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SourceVuESP-IDF Framework and ExamplesFatFSf_expand()

f_expand() function

Syntax

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Summary

Declaration

Definition

FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt);

Implemented in ff.c:5606

Arguments

Argument

fp

fsz

opt

References

Code

Location

Referrer

FRESULT f_expand (

FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */

res = f_expand(file, size, alloc_now ? 1 : 0);

esp_vfs_fat_create_contiguous_file()

Call Tree

f_expand() is called by 1 function and calls 4 functions:

esp_vfs_fat_create_contiguous_file()

f_expand()

unlock_volume()

Data Use

f_expand() reads 14 variables and writes 7 variables:

FFOBJID::objsize

FRESULT::FR_DISK_ERR

FRESULT::FR_INT_ERR

FRESULT::FR_DENIED

FATFS::fsi_flag

FATFS::last_clst

FATFS::free_clst

FATFS::n_fatent

f_expand()

FFOBJID::objsize

FATFS::fsi_flag

FATFS::last_clst

FATFS::free_clst

FFOBJID::sclust

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