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Fix issue in aperture macro with some strange gerber files. 

Fixes: lp:1755623
https://bugs.launchpad.net/kicad/+bug/1755623
This commit is contained in:
jean-pierre charras 2018-03-14 14:55:51 +01:00
parent 66d5d10b49
commit fa41026f36
3 changed files with 83 additions and 80 deletions
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5
gerbview/am_param.cpp
View File

@ -181,7 +181,12 @@ bool AM_PARAM::ReadParam( char*& aText )
{
case ',':
aText++;
if( !found ) // happens when a string starts by ',' before any param
break; // just skip this separator
// fall through
case '\n':
case '\r':
case 0: // EOL
case '*': // Terminator in a gerber command
end = true;

15
gerbview/readgerb.cpp
View File

@ -104,12 +104,11 @@ bool GERBVIEW_FRAME::Read_GERBER_File( const wxString& GERBER_FullFileName )
/**
* size of single line of a text from a gerber file.
* warning: some files can have *very long* lines, so the buffer must be large.
*/
// size of a single line of text from a gerber file.
// warning: some files can have *very long* lines, so the buffer must be large.
#define GERBER_BUFZ 1000000
static char line[GERBER_BUFZ];
// A large buffer to store one line
static char lineBuffer[GERBER_BUFZ+1];
bool GERBER_FILE_IMAGE::LoadGerberFile( const wxString& aFullFileName )
{
@ -134,11 +133,11 @@ bool GERBER_FILE_IMAGE::LoadGerberFile( const wxString& aFullFileName )
while( true )
{
if( fgets( line, sizeof(line), m_Current_File ) == NULL )
if( fgets( lineBuffer, GERBER_BUFZ, m_Current_File ) == NULL )
break;
m_LineNum++;
text = StrPurge( line );
text = StrPurge( lineBuffer );
while( text && *text )
{
@ -195,7 +194,7 @@ bool GERBER_FILE_IMAGE::LoadGerberFile( const wxString& aFullFileName )
if( m_CommandState != ENTER_RS274X_CMD )
{
m_CommandState = ENTER_RS274X_CMD;
ReadRS274XCommand( line, GERBER_BUFZ, text );
ReadRS274XCommand( lineBuffer, GERBER_BUFZ, text );
}
else //Error
{

3
gerbview/rs274x.cpp
View File

@ -1086,7 +1086,7 @@ bool GERBER_FILE_IMAGE::ReadApertureMacro( char *aBuff, unsigned int aBuffSize,
prim.primitive_id = (AM_PRIMITIVE_ID) primitive_type;
int ii;
for( ii = 0; ii < *aText && *aText != '*'; ++ii )
for( ii = 0; ii < paramCount && *aText && *aText != '*'; ++ii )
{
prim.params.push_back( AM_PARAM() );
@ -1106,7 +1106,6 @@ bool GERBER_FILE_IMAGE::ReadApertureMacro( char *aBuff, unsigned int aBuffSize,
msg.Printf( wxT( "RS274X: read macro descr type %d: read %d parameters, insufficient parameters\n" ),
prim.primitive_id, ii );
AddMessageToList( msg );
}
// there are more parameters to read if this is an AMP_OUTLINE
if( prim.primitive_id == AMP_OUTLINE )