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doesn't do [for efficiency reason, hash_interval does not deal with
empty strings not declared as intervals. More recent incarnations of
this code will use Var_Value_interval extensively instead]
Problem found by Peter Stromberg.
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open hashing.
An interesting optimization is that the open hashing interface is more
fine-grained, hence we can compute the correct hash value at the start
of Dir_FindFile, and reuse it for each hash structure into which we look
(the effect is measurable on large directories along with objdir/VPATH).
Remove a few unnecessary Lst_Open/Lst_Close that serve no purpose except
obfuscating the code.
The interface to dir.h changes slightly, hence tedious includes changes...
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- UNUSED macro that expands to __attribute__((unused)) for gcc
- move rcsid around so that they can be tagged UNUSED.
- activate -Wunused.
- use UNUSED instead of kludgy junk for function arguments.
- add extern to all extern prototypes.
- update comments in lst.h.
- clean up var.c a little bit, constifying arguments, updating comments...
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since lookup will start with VAR_CMD in any case.
This fixes VarFind and Var_Parse to handle ctxt == NULL correctly, and
replace those confusing VAR_CMD with proper NULL pointers.
This patch also handles three small details:
- .CURDIR is necessarily set in VAR_GLOBAL,
- suffix handling for archives copies two hard-coded variables, for
which it can use a quick path,
- typos in TargFreeGN.
Reviewed millert@, miod@.
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Lst_Init (constructor) and Lst_New (allocation + construction)
Lst_Destroy (destructor) and Lst_Delete (deallocation + destruction),
and uses that to turn most dynamic allocation of lists (Lst pointers)
into static structures (LIST).
Most of this is mundane, except for allGNs in targ.c, where the code must
be checked to verify that Targ_Init is called soon enough.
Lst_New is a temporary addition. All lists will soon be static.
Reviewed by millert@, like the previous patch.
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Give a trace of dangling .if in case of errors.
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They serve no purpose, except hiding potential bugs.
In particular, remove (ClientData) cast from macro, showing potentially
troublesome use of Hashes to store time_t.
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for reminding me.
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Get rid of them.
Get rid of list.h, nothing uses it anyway.
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This cuts down quite a lot of malloc, since in actual use,
buffer usage is mostly static.
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- CondGetArg needs to differentiate between empty strings and problems.
Returning problems as a separate boolean is cleaner anyway.
- Fix error in conditional parser which would overstep the ending 0, so
that a second zero would be needed.
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Actually, one of these needs to be there, because of two bugs in cond.c
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(idiotic to retrieve size every time when it's used half the time)
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- buf.c deals exclusively with chars. Be explicit about it, and remove
extraneous dumb casts to char (can hide real type errors).
- buffer sizes are size_t. Note that bp->left can never become NULL.
- Buf_GetAll is happy with a NULL pointer for the size, remove unneeded
extra pointers.
- Propagate size_t to all places where buffer functions are used.
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- don't interfere with MACHINE/MACHINE_ARCH defines for bootstrap
- type clean-up, time_t, and printing `unknown' ints
- fix TARGET/MEMBER bug in archive rules
- memmove...
- cleaner Error handler.
- reentrant brk_string
- .MAKE env variable
- preliminary scaffolding for .NOPATH
Other improvements:
- efree
- shellneed streamlined
- display Stop in .CURDIR after an error.
- document most features and misfeatures.
- add a few OpenBSD notes to the tutorial.
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- Merge in FreeBSD and Lite2 changes.
- Fix bug where a non-archive target with a .a suffix would always
be considered to be out of date, since it does not have a TOC.
- Fix NetBSD PR #2930: declare missing variable.
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