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for "group ID".
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(check_file): Don't assume fopen cannot return stdin or stdout.
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removed.
(tsort): Do not assume fopen can't return stdin.
Close stdin before returning. All uses changed.
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(touch): Use fd_safer.
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(tee): Use fopen_safer.
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(recheck, tail_file): Use fd_safer rather than open_safer.
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(copy_to_temp): Use fd_safer.
(tac_file): Don't assume fopen cannot return stdin.
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Use same pattern as elsewhere for checking for stdin.
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(cwrite): Use fd_safer. Replace mystery constant 0666 with symbolic
version, as POSIX requires.
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(create_temp_file): Use fd_safer.
(xfclose): Don't assume fileno (stdin) == STDIN_FILENO, etc.
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(wipename): Use fd_safer on directory file descriptor.
(wipefile): Remove special case for /dev/fd/* on older hosts.
It didn't work in general, and wasn't documented.
Use fd_safer.
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stdout. Use freopen instead.
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(open_file): Use fopen_safer.
(close_file): Don't assume fopen does not return stdin.
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(main): Don't dup stderr to stdin or stdout by mistake.
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Don't assume that fopen does not return stdin.
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(main): Use fopen_safer. Simplify the resulting code.
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(input_desc): Remove unnecessary static initialization.
(set_input_file): Use STDIN_FILENO, not 0.
(create_output_file): Use fopen_safer.
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(copy_reg): Use fd_safer.
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(compare_files): Exit right away on I/O error rather than continuing
and producing confusing output and error messages.
Return void, not int; all callers changed.
Use fopen_safer to avoid confusion with file descriptors.
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Don't close STDOUT_FILENO explicitly; close_stdout does it.
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Now that close_stdout closes standard output unconditionally,
these workarounds for dd and cat are no longer necessary.
(close_stdout_wrapper): Remove function.
(main): Call atexit with close_stdout, instead.
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Change this:
# define __attribute__(x)
to this:
# define __attribute__(x) /* empty */
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directories too, not just their contents.
Say that by default, rm does not remove directories.
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arithmetic on it.
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All uses changed.
(siginterrupt) [! HAVE_SIGINTERRUPT]: New macro.
(main) [! SA_NOCLDSTOP]: Use it.
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/dev/random and don't need this gorp.
Do not include signal.h.
(env, sigill_handler, isaac_seed_machdep): Remove. All uses removed.
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All uses changed.
(siginterrupt) [! HAVE_SIGINTERRUPT]: New macro.
(main) [! SA_NOCLDSTOP]: Use it.
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(process_signals): Add forward decl.
(SA_NOCLDSTOP, sigprocmask, sigset_t) [!defined SA_NOCLDSTOP]:
New macros.
(siginterrupt) [! HAVE_SIGINTERRUPT]: New macro.
(SA_NODEFER) [!defined SA_NODEFER]: New macro.
(SA_RESETHAND) [!defined SA_RESETHAND]: New macro.
(caught_signals, interrupt_signal, info_signal_count, catch_siginfo):
New vars.
(usage): Mention -USR1 versus -INFO.
(cleanup): Don't invoke print_stats; the caller must do it now.
All callers changed.
(quit): Process signals just before exiting.
(interrupt_handler): Simply record the signal and return.
(siginfo_handler): Simply increment the signal counter and return.
(install_handler): Remove, replacing with:
(install_signal_handlers, process_signals, iread, iwrite):
New functions. All callers to safe_read and full_write replaced
by iread and iwrite. All callers to install_handler replaced by
install_handlers.
Do not include inttostr.h, no longer needed.
(print_stats, main): Rewrite and simplify formats to use PRIuMAX
instead of umaxtostr.
(print_stats): Work even in languages that have special
forms for two of things, for r_truncate and w_bytes. We can't
fix delta_s in this way, since ngettext doesn't support floating-point.
(main): Rewrite to avoid casts.
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All uses changed.
(siginterrupt) [!HAVE_SIGINTERRUPT]: New macro.
(delete_all_files): New arg IN_SIGNAL_HANDLER, to avoid undefined
behavior when called from a signal handler. All uses changed.
(main) [!defined SA_NOCLDSTOP]:
Use siginterrupt to specify that system calls should be interrupted.
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(binop): ...remove prototype.
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built-in function by the same name.
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leave this job to close_stdout() instead.
From Dmitry V. Levin.
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