From 6a32ada5270c5a948f939b7f14be17c3fba646f0 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Mon, 28 Mar 2022 10:43:10 -0400
Subject: remove more global variables

---
 menudriver.c | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/menudriver.c b/menudriver.c
index 17e2272..af47f54 100644
--- a/menudriver.c
+++ b/menudriver.c
@@ -11,13 +11,13 @@
 
 #include <errno.h>
 #include <limits.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/stat.h>
-#include <unistd.h>
 #include <sys/wait.h>
-#include <string.h>
-#include <signal.h>
+#include <unistd.h>
 
 #ifndef PATH_MAX
 #ifdef _XOPEN_PATH_MAX
@@ -46,8 +46,7 @@ void poplast(void);
 void settings(const char *, const char *, int);
 int subdir(void);
 
-char next[40] = "", cmd[80], last[40] = ".";
-int val;
+char next[40] = "", last[40] = ".";
 
 static void wait_for_return(void)
 {
@@ -58,12 +57,12 @@ static void wait_for_return(void)
   }
 }
 
-static void view_menu(const char *command, const char *filename)
+static void view_menu(const char *viewer, const char *filename)
 {
-  if (command) {
-    char buf[PATH_MAX];
-    snprintf(buf, sizeof(buf), "%s %s", command, filename);
-    system(buf);
+  if (viewer) {
+    char cmd[PATH_MAX];
+    snprintf(cmd, sizeof(cmd), "%s %s", viewer, filename);
+    system(cmd);
     return;
   }
 
@@ -99,7 +98,7 @@ static void view_file(const char *viewer, const char *filename)
   if (st.st_mode & S_IXUSR) {
 #endif
     snprintf(cmd, sizeof(cmd), "./%s", filename);
-    fastback = 0;
+    //fastback = 0;
   } else {
     snprintf(cmd, sizeof(cmd), "%s %s", viewer, filename);
   }
@@ -116,10 +115,13 @@ int main(int argc, char *argv[])
   char *viewer = getenv("VIEWER");
   char *fb = getenv("RETURNTOMENU");
   char *menuviewer = getenv("MENUVIEWER");
+  char *dir = ".";
 
   if (argc > 2) {
     fprintf(stderr, "menudriver: wrong number of args\n");
     exit(1);
+  } else if (argc == 2) {
+    dir = argv[1];
   }
 
   if (!viewer) {
@@ -130,13 +132,14 @@ int main(int argc, char *argv[])
     fastback = !(*fb == 'N' || *fb == 'n');
   }
 
-  menudrive(menuviewer, viewer, argc == 1 ? "." : argv[1]);
+  menudrive(menuviewer, viewer, dir);
 }
 
 /* checks if last is a number (and if so leaves value in val) */
 int lastval(void)
 {
   /* special case, have just entered subdir */
+  int val;
   if (strcmp(last, ".") == 0 && subdir()) {
     poplast();
 
@@ -216,11 +219,11 @@ void menudrive(const char *menuviewer, const char *viewer, char *dir)
     }
 
     if (strcmp(next, "+") == 0 && lastval()) {
-      (void)sprintf(next, "%d", val + 1);
+      (void)sprintf(next, "%d", atoi(last) + 1);
     }
 
     if (strcmp(next, "-") == 0 && lastval()) {
-      (void)sprintf(next, "%d", val - 1);
+      (void)sprintf(next, "%d", atoi(last) - 1);
     }
 
     if (stat(next, &st) == 0) {
@@ -232,7 +235,8 @@ void menudrive(const char *menuviewer, const char *viewer, char *dir)
       if (S_ISDIR(st.st_mode)) {	/* directory */
 	char hold[PATH_MAX];
 	if (!getcwd(hold, sizeof(hold))) {
-	  fprintf(stderr, "panic: cwd too long\n"), exit(1);
+	  fprintf(stderr, "panic: cwd too long\n");
+          exit(1);
         }
 
 	if (chdir(next) == -1 || stat("contents", &st)) {
@@ -408,7 +412,6 @@ void pushlast(void)
     return;
   }
 
-  /* suppressed 'cos interferes with special case in lastval() */
   strcpy(lastp, last);
   lastp += n + 1;
   strcpy(last, ".");
-- 
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