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74 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
59c88f846d Broadening the use of branch hints 
More uses of macros 'likely'/'unlikely' (renamed to
'l_likely'/'l_unlikely'), both in range (extended to the
libraries) and in scope (extended to hooks, stack growth).
 2021-02-24 11:14:44 -03:00
Roberto Ierusalimschy
efcf24be0c 'luaL_execresult' does not assume -1 status as error 
ISO C is silent about the return of 'system'. Windows sets 'errno' in
case of errors. Linux has several different error cases, with different
return values. ISO C allows 'system' to set 'errno' even if there are no
errors. Here we assume that a status==0 is success (which is the case
on several platforms), otherwise it is an error. If there is an error
number, gives the error based on it. (The worst a spurious 'errno'
can do is to generate a bad error message.) Otherwise uses the normal
results.
 2020-05-22 15:39:29 -03:00
Roberto Ierusalimschy
0ddc0f47bd Several details about 5.4.0 rc1 
Corrected several small details: added 'const', adjusts in tabs x
spaces, removed unused #includes and #defines, misspellings, etc.
 2020-04-23 14:48:15 -03:00
Roberto Ierusalimschy
bd1b87c579 Comments (mosty typos) 2019-12-30 11:45:08 -03:00
Roberto Ierusalimschy
0eb6aa4013 Some improvements in date/time functions 
- Range in date table extended to full 32 bits.
- Easier support for times represented as floats.
- Added more tests.
 2019-07-24 15:01:59 -03:00
Roberto Ierusalimschy
2fc6b55dae Removed resource-related "emergency collections" 
New to-be-closed variables is a better way to ensure the proper release
of resources.
 2018-10-31 16:25:29 -03:00
Roberto Ierusalimschy
3d838f635c Added "emergency collection" to 'io.tmpfile' and 'os.tmpname' 
These operations also can give errors for lack of resources, so they
also will try "emergency collections" in case of resource errors.
Because there are now two libraries with that kind of handling,
'resourcetryagain' was moved to the auxiliary library to be shared
by the libraries.
 2018-07-27 15:50:53 -03:00
Roberto Ierusalimschy
e885dee5ab File operations try an "emergency collection" when failing 
If a file operation fails do to lack of resources (too many open
files or not enough memory), it does a full garbage collection and
tries the operation again. Lack of resources are "too many open
files" (process wise and system wise) and "not enough memory".
The code is full of '#if's because error codes are not part
of the standard ISO C.
 2018-07-25 11:44:46 -03:00
Roberto Ierusalimschy
1a1b2f3d7f added 'return' to calls to 'luaL_error' (to signal to the compiler 
that the function cannot continue past that call)
 2017-03-14 09:40:44 -03:00
Roberto Ierusalimschy
de96e26afc bug: 'checkoption' could read past end of string + 'os.date' can 
handle embedded zeros
 2016-07-18 14:58:58 -03:00
Roberto Ierusalimschy
48baa5e89c 'os.time(t)' normalizes 't' fields 2016-04-18 10:06:55 -03:00
Roberto Ierusalimschy
5f3ad5731e simpler yet definition for 'checkoption' 2016-02-09 10:16:11 -02:00
Roberto Ierusalimschy
494e9ba0f4 simpler code for 'checkoption' + added conversion specifiers specific 
to Windows
 2016-02-08 12:42:46 -02:00
Roberto Ierusalimschy
9945253d57 details (comments + text of error messages) 2016-01-06 11:43:05 -02:00
Roberto Ierusalimschy
d103312661 details (typos in comments) 2015-11-19 17:16:22 -02:00
Roberto Ierusalimschy
403e181d81 'strftime' puts its result directly into 'lua_Buffer' 2015-07-06 12:16:51 -03:00
Roberto Ierusalimschy
4af03c5ae1 better treatment for integer overflows + all errors throw an error 
(instead of returning nil)
 2015-07-04 13:35:14 -03:00
Roberto Ierusalimschy
0d4a1f71db re-organization of initial configuration options 2015-04-10 14:41:04 -03:00
Roberto Ierusalimschy
