herbst 2004

2 files changed, 153 insertions, 0 deletions

diff --git a/src/backen.c b/src/backen.c
new file mode 100644
index 0000000..d97f743
--- /dev/null
+++ b/src/backen.c
@@ -0,0 +1,101 @@
+#include <string.h>
+#include "mystdlib.h"
+
+int mystrcmp( void *a, void *b ) {
+  return strncmp( a, *(char**)b, strlen( a ));
+}
+
+int mystrcmp2( void *a, void *b ) {
+  return strcmp( *(char**)a, *(char**)b);
+}
+
+int main( int argc, char **argv ) {
+  char path[32]; /* files/file_XXXXX */
+  int streetnum = 0, geomapnum = 0, geomahnum = 0, d = 0, i, j, k, run = 1;
+  char *geomaps[1000000];
+  char *geomahs[14000000];
+  char *streets[400000];
+  MAP maps[11]; int mapoffs[11];
+  MAP streetf = map_file( "lists/streetlist", 1);
+  MAP geomapf = map_file( "lists/geolist", 1);
+  MAP geomahf = map_file( "lists/geohnrlist", 1);
+  unsigned char lookup[1024], **geokord; /* PLZ, Streetname, Hnr */
+
+  streets[streetnum++] = streetf->addr;
+  for( i=0; i<streetf->size; ++i )
+    if( streetf->addr[i] == 0 ) streets[streetnum++] = streetf->addr+i+1;
+
+  geomaps[geomapnum++] = geomapf->addr;
+  for( i=0; i<geomapf->size; ++i )
+    if( geomapf->addr[i] == 0 ) geomaps[geomapnum++] = geomapf->addr+i+1;
+
+  geomahs[geomahnum++] = geomahf->addr;
+  for( i=0; i<geomahf->size; ++i )
+    if( geomahf->addr[i] == 0 ) geomahs[geomahnum++] = geomahf->addr+i+1;
+
+  qsort( geomaps, geomapnum, sizeof(char*), mystrcmp2 );
+  qsort( geomahs, geomahnum, sizeof(char*), mystrcmp2 );
+
+  i = 0;
+  while( run ) {
+    for(j=0; j<11; ++j) {
+      sprintf( path, "files/file_%05X", i++);
+      maps[j] = map_file( path, 1 ); mapoffs[j] = 0;
+    }
+    for(j=0;j<maps[0]->size;++j) {
+      for( k=0; k<11; ++k) {
+        unsigned char *end;
+        int sid;
+        switch(k) {
+           case 0:
+             printf( "%02X\t", maps[k]->addr[mapoffs[k]++]);
+             break;
+           case 5:
+             sid = strtol( maps[k]->addr+mapoffs[k], &end, 10);
+             if( end > maps[k]->addr+mapoffs[k] ) {
+               printf( "%s\t%s\t", streets[sid], end+1 );
+               end = lookup + 6 + sprintf( lookup+6, "%s\t%s", streets[sid], end + 1 );
+               while( isalpha( (int)end[-1] )) *--end = 0;
+               *++end = '\t'; *++end = 0;
+             } else {
+               printf( "\t\t" ); lookup[6] = lookup[7] = '\t'; lookup[8] = 0;
+             }
+             while( maps[k]->addr[mapoffs[k]++]);
+             break;
+           case 10:
+             if( !maps[k]->addr[mapoffs[k]] )
+               printf( "\t\t" );
+             else if( !strchr(maps[k]->addr+mapoffs[k], 9))
+               printf("%s\t\t", maps[k]->addr+mapoffs[k] );
+             else
+               printf("%s\t", maps[k]->addr+mapoffs[k] );
+             while( maps[k]->addr[mapoffs[k]++]);
+             break;
+           case 7:
+             memcpy( lookup, ".....\t", 6 );
+             sprintf( lookup, "%s", maps[k]->addr+mapoffs[k] );
+             lookup[5] = '\t';
+           default:
+             printf( "%s\t", maps[k]->addr+mapoffs[k] );
+             while( maps[k]->addr[mapoffs[k]++]);
+           break;
+        }
+      }
+      /* postprocessing */
+//      printf( "\nLOOKUP: %s\n", lookup );
+
+      if( (geokord = (char**)bsearch( lookup, geomahs, geomahnum, sizeof(char *), mystrcmp ) ) ) {
+//        printf( "\nGEOKOORD: %s\n", *geokord );
+        printf( "%s", *geokord+strlen(lookup)+1 );
+      } else {
+        putchar('\t'); putchar('\t');
+      }
+      putchar( 10 );
+    }
+    for(j=0; j<11; ++j) unmap_file( &maps[j] );
+  }
+  unmap_file( &streetf );
+  unmap_file( &geomapf );
+  unmap_file( &geomahf );
+  return 0;
+}
diff --git a/src/decompress.c b/src/decompress.c
new file mode 100644
index 0000000..dea2bca
--- /dev/null
+++ b/src/decompress.c
@@ -0,0 +1,52 @@
+#include <zlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#define XORLEN (29)
+#define HUGEBLOCK (1024*1024)
+
+int main(int argc, char **argv) {
+//  int infile = open("/Volumes/DasTelefonbuch/atb/phonebook.db", O_RDONLY);
+
+  int infile = open( argv[1], O_RDONLY);
+  printf( "%i\n", infile );
+
+  unsigned const char xorkey [XORLEN] = "Just for Fun. Linus Torvalds.";
+  unsigned char input  [HUGEBLOCK];
+  unsigned char output [HUGEBLOCK];
+  unsigned char respath[32]; /* file_XXXXX\0 */
+  int i, offs = 0, zres = 0, filenum = 0, resfile, avail=1;
+  z_stream z; memset( &z, 0, sizeof(z));
+
+  while( avail ) {
+    do {
+      lseek( infile, offs, SEEK_SET );
+      avail = read( infile, input, HUGEBLOCK );
+      if( !avail) break;
+      for( i=0; i<XORLEN; ++i ) input[i] ^= xorkey[i];
+
+      z.next_in  = input;  z.avail_in  = avail;
+      z.next_out = output; z.avail_out = HUGEBLOCK;
+      inflateInit( &z ); zres = inflate( &z, Z_NO_FLUSH );
+
+      if( (zres != Z_OK) && (zres != Z_STREAM_END) ) {
+        inflateEnd(&z); memset( &z, 0, sizeof(z)); 
+        offs++;
+      }
+    } while((zres != Z_OK) && (zres != Z_STREAM_END));
+
+    if( !avail ) break;
+    if( zres == Z_OK) while( inflate( &z, Z_NO_FLUSH ) == Z_OK );
+
+    sprintf( respath, "file_%05X", filenum++ );
+    resfile = open( respath, O_RDWR | O_CREAT, 0644 );
+    /* I know, I know, error checking */
+    write( resfile, output, z.total_out );
+    close( resfile );
+    offs += z.total_in;
+
+    inflateEnd(&z); memset( &z, 0, sizeof(z)); 
+  }
+  close( infile );
+}