From d37635b0ddebbe2ddeaafc38d59b7e340f883273 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 22 Mar 2016 14:23:41 +0000
Subject: [PATCH] cgi-fcgi-interp: fix -M to actually work

---
 cprogs/cgi-fcgi-interp.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/cprogs/cgi-fcgi-interp.c b/cprogs/cgi-fcgi-interp.c
index 1e368f0..9ebad2b 100644
--- a/cprogs/cgi-fcgi-interp.c
+++ b/cprogs/cgi-fcgi-interp.c
@@ -76,6 +76,7 @@
 #include <errno.h>
 #include <stdbool.h>
 #include <assert.h>
+#include <limits.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -114,12 +115,21 @@ static void of_help(const struct cmdinfo *ci, const char *val) {
   exit(0);
 }
 
+static void of_iassign(const struct cmdinfo *ci, const char *val) {
+  long v;
+  char *ep;
+  errno= 0; v= strtol(val,&ep,10);
+  if (!*val || *ep || errno || v<INT_MIN || v>INT_MAX)
+    badusage("bad integer argument `%s' for --%s",val,ci->olong);
+  *ci->iassignto = v;
+}
+
 #define MAX_OPTS 5
 
 static const struct cmdinfo cmdinfos[]= {
   { "help",   0, .call= of_help               },
   { 0, 'g',   1, .sassignto= &ident           },
-  { 0, 'M',   1, .iassignto= &numservers      },
+  { 0, 'M',   1, .call=of_iassign, .iassignto= &numservers      },
   { 0 }
 };
 
-- 
2.30.2