/* Compare version strings.
*
* @s1 first string to compare
* @s2 second string to compare
*
* @return an integer less than, equal to, or greater than zero, if @s1 is <, == or > than @s2.
*/
int
filevercmp (const char *s1, const char *s2)
{
const char *s1_pos, *s2_pos;
const char *s1_suffix, *s2_suffix;
size_t s1_len, s2_len;
int simple_cmp, result;
/* easy comparison to see if strings are identical */
simple_cmp = strcmp (s1, s2);
if (simple_cmp == 0)
return 0;
/* special handle for "", "." and ".." */
if (*s1 == '\0')
return -1;
if (*s2 == '\0')
return 1;
if (DIR_IS_DOT (s1))
return -1;
if (DIR_IS_DOT (s2))
return 1;
if (DIR_IS_DOTDOT (s1))
return -1;
if (DIR_IS_DOTDOT (s2))
return 1;
/* special handle for other hidden files */
if (*s1 == '.' && *s2 != '.')
return -1;
if (*s1 != '.' && *s2 == '.')
return 1;
if (*s1 == '.' && *s2 == '.')
{
s1++;
s2++;
}
/* "cut" file suffixes */
s1_pos = s1;
s2_pos = s2;
s1_suffix = match_suffix (&s1_pos);
s2_suffix = match_suffix (&s2_pos);
s1_len = (s1_suffix != NULL ? s1_suffix : s1_pos) - s1;
s2_len = (s2_suffix != NULL ? s2_suffix : s2_pos) - s2;
/* restore file suffixes if strings are identical after "cut" */
if ((s1_suffix != NULL || s2_suffix != NULL) && (s1_len == s2_len)
&& strncmp (s1, s2, s1_len) == 0)
{
s1_len = s1_pos - s1;
s2_len = s2_pos - s2;
}
result = verrevcmp (s1, s1_len, s2, s2_len);
return result == 0 ? simple_cmp : result;
}
gboolean
handle_path (const char *path, struct stat * buf1, int *link_to_dir, int *stale_link)
{
vfs_path_t *vpath;
if (DIR_IS_DOT (path) || DIR_IS_DOTDOT (path))
return FALSE;
vpath = vfs_path_from_str (path);
if (mc_lstat (vpath, buf1) == -1)
{
vfs_path_free (vpath);
return FALSE;
}
if (S_ISDIR (buf1->st_mode))
tree_store_mark_checked (path);
/* A link to a file or a directory? */
*link_to_dir = 0;
*stale_link = 0;
if (S_ISLNK (buf1->st_mode))
{
struct stat buf2;
if (mc_stat (vpath, &buf2) == 0)
*link_to_dir = S_ISDIR (buf2.st_mode) != 0;
else
*stale_link = 1;
}
vfs_path_free (vpath);
return TRUE;
}
static gboolean
handle_dirent (struct dirent *dp, const char *fltr, struct stat *buf1, int *link_to_dir,
int *stale_link)
{
vfs_path_t *vpath;
if (DIR_IS_DOT (dp->d_name) || DIR_IS_DOTDOT (dp->d_name))
return FALSE;
if (!panels_options.show_dot_files && (dp->d_name[0] == '.'))
return FALSE;
if (!panels_options.show_backups && dp->d_name[strlen (dp->d_name) - 1] == '~')
return FALSE;
vpath = vfs_path_from_str (dp->d_name);
if (mc_lstat (vpath, buf1) == -1)
{
/*
* lstat() fails - such entries should be identified by
* buf1->st_mode being 0.
* It happens on QNX Neutrino for /fs/cd0 if no CD is inserted.
*/
memset (buf1, 0, sizeof (*buf1));
}
if (S_ISDIR (buf1->st_mode))
tree_store_mark_checked (dp->d_name);
/* A link to a file or a directory? */
*link_to_dir = 0;
*stale_link = 0;
if (S_ISLNK (buf1->st_mode))
{
struct stat buf2;
if (mc_stat (vpath, &buf2) == 0)
*link_to_dir = S_ISDIR (buf2.st_mode) != 0;
else
*stale_link = 1;
}
vfs_path_free (vpath);
return (S_ISDIR (buf1->st_mode) || *link_to_dir != 0 || fltr == NULL
|| mc_search (fltr, NULL, dp->d_name, MC_SEARCH_T_GLOB));
}
static char *
filename_completion_function (const char *text, int state, input_complete_t flags)
{
static DIR *directory = NULL;
static char *filename = NULL;
static char *dirname = NULL;
static char *users_dirname = NULL;
static size_t filename_len;
int isdir = 1, isexec = 0;
static vfs_path_t *dirname_vpath = NULL;
struct dirent *entry = NULL;
SHOW_C_CTX ("filename_completion_function");
if (text && (flags & INPUT_COMPLETE_SHELL_ESC))
{
char *u_text;
char *result;
char *e_result;
u_text = strutils_shell_unescape (text);
result = filename_completion_function (u_text, state, flags & (~INPUT_COMPLETE_SHELL_ESC));
g_free (u_text);
e_result = strutils_shell_escape (result);
g_free (result);
return e_result;
}
/* If we're starting the match process, initialize us a bit. */
if (state == 0)
{
const char *temp;
g_free (dirname);
g_free (filename);
g_free (users_dirname);
vfs_path_free (dirname_vpath);
if ((*text != '\0') && (temp = strrchr (text, PATH_SEP)) != NULL)
{
filename = g_strdup (++temp);
dirname = g_strndup (text, temp - text);
}
else
{
dirname = g_strdup (".");
filename = g_strdup (text);
}
/* We aren't done yet. We also support the "~user" syntax. */
/* Save the version of the directory that the user typed. */
users_dirname = dirname;
dirname = tilde_expand (dirname);
canonicalize_pathname (dirname);
dirname_vpath = vfs_path_from_str (dirname);
/* Here we should do something with variable expansion
and `command`.
