Module df 

Structs

DfConfig

Configuration for the df command.

FsInfo

Filesystem information after calling statvfs.

MountEntry

A parsed mount entry from /proc/mounts.

Constants

VALID_OUTPUT_FIELDS

Valid field names for –output.

Functions

format_size

Format a size value according to the config.

get_filesystems

Get filesystem info for all relevant mount points. Returns (filesystems, had_error) where had_error is true if any file was not found.

human_readable_1000

Format a byte count in human-readable form using powers of 1000.

human_readable_1024

Format a byte count in human-readable form using powers of 1024.

parse_block_size

Parse a block size string like “1K”, “1M”, “1G”, etc.

parse_output_fields

Parse the –output field list.

print_fs_line

Print a single filesystem info line (for backward compat with tests).

print_header

Print the df output header (for backward compat with tests).

print_total_line

Print the total line (for backward compat with tests).

read_mounts

Read mount entries from /proc/mounts (falls back to /etc/mtab).

run_df

Run the df command and write output.