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Added more configurable utils

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Note: It's still expected to modify lfs_utils.h when porting littlefs
to a new target/system. There's just too much room for system-specific
improvements, such as taking advantage of CRC hardware.

Rather, encouraging modification of lfs_util.h and making it easy to
modify and debug should result in better integration with the consuming
systems.

This just adds a bunch of quality-of-life improvements that should help
development and integration in littlefs.

- Macros that require no side-effects are all-caps
- System includes are only brought in when needed
- Malloc/free wrappers
- LFS_NO_* checks for quickly disabling things at the command line
- At least a little-bit more docs
This commit is contained in:
Christopher Haster
2018-01-29 15:20:12 -06:00
parent a0a55fb9e5
commit a3fd2d4d6d
3 changed files with 103 additions and 43 deletions
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lfs.h
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@@ -27,7 +27,7 @@
// Software library version
// Major (top-nibble), incremented on backwards incompatible changes
// Minor (bottom-nibble), incremented on feature additions
#define LFS_VERSION 0x00010002
#define LFS_VERSION 0x00010003
#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16))
#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0))