(mc_global_t::shell): new member to store user's shell

...instead of global variable "shell".

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

lib/global.c

@@ -94,6 +94,8 @@ mc_global_t mc_global = {
         .subshell_pty = 0,
 #endif /* !ENABLE_SUBSHELL */
 
+        .shell = NULL,
+
         .xterm_flag = FALSE,
         .disable_x11 = FALSE,
         .slow_terminal = FALSE,

lib/global.h

@@ -244,6 +244,9 @@ typedef struct
         int subshell_pty;
 #endif                          /* !ENABLE_SUBSHELL */
 
+        /* The user's shell */
+        char *shell;
+
         /* This flag is set by xterm detection routine in function main() */
         /* It is used by function view_other_cmd() */
         gboolean xterm_flag;

src/clipboard.c

@@ -36,7 +36,6 @@
 
 #include "lib/vfs/vfs.h"
 
-#include "setup.h"
 #include "src/execute.h"
 
 #include "clipboard.h"
@@ -81,7 +80,7 @@ clipboard_file_to_ext_clip (const gchar * event_group_name, const gchar * event_
     cmd = g_strconcat (clipboard_store_path, " ", tmp, " 2>/dev/null", (char *) NULL);
 
     if (cmd != NULL)
-        res = my_system (EXECUTE_AS_SHELL, shell, cmd);
+        res = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
 
     g_free (cmd);
     g_free (tmp);
@@ -111,7 +110,7 @@ clipboard_file_from_ext_clip (const gchar * event_group_name, const gchar * even
     cmd = g_strconcat (clipboard_paste_path, " > ", tmp, " 2>/dev/null", (char *) NULL);
 
     if (cmd != NULL)
-        res = my_system (EXECUTE_AS_SHELL, shell, cmd);
+        res = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
 
     g_free (cmd);
     g_free (tmp);

src/execute.c

@@ -129,7 +129,7 @@ do_possible_cd (const vfs_path_t * new_dir_vpath)
 /* --------------------------------------------------------------------------------------------- */
 
 static void
-do_execute (const char *lc_shell, const char *command, int flags)
+do_execute (const char *shell, const char *command, int flags)
 {
 #ifdef ENABLE_SUBSHELL
     vfs_path_t *new_dir_vpath = NULL;
@@ -161,7 +161,7 @@ do_execute (const char *lc_shell, const char *command, int flags)
     }
     else
 #endif /* ENABLE_SUBSHELL */
-        my_system (flags, lc_shell, command);
+        my_system (flags, shell, command);
 
     if (!(flags & EXECUTE_INTERNAL))
     {
@@ -291,12 +291,12 @@ shell_execute (const char *command, int flags)
 #ifdef ENABLE_SUBSHELL
     if (mc_global.tty.use_subshell)
         if (subshell_state == INACTIVE)
-            do_execute (shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
+            do_execute (mc_global.tty.shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
         else
             message (D_ERROR, MSG_ERROR, _("The shell is already running a command"));
     else
 #endif /* ENABLE_SUBSHELL */
-        do_execute (shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
+        do_execute (mc_global.tty.shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
 
     g_free (cmd);
 }
@@ -306,7 +306,7 @@ shell_execute (const char *command, int flags)
 void
 exec_shell (void)
 {
-    do_execute (shell, 0, 0);
+    do_execute (mc_global.tty.shell, 0, 0);
 }
 
 /* --------------------------------------------------------------------------------------------- */
@@ -355,7 +355,7 @@ toggle_panels (void)
             fprintf (stderr, _("Type `exit' to return to the Midnight Commander"));
             fprintf (stderr, "\n\r\n\r");
 
-            my_system (EXECUTE_INTERNAL, shell, NULL);
+            my_system (EXECUTE_INTERNAL, mc_global.tty.shell, NULL);
         }
         else
             get_key_code (0);

src/main.c

@@ -129,17 +129,18 @@ OS_Setup (void)
     if ((shell_env == NULL) || (shell_env[0] == '\0'))
     {
         struct passwd *pwd;
+
         pwd = getpwuid (geteuid ());
         if (pwd != NULL)
-            shell = g_strdup (pwd->pw_shell);
+            mc_global.tty.shell = g_strdup (pwd->pw_shell);
     }
     else
-        shell = g_strdup (shell_env);
+        mc_global.tty.shell = g_strdup (shell_env);
 
