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[7443] Better error reporting at DBC files extraction in ad.exe. No functionlity chnages in normal work case.

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This commit is contained in:
VladimirMangos 2009-03-12 10:01:34 +03:00
parent 498ab2df07
commit 719991d381
5 changed files with 42 additions and 14 deletions
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31
contrib/extractor/dbcfile.cpp
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@ -9,29 +9,42 @@ DBCFile::DBCFile(const std::string &filename):
{
}
void DBCFile::open()
bool DBCFile::open()
{
MPQFile f(filename.c_str());
char header[4];
unsigned int na,nb,es,ss;
f.read(header,4); // Number of records
assert(header[0]=='W' && header[1]=='D' && header[2]=='B' && header[3] == 'C');
f.read(&na,4); // Number of records
f.read(&nb,4); // Number of fields
f.read(&es,4); // Size of a record
f.read(&ss,4); // String size
if(f.read(header,4)!=4) // Number of records
return false;
if(header[0]!='W' || header[1]!='D' || header[2]!='B' || header[3]!='C')
return false;
if(f.read(&na,4)!=4) // Number of records
return false;
if(f.read(&nb,4)!=4) // Number of fields
return false;
if(f.read(&es,4)!=4) // Size of a record
return false;
if(f.read(&ss,4)!=4) // String size
return false;
recordSize = es;
recordCount = na;
fieldCount = nb;
stringSize = ss;
assert(fieldCount*4 == recordSize);
if(fieldCount*4 != recordSize)
return false;
data = new unsigned char[recordSize*recordCount+stringSize];
stringTable = data + recordSize*recordCount;
f.read(data,recordSize*recordCount+stringSize);
size_t data_size = recordSize*recordCount+stringSize;
if(f.read(data,data_size)!=data_size)
return false;
f.close();
return true;
}
DBCFile::~DBCFile()
{