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fix core:c/libc.errno link_name for Linux and FreeBSD

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Although the FreeBSD link matches Darwin, its EILSEQ still matches Linux.

Confirmed with the following program:

```odin
package main
import "core:c/libc"

main :: proc() {
	libc.printf("%d\n", libc.errno()^) // 0
	_ = libc.fopen("nonexistent file", "r")
	libc.printf("%d\n", libc.errno()^) // 2
}
```

on Linux:

	Odin: dev-2022-10:075040ae
	OS:   Manjaro Linux, Linux 5.10.147-1-MANJARO
	CPU:  Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
	RAM:  15953 MiB

and FreeBSD:

	Odin: dev-2022-10:075040ae
	OS:   FreeBSD: Unknown
	CPU:  Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
	RAM:  990 MiB

FreeBSD uname -r: 13.0-RELEASE
This commit is contained in:
Julian Fondren
2022-10-17 22:32:10 -05:00
parent 075040ae05
commit 9f55404845
1 changed files with 15 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
core/c/libc/errno.odin
+15 -2
View File
@@ -14,11 +14,24 @@ when ODIN_OS == .Windows {
// EDOM, // EDOM,
// EILSEQ // EILSEQ
// ERANGE // ERANGE
when ODIN_OS == .Linux || ODIN_OS == .FreeBSD { when ODIN_OS == .Linux {
@(private="file") @(private="file")
@(default_calling_convention="c") @(default_calling_convention="c")
foreign libc { foreign libc {
@(link_name="__libc_errno_location") @(link_name="__errno_location")
_get_errno :: proc() -> ^int ---
}
EDOM :: 33
EILSEQ :: 84
ERANGE :: 34
}
when ODIN_OS == .FreeBSD {
@(private="file")
@(default_calling_convention="c")
foreign libc {
@(link_name="__error")
_get_errno :: proc() -> ^int --- _get_errno :: proc() -> ^int ---
} }