Commit d1fb6340 authored by unknown's avatar unknown
Browse files

Just adding support for a "minor" version number. 


storage/archive/archive_reader.c:
  Print minor information version.
storage/archive/archive_test.c:
  Fixed test
storage/archive/azio.c:
  Added support for "minor" version.
storage/archive/azlib.h:
  Added information for minor information.
parent af23ddf6

storage/archive/archive_reader.c

+2 −1
Original line number Diff line number Diff line
@@ -41,9 +41,10 @@ int main(int argc, char *argv[]) 
  }



  printf("Version %u\n", reader_handle.version);

  printf("\tStart position %llu\n", (unsigned long long)reader_handle.start);

  if (reader_handle.version > 2)

  {

    printf("\tMinor version %u\n", reader_handle.minor_version);

    printf("\tStart position %llu\n", (unsigned long long)reader_handle.start);

    printf("\tBlock size %u\n", reader_handle.block_size);

    printf("\tRows %llu\n", reader_handle.rows);

    printf("\tAutoincrement %llu\n", reader_handle.auto_increment);

storage/archive/archive_test.c

+3 −3
Original line number Diff line number Diff line
@@ -94,7 +94,7 @@ int main(int argc, char *argv[]) 
  azflush(&reader_handle,  Z_SYNC_FLUSH);

  assert(reader_handle.rows == TEST_LOOP_NUM);

  assert(reader_handle.auto_increment == 0);

  assert(reader_handle.check_point == 61);

  assert(reader_handle.check_point == 62);

  assert(reader_handle.forced_flushes == 1);

  assert(reader_handle.dirty == AZ_STATE_SAVED);
@@ -102,7 +102,7 @@ int main(int argc, char *argv[]) 
  azflush(&writer_handle, Z_SYNC_FLUSH);

  assert(writer_handle.rows == TEST_LOOP_NUM);

  assert(writer_handle.auto_increment == 4);

  assert(writer_handle.check_point == 61);

  assert(writer_handle.check_point == 62);

  assert(writer_handle.forced_flushes == 2);

  assert(writer_handle.dirty == AZ_STATE_SAVED);
@@ -181,7 +181,7 @@ int main(int argc, char *argv[]) 
  azflush(&reader_handle,  Z_SYNC_FLUSH);

  assert(reader_handle.rows == 102);

  assert(reader_handle.auto_increment == 4);

  assert(reader_handle.check_point == 1255);

  assert(reader_handle.check_point == 1256);

  assert(reader_handle.forced_flushes == 4);

  assert(reader_handle.dirty == AZ_STATE_SAVED);

storage/archive/azio.c

+5 −1
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ 
#include <string.h>



static int const gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */

static int const az_magic[2] = {0xfe, 0x03}; /* az magic header */

static int const az_magic[3] = {0xfe, 0x03, 0x01}; /* az magic header */



/* gzip flag byte */

#define ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */
@@ -69,6 +69,7 @@ int az_open (azio_stream *s, const char *path, int Flags, File fd) 
  s->transparent = 0;

  s->mode = 'r';

  s->version = (unsigned char)az_magic[1]; /* this needs to be a define to version */

  s->version = (unsigned char)az_magic[2]; /* minor version */



  /*

    We do our own version of append by nature.
@@ -155,12 +156,14 @@ void write_header(azio_stream *s) 
  s->start = AZHEADER_SIZE + AZMETA_BUFFER_SIZE;

  s->block_size= AZ_BUFSIZE;

  s->version = (unsigned char)az_magic[1];

  s->minor_version = (unsigned char)az_magic[2];





  /* Write a very simple .az header: */

  memset(buffer, 0, AZHEADER_SIZE + AZMETA_BUFFER_SIZE);

  *(ptr + AZ_MAGIC_POS)= az_magic[0];

  *(ptr + AZ_VERSION_POS)= (unsigned char)s->version;

  *(ptr + AZ_MINOR_VERSION_POS)= (unsigned char)s->minor_version;

  *(ptr + AZ_BLOCK_POS)= (unsigned char)(s->block_size/1024); /* Reserved for block size */

  *(ptr + AZ_STRATEGY_POS)= (unsigned char)Z_DEFAULT_STRATEGY; /* Compression Type */
@@ -314,6 +317,7 @@ void read_header(azio_stream *s, unsigned char *buffer) 
  if (buffer[0] == az_magic[0]  && buffer[1] == az_magic[1])

  {

    s->version= (unsigned int)buffer[AZ_VERSION_POS];

    s->minor_version= (unsigned int)buffer[AZ_MINOR_VERSION_POS];

    s->block_size= 1024 * buffer[AZ_BLOCK_POS];

    s->start= (unsigned long long)uint8korr(buffer + AZ_START_POS);

    s->rows= (unsigned long long)uint8korr(buffer + AZ_ROW_POS);

storage/archive/azlib.h

+15 −13
Original line number Diff line number Diff line
@@ -51,22 +51,23 @@ extern "C" { 
  + sizeof(unsigned int) + sizeof(unsigned int) \

  + sizeof(unsigned char)



#define AZHEADER_SIZE 20

#define AZHEADER_SIZE 21



#define AZ_MAGIC_POS 0

#define AZ_VERSION_POS 1

#define AZ_BLOCK_POS 2

#define AZ_STRATEGY_POS 3

#define AZ_FRM_POS 4

#define AZ_META_POS 8

#define AZ_START_POS 12

#define AZ_ROW_POS 20

#define AZ_FLUSH_POS 28

#define AZ_CHECK_POS 36

#define AZ_AUTOINCREMENT_POS 44

#define AZ_LONGEST_POS 52

#define AZ_SHORTEST_POS 56

#define AZ_DIRTY_POS 60

#define AZ_MINOR_VERSION_POS 2

#define AZ_BLOCK_POS 3

#define AZ_STRATEGY_POS 4

#define AZ_FRM_POS 5

#define AZ_META_POS 9

#define AZ_START_POS 13

#define AZ_ROW_POS 21

#define AZ_FLUSH_POS 29

#define AZ_CHECK_POS 37

#define AZ_AUTOINCREMENT_POS 45

#define AZ_LONGEST_POS 53

#define AZ_SHORTEST_POS 57

#define AZ_DIRTY_POS 61





/*
@@ -210,6 +211,7 @@ typedef struct azio_stream { 
  int      back;    /* one character push-back */

  int      last;    /* true if push-back is last character */

  unsigned char version;   /* Version */

  unsigned char minor_version;   /* Version */

  unsigned int block_size;   /* Block Size */

  unsigned long long check_point;   /* Last position we checked */

  unsigned long long forced_flushes;   /* Forced Flushes */