From 3a4bdbcb848307f089c1dc06b63a0b7e3a43978b Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Thu, 21 Apr 2016 17:18:01 +0100
Subject: [PATCH] xscsize.c: Publish the output-format flags globally.

---
 xscsize.c | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/xscsize.c b/xscsize.c
index 19e5cca..0cd4cbd 100644
--- a/xscsize.c
+++ b/xscsize.c
@@ -35,6 +35,14 @@
 #include <mLib/mdwopt.h>
 #include <mLib/quis.h>
 
+/*----- Static variables --------------------------------------------------*/
+
+static unsigned int flags = 0;
+#define F_SH 1u
+#define F_CSH 2u
+#define F_SHELL 3u
+#define F_EXPORT 4u
+
 /*----- Main code ---------------------------------------------------------*/
 
 static void version(FILE *fp)
@@ -75,11 +83,7 @@ int main(int argc, char *argv[])
   unsigned long wd, ht;
   int sc;
 
-#define f_sh 1u
-#define f_csh 2u
-#define f_shell 3u
-#define f_export 4u
-#define f_bogus 8u
+#define f_bogus 1u
 
   /* --- Parse command line options --- */
 
@@ -104,9 +108,9 @@ int main(int argc, char *argv[])
       case 'u': usage(stdout); exit(0); break;
       case 'v': version(stdout); exit(0); break;
       case 'd': display = optarg; break;
-      case 'b': f |= f_sh; break;
-      case 'c': f |= f_csh; break;
-      case 'x': f |= f_export; break;
+      case 'b': flags |= F_SH; break;
+      case 'c': flags |= F_CSH; break;
+      case 'x': flags |= F_EXPORT; break;
       default: f |= f_bogus; break;
     }
   }
@@ -120,17 +124,14 @@ int main(int argc, char *argv[])
    * Otherwise assume it's Bourne.  This seems to work in practice.
    */
 
-  if (!(f & f_shell)) {
+  if (!(flags & F_SHELL)) {
     s = getenv("SHELL");
-    if (!s)
-      f |= f_sh;
-    if (strstr(s, "csh"))
-      f |= f_csh;
-    else
-      f |= f_sh;
+    if (!s) flags |= F_SH;
+    if (strstr(s, "csh")) flags |= F_CSH;
+    else flags |= F_SH;
   }
 
-  if ((f & f_sh) && (f & f_csh)) {
+  if ((flags & F_SH) && (flags & F_CSH)) {
     fprintf(stderr, "xscsize: make your mind up about your shell type\n");
     exit(EXIT_FAILURE);
   }
-- 
2.11.0