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AH_VERBATIM really does output its argument verbatim.
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Fix and clarify time zone usage in 'date' examples.
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into the inner scope where they are used.
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In fact, remove t_errno altogether.
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have to be changed (soon after release), once ls is fixed.
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consistency with the other enum values.
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(long_options): Use it instead of 'H' for --si.
(decode_switches): Warn that -H will change soon.
(usage): Likewise.
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Now it prints a trailing `@'.
(gobble_file): Don't clobber lstat stats of command line
arguments when using -d and -F (--directory and --classify) options.
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(struct tempnode.next): Now volatile.
(zaptemp): Free the file name after removing it from the temp list,
not before, because a signal can arrive between the two actions
and cleanup () traverses the list.
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Also check for memory quotas.
Revamp storage management so that line tables and character data are
taken from the same buffer. Line tables are now in reverse order,
since they grow down while the character data grow up.
(<sys/resource.h>): Include if HAVE_SYS_RESOURCE_H.
(struct rlimit, getrlimit): Define a replacement if RLIMIT_DATA
is not defined.
(RLIMIT_AS): Define to RLIMIT_DATA if not defined.
(struct lines): Remove.
(struct buffer): New members nlines, line_bytes, eof.
Remove member newline_free; no longer needed, since the code no longer
runs out of line table space.
(SORTALLOC_MIN, SORTALLOC_DEFAULT_MIN): Remove.
(sort_size): Renamed from sortalloc; now applies to the sum of the
character data and the line table, not just the character data.
(MIN_SORT_SIZE, INPUT_FILE_SIZE_GUESS): New macros.
(linelength): remove.
(specify_sort_size): Don't worry about the distinction between the
character data and the line table; that is now the caller's
responsibility.
(default_sort_size): Return the value, instead of being executed for
side effect. Return half of available memory, or 1/16 of total memory,
whichever is greater; except do not exceed 1/2 of quota.
(sort_buffer_size): New function.
(initbuf): New arg LINE_BYTES. Ensure that the line array is properly
aligned. Initialize the new set of struct buffer members.
(buffer_linelim): New function.
(fillbuf): Return int, not size_t, since the callers merely care
whether the result is nonzero. New arg FILE so that error messages
can report the file name. Keep track of eof. Initialize the line
table too, taking its memory from the input buffer's memory; this
subsumes the old findlines function and removes the need for worrying
about running out of line table entries.
(checkfp, mergefps, sortlines, merge, sort): Adjust to the new storage
management regime, in particular the fact that line tables are now
filled in by fillbuf and are in reverse order.
(checkfp): Now takes char *, not const char *, since subroutines
require that now. Rewrite to avoid lint and duplicate code.
If line length alloc calculation overflows,
simply allocate enough memory to hold the line.
(mergefps): New arg FILES, used for buffer size calculation and error
messages. Rewrite to avoid lint. Do not loop if savealloc*2
overflows.
(mergefps, merge): Zap temporary files eagerly rather than lazily;
this is needed because we now pass FILES to mergefps.
(sortlines): Args now point at end of arrays, not at beginnings.
(sort): Do not allocate temporary line array for sortlines;
instead, take the space from the same buffer.
(main): Adjust to sort_size and default_sort_size changes.
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(wc): Rename local `wc' to avoid shadowing function name.
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(remove_file): Revert last change.
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around included file name.
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