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Overview
Comment:Fix a bug in writing message numbers into CLASS.DEF lump
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: a0a2d667be0382d042b9f01fdb206d0806fac7e1
User & Date: user on 2021-06-25 04:17:29.117
Other Links: manifest | tags
Context
2021-06-27
07:23
If level number specified on command-line exceeds maximum, use maximum level number instead. check-in: 0da277ed18 user: user tags: trunk
2021-06-25
04:17
Fix a bug in writing message numbers into CLASS.DEF lump check-in: a0a2d667be user: user tags: trunk
2021-06-24
21:25
Add and implement the Trigger and TriggerAt instructions. check-in: f36f18a600 user: user tags: trunk
Changes
Side-by-Side Diff Ignore Whitespace Patch
Modified class.c from [8f8b65d78b] to [ca10f29396].
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  long size=0;
  unsigned char*data=read_lump(FIL_LEVEL,LUMP_CLASS_DEF,&size);
  unsigned char*p;
  if(!data) return;
  for(i=0;i<size-3;) {
    n=data[i]|(data[i+1]<<8);
    if(!n) break;
    if(n>=0x4000) fatal("Malformed CLASS.DEF lump\n");
    if(n>=0x4000) fatal("Malformed CLASS.DEF lump (invalid class number %d)\n",n);
    i+=2;
    p=data+i;
    while(i<size && data[i++]);
    if(i==size && data[i-1]) fatal("Malformed CLASS.DEF lump\n");
    initialize_class(n,CF_NOCLASS2,p);
  }
  i+=2;
  for(;i<size-3;) {
    n=data[i]|(data[i+1]<<8);
    if(n<256 || n>=0x4100) fatal("Malformed CLASS.DEF lump\n");
    if(n<256 || n>=0x4100) fatal("Malformed CLASS.DEF lump (invalid message number %d)\n",n);
    n-=256;
    i+=2;
    p=data+i;
    while(i<size && data[i++]);
    if(i==size && data[i-1]) fatal("Malformed CLASS.DEF lump\n");
    if(messages[n]) fatal("Duplicate message number %d\n",n+256);
    messages[n]=strdup(p);
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Modified edit.c from [cff0e2cf25] to [a68bdbab0e].
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    sqlite3_str_appendchar(s,1,i>>8);
    sqlite3_str_appendall(s,classes[i]->name);
    sqlite3_str_appendchar(s,1,0);
  }
  sqlite3_str_appendchar(s,2,0);
  for(i=0;i<0x4000;i++) if(mu[i/8]&(1<<(i&7))) {
    sqlite3_str_appendchar(s,1,i&255);
    sqlite3_str_appendchar(s,1,i>>8);
    sqlite3_str_appendchar(s,1,(i+256)>>8);
    sqlite3_str_appendall(s,messages[i]);
    sqlite3_str_appendchar(s,1,0);
  }
  // End of data
  size=sqlite3_str_length(s);
  data=sqlite3_str_finish(s);
  if(!size || !data) fatal("Error in string builder\n");
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