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Introduce mc_shell_t type.

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Signed-off-by: Slava Zanko <slavazanko@gmail.com>
This commit is contained in:
Slava Zanko 2015-11-10 17:23:09 +03:00 committed by Andrew Borodin
parent 81f0b3c6e8
commit 0e79be1b7a
10 changed files with 106 additions and 60 deletions
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1
lib/Makefile.am
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@ -40,6 +40,7 @@ libmc_la_SOURCES = \
keybind.c keybind.h \
lock.c lock.h \
serialize.c serialize.h \
shell.h \
timefmt.c timefmt.h \
timer.c timer.h

5
lib/global.c
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@ -79,6 +79,8 @@ mc_global_t mc_global = {
.is_right = FALSE
},
.shell = NULL,
.tty =
{
.skin = NULL,
@ -96,9 +98,6 @@ mc_global_t mc_global = {
.subshell_pty = 0,
#endif /* !ENABLE_SUBSHELL */
.shell = NULL,
.shell_realpath = NULL,
.xterm_flag = FALSE,
.disable_x11 = FALSE,
.slow_terminal = FALSE,

9
lib/global.h
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@ -94,6 +94,7 @@
#endif /* !ENABLE_NLS */
#include "fs.h"
#include "shell.h"
#ifdef USE_MAINTAINER_MODE
#include "lib/logging.h"
@ -231,6 +232,9 @@ typedef struct
gboolean is_right; /* If the selected menu was the right */
} widget;
/* The user's shell */
mc_shell_t *shell;
struct
{
/* Use the specified skin */
@ -248,15 +252,12 @@ typedef struct
#endif /* !LINUX_CONS_SAVER_C */
/* If using a subshell for evaluating commands this is true */
gboolean use_subshell;
#ifdef ENABLE_SUBSHELL
/* File descriptors of the pseudoterminal used by the subshell */
int subshell_pty;
#endif /* !ENABLE_SUBSHELL */
/* The user's shell */
char *shell;
char *shell_realpath;
/* This flag is set by xterm detection routine in function main() */
/* It is used by function view_other_cmd() */
gboolean xterm_flag;

40
lib/shell.h Normal file
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@ -0,0 +1,40 @@
/** \file timer.h
* \brief Header: shell structure
*/
#ifndef MC_SHELL_H
#define MC_SHELL_H
/*** typedefs(not structures) and defined constants **********************************************/
/*** enums ***************************************************************************************/
typedef enum
{
BASH,
ASH_BUSYBOX, /* BusyBox default shell (ash) */
DASH, /* Debian variant of ash */
TCSH,
ZSH,
FISH
} shell_type_t;
/*** structures declarations (and typedefs of structures)*****************************************/
typedef struct
{
shell_type_t type;
const char *name;
char *path;
char *real_path;
} mc_shell_t;
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
/*** inline functions **************************************************/
#endif /* MC_SHELL_H */

2
src/clipboard.c
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@ -85,7 +85,7 @@ 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)
my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
my_system (EXECUTE_AS_SHELL, mc_global.shell->path, cmd);
g_free (cmd);
g_free (tmp);

8
src/execute.c
View File

@ -430,12 +430,12 @@ shell_execute (const char *command, int flags)
#ifdef ENABLE_SUBSHELL
if (mc_global.tty.use_subshell)
if (subshell_state == INACTIVE)
do_execute (mc_global.tty.shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
do_execute (mc_global.shell->path, 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 (mc_global.tty.shell, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
do_execute (mc_global.shell->path, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);
g_free (cmd);
}
@ -445,7 +445,7 @@ shell_execute (const char *command, int flags)
void
exec_shell (void)
{
do_execute (mc_global.tty.shell, 0, 0);
do_execute (mc_global.shell->path, 0, 0);
}
/* --------------------------------------------------------------------------------------------- */
@ -496,7 +496,7 @@ toggle_panels (void)
fprintf (stderr, _("Type 'exit' to return to the Midnight Commander"));
fprintf (stderr, "\n\r\n\r");
my_system (EXECUTE_INTERNAL, mc_global.tty.shell, NULL);
my_system (EXECUTE_INTERNAL, mc_global.shell->path, NULL);
}
else
get_key_code (0);

