Added variable support

1 files changed, 9 insertions, 1 deletions

diff --git a/src/command.c b/src/command.c
index 20b00b1..3d63121 100644
--- a/src/command.c
+++ b/src/command.c
@@ -119,7 +119,15 @@ pid_t execute_command(command *cmd) {
       close(cmd->pipe[1]);
     }
     
-    execvp(cmd->command, cmd->args);
+    /* 
+     * NOTE: discarding the const qualifier here is okay because either
+     * 1) exec fails, in which case the process is aborted immediately
+     * 2) exec succeeds, in which case the memory is released immediately
+     *
+     * In either case, the args won't be accessed again.
+     */
+    execvp(cmd->command, (char**)cmd->args);
+
     perror("Could not run command");
     exit(EXIT_FAILURE);
   }  else if (res < 0) {