support read error in shell_eval

2012-03-08 21:15:37 +00:00 · 2012-03-08 21:15:37 +00:00 · f2fd2b125a
commit f2fd2b125a
parent 97648b1fda
1 changed files with 4 additions and 0 deletions
--- a/src/command_manager.cc
+++ b/src/command_manager.cc
@ -116,7 +116,11 @@ static void shell_eval(std::vector<std::string>& params,
        std::string output;
        char buffer[1024];
        while (size_t size = read(read_pipe[0], buffer, 1024))
+        {
+            if (size == -1)
+                break;
            output += std::string(buffer, buffer+size);
+        }
        close(read_pipe[0]);
        waitpid(pid, NULL, 0);