21
src/main.c
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@ -168,6 +168,8 @@ OS_Setup (void)
const char *datadir_env;
mc_global.shell = g_new0 (mc_shell_t, 1);
shell_env = getenv ("SHELL");
if ((shell_env == NULL) || (shell_env[0] == '\0'))
{
@ -176,18 +178,18 @@ OS_Setup (void)
pwd = getpwuid (geteuid ());
if (pwd != NULL)
mc_global.tty.shell = g_strdup (pwd->pw_shell);
mc_global.shell->path = g_strdup (pwd->pw_shell);
}
else
/* 1st choice: SHELL environment variable */
mc_global.tty.shell = g_strdup (shell_env);
mc_global.shell->path = g_strdup (shell_env);
if ((mc_global.tty.shell == NULL) || (mc_global.tty.shell[0] == '\0'))
if ((mc_global.shell->path == NULL) || (mc_global.shell->path[0] == '\0'))
{
g_free (mc_global.tty.shell);
mc_global.tty.shell = mc_get_system_shell ();
g_free (mc_global.shell->path);
mc_global.shell->path = mc_get_system_shell ();
}
mc_global.tty.shell_realpath = mc_realpath (mc_global.tty.shell, rp_shell);
mc_global.shell->real_path = mc_realpath (mc_global.shell->path, rp_shell);
/* This is the directory, where MC was installed, on Unix this is DATADIR */
/* and can be overriden by the MC_DATADIR environment variable */
@ -301,7 +303,9 @@ main (int argc, char *argv[])
startup_exit_falure:
fprintf (stderr, _("Failed to run:\n%s\n"), mcerror->message);
g_error_free (mcerror);
g_free (mc_global.tty.shell);
g_free (mc_global.shell->path);
g_free (mc_global.shell);
startup_exit_ok:
str_uninit_strings ();
mc_timer_destroy (mc_global.timer);
@ -508,7 +512,8 @@ main (int argc, char *argv[])
}
g_free (last_wd_string);
g_free (mc_global.tty.shell);
g_free (mc_global.shell->path);
g_free (mc_global.shell);
done_key ();

