hare

commit 60d51baa0049f84de1af4d3c3b3c0dd6ad56bfae
parent a01f4b0ae68dfb85f02861d7a191f8829b0918f9
Author: Sebastian <sebastian@sebsite.pw>
Date:   Mon, 28 Mar 2022 21:04:12 -0400

strings: remove c_empty

This was convenient when Hare strings were null terminated, but it is no
longer needed, since "\0" can be used instead.

Signed-off-by: Sebastian <sebastian@sebsite.pw>

Diffstat:
M
os/exec/exec+linux.ha
 | 
2
+-
M
strings/cstrings.ha
 | 
7
-------

2 files changed, 1 insertion(+), 8 deletions(-)
diff --git a/os/exec/exec+linux.ha b/os/exec/exec+linux.ha
@@ -128,7 +128,7 @@ fn platform_exec(cmd: *command) error = {
 	};
 
 	return errors::errno(rt::execveat(cmd.platform,
-		strings::c_empty, argv: *[*]nullable *const char,
+		"\0", argv: *[*]nullable *const char,
 		envp: *[*]nullable *const char, rt::AT_EMPTY_PATH));
 };
 
diff --git a/strings/cstrings.ha b/strings/cstrings.ha
@@ -4,13 +4,6 @@
 // (c) 2022 Vlad-Stefan Harbuz <vlad@vladh.net>
 use encoding::utf8;
 use types;
-use rt;
-
-let emptybuf: [1]u8 = [0];
-
-// A C-compatible empty string. Empty Hare strings have a null pointer instead
-// of containing only '\0', so a special string is needed for this case.
-export let c_empty: *const char = &emptybuf: *[*]u8: *const char;
 
 // Computes the length of a NUL-terminated C string, in octets, in O(n). The
 // computed length does not include the NUL terminator.