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(WRITTEN_BY): Add my name.
(MAXUID, MAXGID): Remove definitions. Use GID_T_MAX instead of
the latter.
(usage): Update.
(main): Handle new options.
Call new function, chown_files rather than change_file_owner.
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fts to perform a directory traversal when -R is specified.
Before, it used explicit recursion, and as such was limited by
the user's stack size to handling hierarchies no deeper than
about 30,000 levels.
Include "userspec.h" and "fts_.h".
(WRITTEN_BY): Add my name.
(getpwnam, getgrnam, getgrgid): Remove declarations.
(endpwent): Remove definition.
(usage): Update
(main): Handle new options.
Call new function, chown_files rather than change_file_owner.
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[struct Chown_option] (recurse, force_silent): Change type to `bool'.
[struct Chown_option] (dereference): Remove member with ambiguous name.
[struct Chown_option] (affect_symlink_referent): New member.
(chown_files): New prototype.
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via explicit recursion.
Include "fts_.h"
(change_file_owner): Rewrite to use FTS* and FTSENT* and to operate
on a single file at a time.
(chown_files): New function.
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probably won't work even for superuser.
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work even for superuser. Suggestion from Dan Jacobson.
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and invalid suffix char are both reported.
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warning-inducing test, ws.ws_col <= SIZE_MAX, since it was always
true on Linux.
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enormous. Also, clean up the code a bit by removing duplicate code.
(init_column_info): Remove forward decl; no longer needed.
(calculate_columns): New function, that contains code that used
to be common to print_many_per_line and print_horizontal.
(print_many_per_line, print_horizontal): Use it.
(decode_switches): Set max_idx here, not in calculate_columns.
(print_current_files): Don't call init_column_info; calculate_columns
now does that.
(init_column_info): Don't allocate a lot more space than is needed
to represent the current set of files. Allocate all the new
size_t cells in one call to xnmalloc, rather than a row at a time.
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nfiles, files_index, tabsize, line_length, struct column_info.line_len,
struct column_info.col_arr[0], max_idx):
Now size_t, not int.
(get_funky_string): Return bool indicating success, instead of
a negative count to indicate failure. Store number of columns
through new parameter OUTPUT_COUNT; that way, they can never
go negative. Change equals_end from int to bool. All uses
changed.
(struct column_info.valid_len): Now bool, not int. All uses changed.
(dired_dump_obstack, get_funky_string, clear_files,
extract_dirs_from_files, print_current_files,
print_many_per_line, print_horizontal, init_column_info,
put_indicator, length_of_file_name_and_frills,
print_with_commas): Use size_t, not int, for local variables
that count sizes.
(decode_switches): Decode sizes using xstrtoul, not xstrtol.
Check for TIOCGWINSZ returing negative values (or values greater
than SIZE_MAX!).
(visit_dir, main, parse_ls_color, queue_directory, add_ignore_pattern,
init_column_info):
Use xmalloc and xnmalloc, not XMALLOC.
(gobble_file): Use xnrealloc, not XREALLOC.
(print_color_indicator): Remove now-unnecessary cast to size_t.
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