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The 'file_size' type denotes the size of files on disk in bytes. On 32-bit architectures it is larger than the size_t, which refers to in-memory object sizes. Whereas the use of 'file_size' is appropriate for ftruncate and seek, it is not a suitable type for the parameters of read/write operations because those operations refer to in-memory buffers. This patch replaces the use of 'file_size' by size_t. However, since it affects all sites where the read/write interface is uses, it takes the opportunity to replace the C-style (pointer, size) arguments by 'Byte_range_ptr' and 'Const_byte_range_ptr'. Issue #4706
This directory is a source-code repository containing Genode-specific services and applications. In contrast to the components that come with the 'os' repository, programs contained in 'gems' are able to leverage the functionalities provided by higher-level repositories such as 'libports'. To use the 'gems' repository, make sure to also add those repositories to your build configuraion.