From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 15 Aug 2022 15:50:10 +0000 (+0100)
Subject: prefork-interp: require -U (for future-proofing)
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=8e636bc949ae29795a67f9dfa7e18d12fc865c83;hp=a8cbf7f35996c93079752bfa39dc43ea7e4f2956;p=chiark-utils.git

prefork-interp: require -U (for future-proofing)

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/cprogs/prefork-interp.c b/cprogs/prefork-interp.c
index 6ee253f..dfc8aca 100644
--- a/cprogs/prefork-interp.c
+++ b/cprogs/prefork-interp.c
@@ -95,8 +95,11 @@ void fusagemessage(FILE *f) {
   fprintf(f, "usage: #!/usr/bin/prefork-interp [<options>]\n");
 }
 
+static int laundering;
+
 const struct cmdinfo cmdinfos[]= {
   PREFORK_CMDINFOS
+  { 0, 'U',   0,                    .iassignto= &laundering,    .arg= 'U' },
   { 0 }
 };
 
@@ -381,6 +384,11 @@ static FILE *connect_or_spawn(void) {
 }
 
 static void make_executor_argv(const char *const *argv) {
+  switch (laundering) {
+  case 'U': break;
+  default: die("need -U (specifying unlaundered argument handling)");
+  }
+
   const char *arg;
   #define EACH_NEW_ARG(EACH) {			\
     arg = interp; { EACH }			\