buffer *cache; /**< The caching Buffer object (for look ahead read) */
Buffer *next; /**< The caching Next-Buffer object (for look ahead read) */
uint8_t is_buffer; /**< Set to 1 if the backend is a Buffer */
uint8_t eof; /**< Set to 1 if EOF reached */
uint8_t err; /**< Set to 1 if an error occured */
uint8_t armor; /**< Set to 1 if Z85 en/de-coding is requested */
uint8_t determine; /**< Set to 1 to automatically determine armor mode */
uint8_t firstread; /**< Internal flag, will be set after first read() */
size_t linewr; /**< Used for Z85 writing, number of chars written on last line */
size_t blocksize; /**< Blocksize used for z85, if requested */
};
/** The name used everywhere */
@@ -212,6 +220,28 @@ int ps_end(Pcpstream *stream);
int ps_err(Pcpstream *stream);
void ps_setdetermine(Pcpstream *stream, size_t blocksize);
void ps_armor(Pcpstream *stream);
/* read from primary source, decode z85 and out into cache.
if buf != NULL, consider it as the start of encoded data
and remove headers and comments, then continue as normal. */
size_t ps_read_decode(Pcpstream *stream, Buffer *cache, void *buf, size_t bufsize);
/* determine if primary source is z85 encoded, put the data
read from it into the cache */
void ps_determine(Pcpstream *stream);
/* read and decode the next chunk and put it into stream->next */
size_t ps_read_next(Pcpstream *stream);
/* return readbytes from cache. if it is more than left in the cache
fetch (and decode) the next chunk, append it to cache and return from
that */
size_t ps_read_cached(Pcpstream *stream, void *buf, size_t readbytes);
size_t ps_read_raw(Pcpstream *stream, void *buf, size_t readbytes);
#endif // HAVE_PCP_PCPSTEAM_H