76
src/subshell/common.c
View File

@ -132,15 +132,15 @@ enum
};
/* Subshell type (gleaned from the SHELL environment variable, if available) */
static enum
{
BASH,
ASH_BUSYBOX, /* BusyBox default shell (ash) */
DASH, /* Debian variant of ash */
TCSH,
ZSH,
FISH
} subshell_type;
//static enum
//{
// BASH,
// ASH_BUSYBOX, /* BusyBox default shell (ash) */
// DASH, /* Debian variant of ash */
// TCSH,
// ZSH,
// FISH
//} subshell_type;
/*** file scope variables ************************************************************************/
@ -280,7 +280,7 @@ init_subshell_child (const char *pty_name)
putenv (g_strdup (sid_str));
}
switch (subshell_type)
switch (mc_global.shell->type)
{
case BASH:
/* Do we have a custom init file ~/.local/share/mc/bashrc? */
@ -338,7 +338,7 @@ init_subshell_child (const char *pty_name)
break;
default:
fprintf (stderr, __FILE__ ": unimplemented subshell type %d\r\n", subshell_type);
fprintf (stderr, __FILE__ ": unimplemented subshell type %d\r\n", mc_global.shell->type);
my_exit (FORK_FAILURE);
}
@ -363,16 +363,16 @@ init_subshell_child (const char *pty_name)
/* Execute the subshell at last */
switch (subshell_type)
switch (mc_global.shell->type)
{
case BASH:
execl (mc_global.tty.shell, "bash", "-rcfile", init_file, (char *) NULL);
execl (mc_global.shell->path, "bash", "-rcfile", init_file, (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 (mc_global.tty.shell, "zsh", "-Z", "-g", (char *) NULL);
execl (mc_global.shell->path, "zsh", "-Z", "-g", (char *) NULL);
break;
@ -380,7 +380,7 @@ init_subshell_child (const char *pty_name)
case DASH:
case TCSH:
case FISH:
execl (mc_global.tty.shell, mc_global.tty.shell, (char *) NULL);
execl (mc_global.shell->path, mc_global.shell->path, (char *) NULL);
break;
default:
@ -805,22 +805,22 @@ init_subshell_type (void)
/* Find out what type of shell we have. Also consider real paths (resolved symlinks)
* because e.g. csh might point to tcsh, ash to dash or busybox, sh to anything. */
if (strstr (mc_global.tty.shell, "/zsh") != NULL
|| strstr (mc_global.tty.shell_realpath, "/zsh") != NULL || getenv ("ZSH_VERSION") != NULL)
if (strstr (mc_global.shell->path, "/zsh") != NULL
|| strstr (mc_global.shell->real_path, "/zsh") != NULL || getenv ("ZSH_VERSION") != NULL)
/* Also detects ksh symlinked to zsh */
subshell_type = ZSH;
else if (strstr (mc_global.tty.shell, "/tcsh") != NULL
|| strstr (mc_global.tty.shell_realpath, "/tcsh") != NULL)
mc_global.shell->type = ZSH;
else if (strstr (mc_global.shell->path, "/tcsh") != NULL
|| strstr (mc_global.shell->real_path, "/tcsh") != NULL)
/* Also detects csh symlinked to tcsh */
subshell_type = TCSH;
else if (strstr (mc_global.tty.shell, "/fish") != NULL
|| strstr (mc_global.tty.shell_realpath, "/fish") != NULL)
subshell_type = FISH;
else if (strstr (mc_global.tty.shell, "/dash") != NULL
|| strstr (mc_global.tty.shell_realpath, "/dash") != NULL)
mc_global.shell->type = TCSH;
else if (strstr (mc_global.shell->path, "/fish") != NULL
|| strstr (mc_global.shell->real_path, "/fish") != NULL)
mc_global.shell->type = FISH;
else if (strstr (mc_global.shell->path, "/dash") != NULL
|| strstr (mc_global.shell->real_path, "/dash") != NULL)
/* Debian ash (also found if symlinked to by ash/sh) */
subshell_type = DASH;
else if (strstr (mc_global.tty.shell_realpath, "/busybox") != NULL)
mc_global.shell->type = DASH;
else if (strstr (mc_global.shell->real_path, "/busybox") != NULL)
{
/* If shell is symlinked to busybox, assume it is an ash, even though theoretically
* it could also be a hush (a mini shell for non-MMU systems deactivated by default).
@ -829,11 +829,11 @@ init_subshell_type (void)
* Sometimes even bash is symlinked to busybox (CONFIG_FEATURE_BASH_IS_ASH option),
* so we need to check busybox symlinks *before* checking for the name "bash"
* in order to avoid that case. */
subshell_type = ASH_BUSYBOX;
mc_global.shell->type = ASH_BUSYBOX;
}
else if (strstr (mc_global.tty.shell, "/bash") != NULL || getenv ("BASH") != NULL)
else if (strstr (mc_global.shell->path, "/bash") != NULL || getenv ("BASH") != NULL)
/* If bash is not symlinked to busybox, it is safe to assume it is a real bash */
subshell_type = BASH;
mc_global.shell->type = BASH;
else
{
mc_global.tty.use_subshell = FALSE;
@ -856,7 +856,7 @@ init_subshell_type (void)
static void
init_subshell_precmd (char *precmd, size_t buff_size)
{
switch (subshell_type)
switch (mc_global.shell->type)
{
case BASH:
g_snprintf (precmd, buff_size,
@ -978,7 +978,7 @@ subshell_name_quote (const char *s)
const char *su, *n;
const char *quote_cmd_start, *quote_cmd_end;
if (subshell_type == FISH)
if (mc_global.shell->type == FISH)
{
quote_cmd_start = "(printf \"%b\" '";
quote_cmd_end = "')";
@ -1096,7 +1096,7 @@ init_subshell (void)
/* Create a pipe for receiving the subshell's CWD */
if (subshell_type == TCSH)
if (mc_global.shell->type == TCSH)
{
g_snprintf (tcsh_fifo, sizeof (tcsh_fifo), "%s/mc.pipe.%d",
mc_tmpdir (), (int) getpid ());
@ -1155,7 +1155,7 @@ init_subshell (void)
* shell code. It is vital that each one-liner ends with a line feed character ("\n" ).
*/
switch (subshell_type)
switch (mc_global.shell->type)
{
case BASH:
g_snprintf (precmd, sizeof (precmd),
@ -1414,7 +1414,7 @@ exit_subshell (void)
if (subshell_quit)
{
if (subshell_type == TCSH)
if (mc_global.shell->type == TCSH)
{
if (unlink (tcsh_fifo) == -1)
fprintf (stderr, "Cannot remove named pipe %s: %s\r\n",
@ -1488,7 +1488,7 @@ do_subshell_chdir (const vfs_path_t * vpath, gboolean update_prompt)
bPathNotEq = strcmp (subshell_cwd, pcwd) != 0;
if (bPathNotEq && subshell_type == TCSH)
if (bPathNotEq && mc_global.shell->type == TCSH)
{
char rp_subshell_cwd[PATH_MAX];
char rp_current_panel_cwd[PATH_MAX];
@ -1517,7 +1517,7 @@ do_subshell_chdir (const vfs_path_t * vpath, gboolean update_prompt)
}
/* Really escape Zsh history */
if (subshell_type == ZSH)
if (mc_global.shell->type == ZSH)
{
/* Per Zsh documentation last command prefixed with space lingers in the internal history
* until the next command is entered before it vanishes. To make it vanish right away,

2
src/vfs/extfs/extfs.c
View File

@ -848,7 +848,7 @@ extfs_cmd (const char *str_extfs_cmd, struct archive *archive,
g_free (quoted_archive_name);
open_error_pipe ();
retval = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
retval = my_system (EXECUTE_AS_SHELL, mc_global.shell->path, cmd);
g_free (cmd);
close_error_pipe (D_ERROR, NULL);
return retval;

2
tests/src/filemanager/examine_cd.c
View File

@ -35,7 +35,7 @@
#include "src/filemanager/midnight.h"
#include "src/filemanager/tree.h"
#ifdef ENABLE_SUBSHELL
#include "src/subshell.h"
#include "src/subshell/subshell.h"
#endif /* ENABLE_SUBSHELL */
#include "src/filemanager/command.c"