hare

commit b130ed190a61b619975f39c86f70f862ab437d53
parent d18f3ec2103fed68810def03e43abf891e44ce3f
Author: Drew DeVault <sir@cmpwn.com>
Date:   Fri, 12 Mar 2021 12:19:42 -0500

os::exec: add setname

This overrides argv[0] for the subprocess

Diffstat:
M
os/exec/cmd.ha
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/os/exec/cmd.ha b/os/exec/cmd.ha
@@ -35,6 +35,12 @@ export fn cmd(name: str, args: str...) (command | error) = {
 	return cmd;
 };
 
+// Sets the 0th value of argv for this command. It is uncommon to need this.
+export fn setname(cmd: *command, name: str) void = {
+	free(cmd.argv[0]);
+	cmd.argv[0] = name;
+};
+
 // Frees state associated with a command. You only need to call this if you do
 // not execute the command with [exec] or [start]; in those cases the state is
 // cleaned up for you.