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feat: add no_lfn build tag to disable long file name support #29

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feat: add no_lfn build tag to disable long file name support #29

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2 changes: 2 additions & 0 deletions fatfs/ffconf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,9 @@
*/


#ifndef FF_USE_LFN
#define FF_USE_LFN 2
#endif
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
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11 changes: 11 additions & 0 deletions fatfs/go_fatfs_no_lfn.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
//go:build no_lfn

package fatfs

// FF_USE_LFN controls long file name (LFN) support in FatFs (default: 2).
// Using the build tag no_lfn sets FF_USE_LFN=0 which disables LFN and
// restricts file names to the 8.3 short file name format. It also removes
// the Unicode conversion tables in ffunicode.c, resulting in ~60KB of flash savings.

// #cgo CFLAGS: -DFF_USE_LFN=0
import "C"