V5.3 #26
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V5.3 #26
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This is the first commit for the branch Lua 5.3. All source files were copied from the official distribution of 5.3.5 in the Lua site. The test files are the same of 5.3.4. The manual came from the previous RCS repository, revision 1.167.1.2.
A long bracket with too many equal signs can overflow the 'int' used for the counting and some arithmetic done on the value. Changing the counter to 'size_t' avoids that. (Because what is counted goes to a buffer, an overflow in the counter will first raise a buffer-overflow error.)
Bug-fix: joining an upvalue with itself could cause a use-after-free crash.
The result of 'string.format("%a", 0.0)' can have multiple zeros
after the dot.
The file 'bugs' reports bugs in several different versions (corresponding to different branches in the repository), without a clear division of "this bugs belongs to this version". So, it doesn't make sense to track it along with one (or many) versions.
While building a new prototype, the GC needs barriers for every object (strings and nested prototypes) that is attached to the new prototype.
According to ISO C, 'realloc' can fail when shrinking a block. If that happens, 'l_alloc' simply ignores the fail and returns the original block.
This directory is used for some tests. As standard Lua has no command to create directories, it must be present before running the tests.
When "undumping" a long string, the function 'LoadVector' can call the reader function, which can run the garbage collector, which can collect the string being read. So, the string must be anchored during the call to 'LoadVector'. (This commit also fixes the identation in 'l_alloc'.)
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lua.c(159,28): error C2440: “函数”: 无法从“void (__stdcall *)(int)”转换为“void (__cdecl *)(int)”