man/stap.1: small correction

This correction might be useful for those who want to parse the output.
Also add a small comment in stapsh.c to clarify the STAPSH_MAX_ARGS
comparison.

diff --git a/man/stap.1 b/man/stap.1
index 193731bfa9c15b1dbf1d3b9ee0ba7d04aebfb7da..5bde9bb77b94fd22278c8fa1cd27cb66b8bf83ed 100644 (file)
--- a/man/stap.1
+++ b/man/stap.1
@@ -540,7 +540,7 @@ URL is available as a special loopback mode to run on the local host.
 
 .TP
 .BI \-\-remote\-prefix
-Prefix each line of remote output with "N:", where N is the index of the remote
+Prefix each line of remote output with "N: ", where N is the index of the remote
 execution target from which the given line originated.
 
 .TP

diff --git a/staprun/stapsh.c b/staprun/stapsh.c
index b65b75ffc71ce27285e6ddf2adfd7c71bb8f8b6a..dbfac4c942474274e60edb05ea68e872f0c26573 100644 (file)
--- a/staprun/stapsh.c
+++ b/staprun/stapsh.c
@@ -337,6 +337,8 @@ do_run()
   char* arg;
   while ((arg = strtok(NULL, STAPSH_TOK_DELIM)))
     {
+      // check if we have space left
+      // note that we have to keep at least one 0 at the end for posix_spawn
       if (nargs + 1 > STAPSH_MAX_ARGS)
         return reply ("ERROR: too many arguments\n");
       if (qpdecode(arg) != 0)