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package libc
// 7.5 Errors
when ODIN_OS == "windows" {
foreign import libc "system:libucrt.lib"
} else {
foreign import libc "system:c"
}
// C11 standard only requires the definition of:
// EDOM,
// EILSEQ
// ERANGE
when ODIN_OS == "linux" || ODIN_OS == "freebsd" {
@(private="file")
@(default_calling_convention="c")
foreign libc {
@(link_name="__libc_errno_location")
_get_errno :: proc() -> ^int ---;
}
EDOM :: 33;
EILSEQ :: 84;
ERANGE :: 34;
}
when ODIN_OS == "windows" {
@(private="file")
@(default_calling_convention="c")
foreign libc {
@(link_name="_errno")
_get_errno :: proc() -> ^int ---;
}
EDOM :: 33;
EILSEQ :: 42;
ERANGE :: 34;
}
// Odin has no way to make an identifier "errno" behave as a function call to
// read the value, or to produce an lvalue such that you can assign a different
// error value to errno. To work around this, just expose it as a function like
// it actually is.
errno :: #force_inline proc() -> ^int {
return _get_errno();
}
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