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it's not portable C to assume FILE is a complete type.
(paste_parallel): Use null instead of ENDLIST, and an explicit
boolean instead of CLOSED.
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(parse_tab_stop): Renamed from parse_tabstop. All uses changed.
(validate_tab_stop): Renamed from validate_tabstop. All uses changed.
(next_file, main): Check fclose against 0, not EOF.
(unexpand): Remove unnecessary casts.
Add another loop nesting level, for lines, so that per-line variables
are initialized cleanly.
Revamp tab checking. Check for write error immediately, rather
than just once at the end of the program.
(TAB_STOP_SENTINEL): Remove.
(tab_size): Now size_t, not uintmax_t, since we need to store
the sequences of blanks.
(max_column_width): New var.
(usage): Say "blank" where POSIX requires this.
(add_tab_stop): Calculate maximum column width.
(unexpand): Store the pending blanks, instead of merely counting them.
Follow POSIX's rules about -a requiring two blanks before a tab stop.
Get rid of internal label and goto.
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(usage): -i does not convert tabs after non-tabs.
(add_tab_stop): Renamed from add_tabstop. All uses changed.
(parse_tab_stop): Renamed from parse_tabstop. All uses changed.
(validate_tab_stop): Renamed from validate_tabstop. All uses changed.
(next_file, main): Check fclose against 0, not EOF.
(expand): Remove unnecessary casts.
Add another loop nesting level, for lines, so that per-line variables
are initialized cleanly.
Revamp tab checking. Check for write error immediately, rather
than just once at the end of the program.
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(main): Do not set user name to the empty string if the group
name is null.
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without using "to OWNERSHIP" phrase.
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through a pointer. Treat "chgrp '' file" as a no-op change,
as FreeBSD does.
(main): Set chopt.group_name to NULL if the group is the empty
string.
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--target-directory support at 2004-06-25.
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a destination with link count greater than one. This is so
that commands like "cp -a" don't get confused when copying into
a destination that already contains many hard links.
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to a file named "-".
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A null file arg means standard output.
(main): "-o -" means to write to a file named "-",
not to standard output.
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bugs introduced on 2004-07-29.
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(can_mode): Make variable local.
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and not readable. Prefer write access, since this should work
better with fdatasync.
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(main): Remove now-obsolete initialization of xalloc_fail_func.
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Do not define, to avoid annoying compiler messages on QNX 6.3.
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Define to a concatenation of string literals, not to an expression;
needed for concatenation contexts.
(INTMAX_MAX, INTMAX_MIN): New macros.
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unsigned long; this isn't true for st_ino on Solaris 9.
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whether to include files. Include <sys/param.h> if
HAVE_SYS_PARAM_H (not HAVE_SYSCTL).
(main) [defined __POWERPC__]: Add a kludge to work around a
Mac OS X bug, so that uname -p defaults to "powerpc" if
sysctl ((int[]) {CTL_HW, HW_MACHINE_ARCH}, 2, buffer, &bufsize, 0, 0)
fails. Problem reported by Petter Reinholdtsen in:
http://lists.gnu.org/archive/html/bug-gnu-utils/2003-02/msg00201.html
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(print_lines, print_words, print_chars, print_bytes, print_linelength,
have_read_stdin, wc, wc_file, main):
Use bool for booleans.
(exit_status): Remove.
(wc, wc_file): Return bool status. All callers changed.
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main): Use bool for booleans.
(writeline, check_file): Use uintmax_t for line counts.
(check_file): Check for and report line number overflow,
when that matters.
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Include quote.h, xstrndup.h.
(TAB_STOP_SENTINEL): Increase from INT_MAX to INTMAX_MAX.
(convert_entire_line, have_read_stdin, parse_tabstops, next_file,
unexpand, main):
Use bool for booleans.
(tab_size, tab_list, add_tabstop, validate_tabstops, unexpand):
Use uintmax_t for column counts.
(first_free_tab, validate_tabstops, unexpand): Use size_t for sizes.
(add_tabstop, parse_tabstops, main): Don't reserve UINTMAX_MAX
as a tab stop.
(parse_tabstops): Don't use ISBLANK on possibly-signed char.
Detect overflow in tab stop string.
(next_file, main): Use EXIT_FAILURE/EXIT_SUCCESS instead of 1/0.
(unexpand): Concatenate input files the same way expand does.
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(main): 0 -> STDIN_FILENO.
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(have_read_stdin, count_items, scan_zeros, detect_loop,
recurse_tree, walk_tree, tsort, main):
Use bool for booleans.
(exit_status): Remove.
(tsort): Return a success flag instead of storing into a global.
