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added comments, made minor changes to error handling, changed a buffer type from char to uint8 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2346 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber 2003-01-02 02:31:49 +00:00
parent b91e07e73a
commit d390baeede
1 changed files with 8 additions and 3 deletions
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11
src/add-ons/translators/stxttranslator/STXTTranslator.cpp
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@ -291,7 +291,8 @@ STXTTranslator::OutputFormats(int32 *out_count) const
// Returns: B_OK, if the data appears to be in the STXT format,
// B_NO_TRANSLATOR, if the data is not in the STXT format or
// returns B_ERROR if errors were encountered in trying to
// determine the format
// determine the format, or another error code if there was an
// error calling BPostionIO::Read()
// ---------------------------------------------------------------
status_t
identify_stxt_header(const TranslatorStyledTextStreamHeader &header,
@ -301,7 +302,7 @@ identify_stxt_header(const TranslatorStyledTextStreamHeader &header,
const ssize_t ktxtsize = sizeof(TranslatorStyledTextTextHeader);
const ssize_t kstylsize = sizeof(TranslatorStyledTextStyleHeader);
char buffer[max(ktxtsize, kstylsize)];
uint8 buffer[max(ktxtsize, kstylsize)];
// Check the TEXT header
TranslatorStyledTextTextHeader txtheader;
@ -335,6 +336,8 @@ identify_stxt_header(const TranslatorStyledTextStreamHeader &header,
ssize_t read = 0;
TranslatorStyledTextStyleHeader stylheader;
read = inSource->Read(buffer, kstylsize);
if (read < 0)
return read;
if (read != kstylsize && read != 0)
return B_NO_TRANSLATOR;
@ -477,6 +480,8 @@ identify_txt_header(uint8 *data, int32 nread,
//
// B_OK, if this translator understand the data and there were
// no errors found
//
// Other errors if BPositionIO::Read() returned an error value
// ---------------------------------------------------------------
status_t
STXTTranslator::Identify(BPositionIO *inSource,
@ -538,7 +543,7 @@ STXTTranslator::Identify(BPositionIO *inSource,
//
// Postconditions:
//
// Returns: B_BAD_VALUE, if the options in ioExtension are bad
// Returns: B_BAD_VALUE, if outType is invalid
//
// B_NO_TRANSLATOR, if this translator doesn't understand the data
//