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- Fixed: The Dehacked parser could read past the end of the file if the last
element was improperly defined. SVN r2035 (trunk)
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00447b8f44
commit
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2 changed files with 17 additions and 10 deletions
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@ -1,3 +1,7 @@
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December 20, 2009 (Changes by Graf Zahl)
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- Fixed: The Dehacked parser could read past the end of the file if the last
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element was improperly defined.
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December 19, 2009
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- Extended MF3_SKYEXPLODE to apply to horizon walls as well.
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@ -252,6 +252,7 @@ DehSpriteMappings[] =
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#define CHECKKEY(a,b) if (!stricmp (Line1, (a))) (b) = atoi(Line2);
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static char *PatchFile, *PatchPt, *PatchName;
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static int PatchSize;
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static char *Line1, *Line2;
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static int dversion, pversion;
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static bool including, includenotext;
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@ -427,7 +428,7 @@ static bool ReadChars (char **stuff, int size)
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size++;
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PatchPt++;
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} while (--size);
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} while (--size && *PatchPt != 0);
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*str = 0;
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return true;
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@ -524,7 +525,7 @@ static char *igets (void)
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{
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char *line;
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if (*PatchPt == '\0')
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if (*PatchPt == '\0' || PatchPt >= PatchFile + PatchSize )
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return NULL;
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line = PatchPt;
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@ -2205,7 +2206,7 @@ static int DoInclude (int dummy)
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{
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char *data;
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int savedversion, savepversion;
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char *savepatchfile, *savepatchpt, *savepatchname;
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char *savepatchfile, *savepatchpt, *savepatchname, savepatchsize;
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if (including)
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{
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@ -2239,6 +2240,7 @@ static int DoInclude (int dummy)
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savepatchname = PatchName;
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savepatchfile = PatchFile;
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savepatchpt = PatchPt;
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savepatchsize = PatchSize;
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savedversion = dversion;
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savepversion = pversion;
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including = true;
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@ -2272,6 +2274,7 @@ static int DoInclude (int dummy)
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PatchName = savepatchname;
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PatchFile = savepatchfile;
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PatchPt = savepatchpt;
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PatchSize = savepatchsize;
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dversion = savedversion;
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pversion = savepversion;
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}
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@ -2294,12 +2297,12 @@ int D_LoadDehLumps()
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bool D_LoadDehLump(int lumpnum)
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{
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int filelen = Wads.LumpLength(lumpnum);
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PatchSize = Wads.LumpLength(lumpnum);
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PatchName = copystring(Wads.GetLumpFullPath(lumpnum));
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PatchFile = new char[filelen + 1];
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PatchFile = new char[PatchSize + 1];
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Wads.ReadLump(lumpnum, PatchFile);
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PatchFile[filelen] = '\0'; // terminate with a '\0' character
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PatchFile[PatchSize] = '\0'; // terminate with a '\0' character
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return DoDehPatch();
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}
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@ -2310,13 +2313,13 @@ bool D_LoadDehFile(const char *patchfile)
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deh = fopen(patchfile, "rb");
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if (deh != NULL)
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{
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int filelen = Q_filelength(deh);
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PatchSize = Q_filelength(deh);
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PatchName = copystring(patchfile);
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PatchFile = new char[filelen + 1];
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fread(PatchFile, 1, filelen, deh);
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PatchFile = new char[PatchSize + 1];
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fread(PatchFile, 1, PatchSize, deh);
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fclose(deh);
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PatchFile[filelen] = '\0'; // terminate with a '\0' character
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PatchFile[PatchSize] = '\0'; // terminate with a '\0' character
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return DoDehPatch();
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}
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else
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