(main): Use it.
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touch, main): Use bool for booleans.
(main): Avoid integer overflow when given more than INT_MAX
options.
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Remove. All uses replaced by C99 boolean primitives.
(TEST_TRUE, TEST_FALSE): New constants, for readability.
(test_unop, binop, unary_operator, binary_operator, two_arguments,
three_arguments, posixtest, expr, term, and, or, is_int, age_of,
one_argument, main): Use bool for booleans.
(advance, unary_advance): Now inline procedures rather than a macros.
(is_int): Renamed from isint, to avoid namespace clash with ctype.h.
(term, and, or): When it's easy, loop instead of recursing.
(term): Avoid integer overflow if there are INT_MAX-3 args (!).
(binary_operator, unary_operator): Simplify by systematically rewriting
true==FOO to FOO (where FOO is a boolean).
(unary_operator): Don't consider a file to be a regular file
merely because its mode&S_IFMT is zero. Just use S_ISREG.
Remove unnecessary casts. Remove ifdefs for things like
S_ISSOCK that are no longer needed, since stat-macros.h always
defines them now.
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tac_stdin, tac_stdin_to_mem, main): Use bool for booleans.
(match_length, G_buffer_size, tac_seekable, main): Use size_t for sizes.
(tac_seekable): Use ptrdiff_t for pointer subtraction.
Report an error if the result is out of range.
(tac_seekable, main): Check for integer overflow in buffer size
calculations.
(main): Remove unnecessary casts.
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Use bool for booleans.
(buf_init_from_stdin, buf_free, find_bol, print_line):
Use size_t for sizes.
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the callee doesn't have to count 'em. All callers changed.
Don't allocate more space for the arg vector than we'll need.
Use memcpy to copy the args rather than rolling our own loop.
Use size_t for sizes.
(fast_startup, simulate_login, change_environment, log_su,
correct_password, restricted_shell, main): Use bool for booleans.
(longopts): Don't assume change_environment is an int.
Use NULL, not 0, for pointers.
(xsetenv): New function, replacing xputenv and concat.
All callers changed.
(elements): Remove; no longer needed.
(log_su, correct_passwd, main): Prefer !x to x==NULL.
(log_su): 2 -> STDERR_FILENO.
(modify_environment, main): Don't assume that getenv's returned value
has an indefinite lifetime.
(modify_environment): Allocate a larger environ.
(main): Remove an impossible 'case 0'; if it happens now, it'll
get diagnosed. Don't assume getpwnam results outlive endpwent.
Check for null or empty pw_name, pw_dir and for null pw_passwd.
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(_POSIX_VDISABLE): Remove unnecessary cast.
(struct control_info, visible): Use cc_t for control chars.
(struct control_info): Use size_t for sizes.
(recover_mode, set_mode, display_speed, display_window_size,
valid_options, main, display_changed):
Use bool for booleans.
(integer_arg): Return unsigned long int, not long int.
Accept new max arg; all callers changed, to specify a maximum
value for integer parameters instead of silently overflowing.
(wrap): Do not overrun the stack buffer if the output contains
more than 1024 bytes. Instead, malloc a buffer.
(main): Remove a "what is this?!?" FIXME. Nobody knows what it is.
Remove unnecessary casts.
(set_control_char): Allow int values only up to cc_t range.
(screen_columns): Don't reject INT_MAX.
(display_changed, display_all, display_speed, recover_mode):
Don't assume cc_t fits in int.
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Use bool for booleans.
(tee): Use ssize_t for read returns.
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main): Use bool for booleans.
(main): Don't dump core if invoked with argv[0]==NULL.
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errno_rmdir_non_empty, remove_parents, main): Use bool for booleans.
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(struct rm_options): Use bool for booleans.
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unchecked integer overflows in this file.
(gnu_extensions, auto_reference, input_reference, right_reference,
ignore_case, initialize_regex, fix_output_parameters,
output_one_roff_line, output_one_text_line, output_one_dumb_line, main):
Use bool for booleans.
(SKIP_SOMETHING, compare_words, digest_break_file,
find_occurs_in_text, fix_output_parameters):
Use to_uchar instead of a caset.
(print_field): Rewrite to avoid cast.
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(print_statfs): Print various gotta-be-nonnegative values using
unsigned long int, not long int or int.
(do_statfs, do_stat): Return a boolean success flag.
(do_stat, main): Use bool for booleans.
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Use bool for booleans.
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(isaac_seed_data, fillpattern, wipefile): Rewrite to avoid casts.
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(no_newline, verbose): Use bool for booleans.
(can_mode): Now of type int; use -1 to denote otherwise-uninitialized.
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