-    if ((shell == NULL) || (shell[0] == '\0'))
+    if ((mc_global.tty.shell == NULL) || (mc_global.tty.shell[0] == '\0'))
     {
-        g_free (shell);
-        shell = g_strdup ("/bin/sh");
+        g_free (mc_global.tty.shell);
+        mc_global.tty.shell = g_strdup ("/bin/sh");
     }
 
     /* This is the directory, where MC was installed, on Unix this is DATADIR */
@@ -257,7 +258,7 @@ main (int argc, char *argv[])
       startup_exit_falure:
         fprintf (stderr, _("Failed to run:\n%s\n"), error->message);
         g_error_free (error);
-        g_free (shell);
+        g_free (mc_global.tty.shell);
       startup_exit_ok:
         str_uninit_strings ();
         return exit_code;
@@ -435,7 +436,7 @@ main (int argc, char *argv[])
     }
     g_free (last_wd_string);
 
-    g_free (shell);
+    g_free (mc_global.tty.shell);
 
     done_key ();
 

src/setup.c

@@ -197,9 +197,6 @@ char *last_wd_string = NULL;
 /* Set when main loop should be terminated */
 int quit = 0;
 
-/* The user's shell */
-char *shell = NULL;
-
 /* Set to TRUE to suppress printing the last directory */
 int print_last_revert = FALSE;
 

src/setup.h

@@ -124,8 +124,6 @@ extern int quit;
 /* Set to TRUE to suppress printing the last directory */
 extern gboolean print_last_revert;
 
-extern char *shell;
-
 /* index to record_macro_buf[], -1 if not recording a macro */
 extern int macro_index;
 

src/subshell.c

@@ -329,22 +329,22 @@ init_subshell_child (const char *pty_name)
     switch (subshell_type)
     {
     case BASH:
-        execl (shell, "bash", "-rcfile", init_file, (char *) NULL);
+        execl (mc_global.tty.shell, "bash", "-rcfile", init_file, (char *) NULL);
         break;
 
     case TCSH:
-        execl (shell, "tcsh", (char *) NULL);
+        execl (mc_global.tty.shell, "tcsh", (char *) NULL);
         break;
 
     case ZSH:
         /* Use -g to exclude cmds beginning with space from history
          * and -Z to use the line editor on non-interactive term */
-        execl (shell, "zsh", "-Z", "-g", (char *) NULL);
+        execl (mc_global.tty.shell, "zsh", "-Z", "-g", (char *) NULL);
 
         break;
 
     case FISH:
-        execl (shell, "fish", (char *) NULL);
+        execl (mc_global.tty.shell, "fish", (char *) NULL);
         break;
     }
 
@@ -790,15 +790,15 @@ init_subshell (void)
     {                           /* First time through */
         /* Find out what type of shell we have */
 
-        if (strstr (shell, "/zsh") || getenv ("ZSH_VERSION"))
+        if (strstr (mc_global.tty.shell, "/zsh") || getenv ("ZSH_VERSION"))
             subshell_type = ZSH;
-        else if (strstr (shell, "/tcsh"))
+        else if (strstr (mc_global.tty.shell, "/tcsh"))
             subshell_type = TCSH;
-        else if (strstr (shell, "/csh"))
+        else if (strstr (mc_global.tty.shell, "/csh"))
             subshell_type = TCSH;
-        else if (strstr (shell, "/bash") || getenv ("BASH"))
+        else if (strstr (mc_global.tty.shell, "/bash") || getenv ("BASH"))
             subshell_type = BASH;
-        else if (strstr (shell, "/fish"))
+        else if (strstr (mc_global.tty.shell, "/fish"))
             subshell_type = FISH;
         else
         {

src/vfs/extfs/extfs.c

@@ -58,7 +58,6 @@
 #include "lib/util.h"
 #include "lib/widget.h"         /* message() */
 
-#include "src/setup.h"          /* shell */
 #include "src/execute.h"        /* For shell_execute */
 
 #include "lib/vfs/vfs.h"
@@ -851,7 +850,7 @@ extfs_cmd (const char *str_extfs_cmd, struct archive *archive,
     g_free (quoted_archive_name);
 
     open_error_pipe ();
-    retval = my_system (EXECUTE_AS_SHELL, shell, cmd);
+    retval = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
     g_free (cmd);
     close_error_pipe (D_ERROR, NULL);
     return retval;