zig

commit 7439eb5e99ba98bbdb2a0d0d71535e57d13f3c6e (tree)
parent dc9472964325743e3f9e7f3cedfb942b5f44ad14
Author: David CARLIER <devnexen@gmail.com>
Date:   Mon, 24 Apr 2023 20:35:51 +0100

std.os: selfExePath implementation for haiku

Diffstat:
M
lib/std/fs.zig
 | 
11
++++++++++-

1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/lib/std/fs.zig b/lib/std/fs.zig
@@ -2913,6 +2913,7 @@ pub const OpenSelfExeError = error{
     /// On Windows, file paths cannot contain these characters:
     /// '/', '*', '?', '"', '<', '>', '|'
     BadPathName,
+    Overflow,
     Unexpected,
 } || os.OpenError || SelfExePathError || os.FlockError;
 
@@ -2991,7 +2992,15 @@ pub fn selfExePath(out_buffer: []u8) SelfExePathError![]u8 {
             // TODO could this slice from 0 to out_len instead?
             return mem.sliceTo(out_buffer, 0);
         },
-        .openbsd, .haiku => {
+        .haiku => {
+            // The only possible issue when looking for the self image path is
+            // when the buffer is too short.
+            // TODO replace with proper constants
+            if (os.find_path(null, 1000, null, out_buffer.ptr, out_buffer.len) != 0)
+                return error.Overflow;
+            return mem.sliceTo(out_buffer, 0);
+        },
+        .openbsd => {
             // OpenBSD doesn't support getting the path of a running process, so try to guess it
             if (os.argv.len == 0)
                 return error.FileNotFound;