os/os2: wasi target support

3 files changed, 38 insertions, 0 deletions

diff --git a/core/path/filepath/match.odin b/core/path/filepath/match.odin
index 003f8046d..1f0ac9287 100644
--- a/core/path/filepath/match.odin
+++ b/core/path/filepath/match.odin
@@ -1,3 +1,4 @@
+#+build !wasi
 package filepath
 
 import "core:os"
diff --git a/core/path/filepath/path_wasi.odin b/core/path/filepath/path_wasi.odin
new file mode 100644
index 000000000..74cc6ca1e
--- /dev/null
+++ b/core/path/filepath/path_wasi.odin
@@ -0,0 +1,36 @@
+package filepath
+
+import "base:runtime"
+
+import "core:strings"
+
+SEPARATOR :: '/'
+SEPARATOR_STRING :: `/`
+LIST_SEPARATOR :: ':'
+
+is_reserved_name :: proc(path: string) -> bool {
+	return false
+}
+
+is_abs :: proc(path: string) -> bool {
+	return strings.has_prefix(path, "/")
+}
+
+abs :: proc(path: string, allocator := context.allocator) -> (string, bool) {
+	if is_abs(path) {
+		return strings.clone(string(path), allocator), true
+	}
+
+	return path, false
+}
+
+join :: proc(elems: []string, allocator := context.allocator) -> (joined: string, err: runtime.Allocator_Error) #optional_allocator_error {
+	for e, i in elems {
+		if e != "" {
+			runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = context.temp_allocator == allocator)
+			p := strings.join(elems[i:], SEPARATOR_STRING, context.temp_allocator) or_return
+			return clean(p, allocator)
+		}
+	}
+	return "", nil
+}
diff --git a/core/path/filepath/walk.odin b/core/path/filepath/walk.odin
index 51dfa71d2..53b10eed7 100644
--- a/core/path/filepath/walk.odin
+++ b/core/path/filepath/walk.odin
@@ -1,3 +1,4 @@
+#+build !wasi
 package filepath
 
 import "core:os"