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Fixed DTSC::File (now actually works) and updated DTSC metadata information in the documentation.

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This commit is contained in:
Thulinma 2012-08-23 17:05:32 +02:00
parent 8a9d4d6ee1
commit 75a420db2a
2 changed files with 13 additions and 8 deletions
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13
lib/dtsc.cpp
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@ -520,9 +520,10 @@ DTSC::File::File(std::string filename, bool create){
/// Sets the file pointer to the first packet.
std::string & DTSC::File::getHeader(){
fseek(F, 8, SEEK_SET);
strbuffer.reserve(headerSize);
strbuffer.resize(headerSize);
fread((void*)strbuffer.c_str(), headerSize, 1, F);
fseek(F, 8+headerSize, SEEK_SET);
return strbuffer;
}
/// (Re)writes the given string to the header area if the size is the same as the existing header.
@ -532,9 +533,9 @@ bool DTSC::File::writeHeader(std::string & header, bool force){
fprintf(stderr, "Could not overwrite header - not equal size\n");
return false;
}
headerSize = header.size() - 8;
fseek(F, 0, SEEK_SET);
int ret = fwrite(header.c_str(), 8+headerSize, 1, F);
headerSize = header.size();
fseek(F, 8, SEEK_SET);
int ret = fwrite(header.c_str(), headerSize, 1, F);
fseek(F, 8+headerSize, SEEK_SET);
return (ret == 1);
}
@ -558,8 +559,8 @@ std::string & DTSC::File::getPacket(){
return strbuffer;
}
long packSize = ntohl(((uint32_t *)buffer)[0]);
strbuffer.reserve(packSize);
if (fread((void*)strbuffer.c_str(), packSize, 1, F)){
strbuffer.resize(packSize);
if (fread((void*)strbuffer.c_str(), packSize, 1, F) != 1){
fprintf(stderr, "Could not read packet\n");
strbuffer = "";
return strbuffer;