ref: 58633cbf5d7bbbf095787b7b01b6ad6b032def3c
parent: 0b3e6b3218f6cbcd0157265bfcf01df880a88ee7
author: Ori Bernstein <ori@markovcorp.com>
date: Thu Jan 25 13:33:17 EST 2018
Ensure null termination of environment list.
--- a/lib/std/env+posixy.myr
+++ b/lib/std/env+posixy.myr
@@ -10,6 +10,7 @@
use "sldup"
use "slcp"
use "sleq"
+use "slpush"
pkg std =
const getenv : (name : byte[:] -> option(byte[:]))
@@ -49,6 +50,9 @@
envdup()
idx = 0
for envp : environ
+ if envp == Zenvp
+ break
+ ;;
env = cstrconvp(envp)
n = min(name.len, env.len)
if sleq(name, env[:n]) && sleq(env[n:n+1], "=")
@@ -56,8 +60,8 @@
;;
idx++
;;
- if idx == environ.len
- slgrow(&environ, environ.len + 1)
+ if idx == environ.len - 1
+ slpush(&environ, (0 : byte#))
else
e = cstrconvp(environ[idx])
std.slfree(e)