0705e7b39f detail (no need to write 'double' in source) 2015-02-09 15:41:54 -02:00
Roberto Ierusalimschy
f31cc8e342 typo in error message 2015-01-12 17:32:32 -02:00
Roberto Ierusalimschy
900bdd5761 detail (to avoid warnings) 2014-12-26 12:46:07 -02:00
Roberto Ierusalimschy
81ecaf6178 new specifiers in 'strftime' are defined in C99 (not Posix) 2014-12-10 13:42:42 -02:00
Roberto Ierusalimschy
e75c0148c3 comments (references to "ANSI C" changed to "ISO C", which is the 
international name
 2014-11-02 17:33:33 -02:00
Roberto Ierusalimschy
28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00
Roberto Ierusalimschy
bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy
f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy
65ec3379b1 added some casts for the cases when lua_Number != double 2014-10-08 16:57:31 -03:00
Roberto Ierusalimschy
798660c9cd deprecated "cast macros" ('luaL_checkint', 'luaL_optint', etc.) 2014-10-01 08:54:56 -03:00
Roberto Ierusalimschy
a0d4f0fc8a template for 'mkstemp' is configurable (via LUA_TMPNAMTEMPLATE) 2014-04-29 14:05:13 -03:00
Roberto Ierusalimschy
469daa16ee configuration for Lua type corresponding to 'time_t' 2014-03-20 16:18:54 -03:00
Roberto Ierusalimschy
a3addae036 lua_gettable and similars return type of gotten value 2014-03-12 17:57:40 -03:00
Roberto Ierusalimschy
986c11daa6 removal of weird construction in definition of LUA_STRFTIMEOPTIONS 
(two empty strings concatenated as in "" "")
 2014-02-26 12:55:58 -03:00
Roberto Ierusalimschy
c6c41e85b2 more uniformity for defining system-dependent features 2014-02-26 12:27:56 -03:00
Roberto Ierusalimschy
4ad9970649 uses integers for time 2013-05-14 12:57:11 -03:00
Roberto Ierusalimschy
bc84180d12 error message in 'os.rename' does not include file name, because error 
may be caused both by 'fromname' or 'toname'
 2012-10-19 12:54:02 -03:00
Roberto Ierusalimschy
054c20cd5b spaces -> tabs in #defines 2012-05-23 12:37:09 -03:00
Roberto Ierusalimschy
0f388193b3 'lUA' -> 'LUA' 2011-11-30 10:35:05 -02:00
Roberto Ierusalimschy
7948b8568e when available, use '*_r' versions of 'gmtime' and 'localtime' 2011-11-29 15:15:42 -02:00
Roberto Ierusalimschy
61b1d9a466 another try to avoid warnings about unreachable 'return' after 'exit' 2011-11-29 13:55:51 -02:00
Roberto Ierusalimschy
43f13729a2 comment 2011-06-20 13:50:59 -03:00
Roberto Ierusalimschy
d806710ab5 returns for file-related functions and process-related functions 
unified in 'auxlib'
 2011-03-03 13:34:46 -03:00
Roberto Ierusalimschy
c4ea0c3b29 detail (cleaning trailing spaces) 2011-01-26 14:30:02 -02:00
Roberto Ierusalimschy
8bc33a088c 'os.exit' acceps booleans as status (for EXIT_SUCESS and EXIT_FAILURE) 2010-10-05 09:18:03 -03:00
Roberto Ierusalimschy
a9dc7c8828 functions lua_tonumber/lua_tointeger replaced by lua_tonumberx/lua_tointegerx 
that have an extra out parameter with conversion status
 2010-07-02 14:35:06 -03:00
Roberto Ierusalimschy
7192afafee new module policy: C modules do not create globals and do not register 
themselves with 'require' (let 'require' do its work); new auxiliary
functions luaL_newlib/luaL_newlibtable/luaL_setfuncs/luaL_requiref.
Old luaL_register will be deprecated.
 2010-07-02 08:38:13 -03:00
Roberto Ierusalimschy
b3b8dfaaea yet more options moved from luaconf.h into internal files 2009-12-17 11:08:51 -02:00
Roberto Ierusalimschy
de6fc75d63 several configuration options that do not change often moved out of 
luaconf.h and into more internal files
 2009-12-17 10:26:09 -02:00
Roberto Ierusalimschy
a6f465f558 new mark LUAMOD_API for all luaopen_* functions 2009-11-24 10:05:44 -02:00
Roberto Ierusalimschy
9a41506b8f 'os.exit' should close state only when second argument is true 2009-11-23 16:20:38 -02:00
Roberto Ierusalimschy
f096ab5421 correct way to check arguments to 'strftime' 2009-08-25 16:58:08 -03:00