Maybe a dream - UNIMPLEMENTED yet. */
directory = mc_opendir (dirname_vpath);
filename_len = strlen (filename);
}
/* Now that we have some state, we can read the directory. */
while (directory && (entry = mc_readdir (directory)))
{
if (!str_is_valid_string (entry->d_name))
continue;
/* Special case for no filename.
All entries except "." and ".." match. */
if (filename_len == 0)
{
if (DIR_IS_DOT (entry->d_name) || DIR_IS_DOTDOT (entry->d_name))
continue;
}
else
{
/* Otherwise, if these match up to the length of filename, then
it may be a match. */
if ((entry->d_name[0] != filename[0]) ||
((NLENGTH (entry)) < filename_len) ||
strncmp (filename, entry->d_name, filename_len))
continue;
}
isdir = 1;
isexec = 0;
{
struct stat tempstat;
vfs_path_t *tmp_vpath;
tmp_vpath = vfs_path_build_filename (dirname, entry->d_name, (char *) NULL);
/* Unix version */
if (mc_stat (tmp_vpath, &tempstat) == 0)
{
uid_t my_uid = getuid ();
gid_t my_gid = getgid ();
if (!S_ISDIR (tempstat.st_mode))
{
isdir = 0;
if ((!my_uid && (tempstat.st_mode & 0111)) ||
(my_uid == tempstat.st_uid && (tempstat.st_mode & 0100)) ||
(my_gid == tempstat.st_gid && (tempstat.st_mode & 0010)) ||
(tempstat.st_mode & 0001))
isexec = 1;
}
}
else
{
/* stat failed, strange. not a dir in any case */
isdir = 0;
}
vfs_path_free (tmp_vpath);
}
if ((flags & INPUT_COMPLETE_COMMANDS) && (isexec || isdir))
break;
if ((flags & INPUT_COMPLETE_CD) && isdir)
break;
if (flags & (INPUT_COMPLETE_FILENAMES))
break;
}
if (entry == NULL)
{
if (directory)
{
mc_closedir (directory);
directory = NULL;
}
g_free (dirname);
dirname = NULL;
vfs_path_free (dirname_vpath);
dirname_vpath = NULL;
g_free (filename);
filename = NULL;
g_free (users_dirname);
users_dirname = NULL;
return NULL;
}
{
GString *temp;
temp = g_string_sized_new (16);
if (users_dirname != NULL && (users_dirname[0] != '.' || users_dirname[1] != '\0'))
{
g_string_append (temp, users_dirname);
/* We need a '/' at the end. */
if (temp->str[temp->len - 1] != PATH_SEP)
g_string_append_c (temp, PATH_SEP);
}
g_string_append (temp, entry->d_name);
if (isdir)
g_string_append_c (temp, PATH_SEP);
return g_string_free (temp, FALSE);
}
}
/** If it actually changed the directory it returns true */
void
do_subshell_chdir (const vfs_path_t * vpath, gboolean update_prompt)
{
char *pcwd;
pcwd = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_RECODE);
if (!(subshell_state == INACTIVE && strcmp (subshell_cwd, pcwd) != 0))
{
/* We have to repaint the subshell prompt if we read it from
* the main program. Please note that in the code after this
* if, the cd command that is sent will make the subshell
* repaint the prompt, so we don't have to paint it. */
if (update_prompt)
do_update_prompt ();
g_free (pcwd);
return;
}
/* The initial space keeps this out of the command history (in bash
because we set "HISTCONTROL=ignorespace") */
write_all (mc_global.tty.subshell_pty, " cd ", 4);
if (vpath != NULL)
{
char *translate;
translate = vfs_translate_path_n (vfs_path_as_str (vpath));
if (translate != NULL)
{
GString *temp;
temp = subshell_name_quote (translate);
write_all (mc_global.tty.subshell_pty, temp->str, temp->len);
g_string_free (temp, TRUE);
g_free (translate);
}
else
{
write_all (mc_global.tty.subshell_pty, ".", 1);
}
}
else
{
write_all (mc_global.tty.subshell_pty, "/", 1);
}
write_all (mc_global.tty.subshell_pty, "\n", 1);
subshell_state = RUNNING_COMMAND;
feed_subshell (QUIETLY, FALSE);
if (subshell_alive)
{
int bPathNotEq = strcmp (subshell_cwd, pcwd);
if (bPathNotEq && subshell_type == TCSH)
{
char rp_subshell_cwd[PATH_MAX];
char rp_current_panel_cwd[PATH_MAX];
char *p_subshell_cwd = mc_realpath (subshell_cwd, rp_subshell_cwd);
char *p_current_panel_cwd = mc_realpath (pcwd, rp_current_panel_cwd);
if (p_subshell_cwd == NULL)
p_subshell_cwd = subshell_cwd;
if (p_current_panel_cwd == NULL)
p_current_panel_cwd = pcwd;
bPathNotEq = strcmp (p_subshell_cwd, p_current_panel_cwd);
}
if (bPathNotEq && !DIR_IS_DOT (pcwd))
{
char *cwd;
cwd = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_STRIP_PASSWORD);
vfs_print_message (_("Warning: Cannot change to %s.\n"), cwd);
g_free (cwd);
}
}
update_subshell_prompt = FALSE;
g_free (pcwd);
/* Make sure that MC never stores the CWD in a silly format */
/* like /usr////lib/../bin, or the strcmp() above will fail */
}
