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Gerbview: make buffer to read a line of Gerber file bigger.

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Currently, the Gerber file is parsed line by line, This is most of time OK.
But warning: in rare cases some files can have *very long* lines (in fact
have only one line),  so the buffer must be very large.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/18890
This commit is contained in:
jean-pierre charras 2024-10-10 18:33:33 +02:00
parent f34d60932a
commit 2d36a5d4f9
1 changed files with 8 additions and 4 deletions

12
gerbview/gerber_file_image.h
View File

@ -2,7 +2,7 @@
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2010-2019 Jean-Pierre Charras jp.charras at wanadoo.fr
* Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
* Copyright (C) 1992-2024 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -99,9 +99,13 @@ public:
// and the actual coordinates calculation must handle this
};
// 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
// Currently, the Gerber file is parsed line by line.
// This is most of time OK
// GERBER_BUFZ is the max size of a single line of text from a gerber file.
// But warning: in rare cases some files can have *very long* lines,
// so the buffer must be very large.
// I saw a file using only one line of 1,400,000 chars
#define GERBER_BUFZ 5000000
/**
* Hold the image data and parameters for one gerber file and layer parameters.