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The division approximation broke down for 5x7 scaling,
so adjust it to be right.
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This works in practice but is explicitly forbidden in C99, C11 and C17 alike:
> 7.20.5/7.22.5 Searching and sorting utilities
>
> [...] Where an argument declared as size_t nmemb specifies the length
> of the array for a function, nmemb can have the value zero on a call to
> that function; the comparison function is not called, [...] and sorting
> performs no rearrangement. Pointer arguments on such a call shall still
> have valid values, as described in 7.1.4.
> 7.1.4 Use of library functions
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> [...] If an argument to a function has an invalid value (such as [...]
> a null pointer [...]) [...], the behavior is undefined. If a function
> argument is described as being an array, the pointer actually passed
> to the function shall have a value such that all address computations
> and accesses to objects (that would be valid if the pointer did point
> to the first element of such an array) are in fact valid.
In contrast, qsort_s explicitly allows the array pointer argument to be
NULL when nmemb == 0 (see C11/C17 K.3.6.3 Searching and sorting utilities).
Fixes CID 402901 found by Coverity Scan.
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Non-recursive Makefiles allow better and more robust automatic
dependency resolution and higher parallelism for shorter build-times.
This change keeps all locations of the non-installed targets unchanged
for minimal firction. Calling make from subdirectories no longer works,
but instead the specific build targets can be invoked directly from the
toplevel.
If we bumped the required Automake version to 1.13+, the library
fragment could use %reldir% or %D% to be unaffected by potential
future directory moves, but it is unlikely we'll ever change the
location or name of the libass directory.
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This is undefined behaviour even if most libcs handle it gracefully.
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Empty identifier lists are an obsolescent feature
and gcc complains about them with -Wstrict-prototypes.
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To use Microsoft's _mkdir one must include direct.h, not sys/stat.h as
for POSIX's mkdir. This is still true with modern MinGW headers used.
The sys/stat.h include remains required for stat.
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Replace missing strndup() with its standard C equivalent
and circumvent unimplemented second argument of mkdir().
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It's technically more correct.
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Previously only both only worked when ass_set_fonts was called after all
embedded and memory fonts were already added. Especially for embedded
fonts this meant it won't work for most users, except mpv, including our
own utilities, even if extract_fonts was set.
Now that it works, enable extract_fonts in our utilities.
GitHub: fixes #266
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Both parameters are copied and are immutable. Make it clear through the
function prototype
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This is a measure to facilitate testing with different script
and video resolutions. The target PNG file size (unscaled)
is used as video size.
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Padding should be 3 digits not 4, otherwise 2252ms are displayed as
'0:00:02.0252' instead of '0:00:02.252'.
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`test` subdirectory contains complete test example.
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