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# GHDL Wavefile helpers
This subdir contains C helpers for managing GHDL Wavefiles (GHW).
These sources are used in GTKWave for reading GHW waves (see [gtkwave/gtkwave/search?q=ghwlib](https://github.com/gtkwave/gtkwave/search?q=ghwlib)).
- `ghwlib.c` and `ghwlib.h` provide the reader library.
- `ghwdump.c` uses the library for dumping the content of GHW files in text, for debugging purposes.
A shared library named `ghwlib.[so|dll]` and `ghwdump` are built and installed with GHDL by default.
Furthermore, `ghwdump` is used in the test suite.
These helpers are independent from GHDL's codebase. However, the GHW format is not specified, so it might change as a result of internal tweaks in GHDL. Hence, it is strongly suggested to use the helpers provided in the GHDL installation.
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