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Problem with autoconf noticed by d@
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functionality.
* regular expressions,
* line-number reporting
* `meta'-macros, builtin and indir.
Reviewed by pjanzen@, tested by fries@ and a few others.
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the file name and line number.
This yields more meaningful error messages, and the possibility for yet
more.
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themselves, with the proper quotes added.
Matches gnu-m4, not Solaris nor FreeBSD... better for robustness, as
it makes for more transparent expansions.
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Trying to expand them is.
So flag obvious recursive definitions for later, and give an error
only if we expand them.
(Some gnu-m4 files, including autoconf, do define some macros with
themselves as the replacement text, for use in test-if-set patterns)
Since type is no longer MACRTYPE, those macros end up in builtins...
but this is not a problem, since expanding them is an error.
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- use strlcpy to make clear that the strings are line terminated,
- remove the number of magic constants,
- use assert() for preconditions,
- use puts instead of looping over array of chars...
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Add missing prototypes,
Make local functions static,
Sort extern.h by file,
Constify all char * that can be,
Copy temp file name so that eval does not modify its arguments.
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Let indx match netbsd flavor, to simplify diffs.
Show how many quotes were not closed.
Increase stack slightly, now that we're no longer bound by argspace.
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Simply put, mkstemp/unlink/rewind has the proper semantics under Unix,
and so we don't have to keep track about temp file names and remove them.
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- use err.h and kill oops,
- use __progname and kill basename,
- let indx use strstr
- proper EOS decl
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it uses pbstr() instead of doing the characters individually (in
reverse order) with putback(); cgd
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range 0..9, changequote(,) is now a synonym for changequote, buffer
size for translit() enlarged to handle a full string
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Implement `$@' macro, as promised by the manual page (NetBSD PR#2914).
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Handle multichar comment and quote delimiters (up to 5 characters, per the
manual page). Takes care of PR#485.
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