Add support for querying client environement variables

At connection, a remote client sends all its environement to the
server, which then provides access to client env through
kak_client_env_VAR_NAME variables in the shell.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/env_vars.cc b/src/env_vars.cc
new file mode 100644
index 00000000..d6c04fa3
--- /dev/null
+++ b/src/env_vars.cc
@@ -0,0 +1,20 @@
+#include "env_vars.hh"
+
+namespace Kakoune
+{
+
+EnvVarMap get_env_vars()
+{
+    EnvVarMap env_vars;
+    for (char** it = environ; *it; ++it)
+    {
+        const char* name = *it;
+        const char* value = name;
+        while (*value != 0 and *value != '=')
+            ++value;
+        env_vars[String{name, value}] = (*value == '=') ? value+1 : value;
+    }
+    return env_vars;
+}
+
+}