static const char *
append_char_function(const char *name)
{
struct stat stbuf;
char *expname = *name == '~' ? fn_tilde_expand(name) : NULL;
const char *rs = " ";
if (stat(expname ? expname : name, &stbuf) == -1)
goto out;
if (S_ISDIR(stbuf.st_mode))
rs = "/";
out:
if (expname)
el_free(expname);
return rs;
}
/*
* return first found file name starting by the ``text'' or NULL if no
* such file can be found
* value of ``state'' is ignored
*
* it's caller's responsibility to free returned string
*/
char *
fn_filename_completion_function(const char *text, int state)
{
static DIR *dir = NULL;
static char *filename = NULL, *dirname = NULL, *dirpath = NULL;
static size_t filename_len = 0;
struct dirent *entry;
char *temp;
size_t len;
if (state == 0 || dir == NULL) {
temp = strrchr(text, '/');
if (temp) {
char *nptr;
temp++;
nptr = el_realloc(filename, (strlen(temp) + 1) *
sizeof(*nptr));
if (nptr == NULL) {
el_free(filename);
filename = NULL;
return NULL;
}
filename = nptr;
(void)strcpy(filename, temp);
len = (size_t)(temp - text); /* including last slash */
nptr = el_realloc(dirname, (len + 1) *
sizeof(*nptr));
if (nptr == NULL) {
el_free(dirname);
dirname = NULL;
return NULL;
}
dirname = nptr;
(void)strncpy(dirname, text, len);
dirname[len] = '\0';
} else {
el_free(filename);
if (*text == 0)
filename = NULL;
else {
filename = strdup(text);
if (filename == NULL)
return NULL;
}
el_free(dirname);
dirname = NULL;
}
if (dir != NULL) {
(void)closedir(dir);
dir = NULL;
}
/* support for ``~user'' syntax */
el_free(dirpath);
dirpath = NULL;
if (dirname == NULL) {
if ((dirname = strdup("")) == NULL)
return NULL;
dirpath = strdup("./");
} else if (*dirname == '~')
dirpath = fn_tilde_expand(dirname);
else
dirpath = strdup(dirname);
if (dirpath == NULL)
return NULL;
dir = opendir(dirpath);
if (!dir)
return NULL; /* cannot open the directory */
/* will be used in cycle */
filename_len = filename ? strlen(filename) : 0;
}
/* find the match */
while ((entry = readdir(dir)) != NULL) {
/* skip . and .. */
if (entry->d_name[0] == '.' && (!entry->d_name[1]
|| (entry->d_name[1] == '.' && !entry->d_name[2])))
continue;
if (filename_len == 0)
break;
/* otherwise, get first entry where first */
/* filename_len characters are equal */
if (entry->d_name[0] == filename[0]
/* Some dirents have d_namlen, but it is not portable. */
&& strlen(entry->d_name) >= filename_len
&& strncmp(entry->d_name, filename,
filename_len) == 0)
break;
}
if (entry) { /* match found */
/* Some dirents have d_namlen, but it is not portable. */
len = strlen(entry->d_name);
len = strlen(dirname) + len + 1;
temp = el_malloc(len * sizeof(*temp));
if (temp == NULL)
return NULL;
(void)snprintf(temp, len, "%s%s", dirname, entry->d_name);
} else {
(void)closedir(dir);
dir = NULL;
temp = NULL;
}
return temp;
}
/*
* return first found file name starting by the ``text'' or NULL if no
* such file can be found
* value of ``state'' is ignored
*
* it's caller's responsibility to free returned string
*/
char *
fn_filename_completion_function(const char *text, int state)
{
static DIR *dir = NULL;
static char *filename = NULL, *dirname = NULL, *dirpath = NULL;
static size_t filename_len = 0;
struct dirent *entry;
char *temp;
size_t tempsz, len;
if (state == 0 || dir == NULL) {
temp = strrchr(text, '/');
if (temp) {
size_t sz = strlen(temp + 1) + 1;
char *nptr;
temp++;
nptr = realloc(filename, sz);
if (nptr == NULL) {
free(filename);
filename = NULL;
return NULL;
}
filename = nptr;
(void)strlcpy(filename, temp, sz);
len = temp - text; /* including last slash */
nptr = realloc(dirname, len + 1);
if (nptr == NULL) {
free(dirname);
dirname = NULL;
return NULL;
}
dirname = nptr;
(void)strncpy(dirname, text, len);
dirname[len] = '\0';
} else {
free(filename);
if (*text == 0)
filename = NULL;
else {
filename = strdup(text);
if (filename == NULL)
return NULL;
}
free(dirname);
dirname = NULL;
}
if (dir != NULL) {
(void)closedir(dir);
dir = NULL;
}
/* support for ``~user'' syntax */
free(dirpath);
dirpath = NULL;
if (dirname == NULL) {
if ((dirname = strdup("")) == NULL)
return NULL;
dirpath = strdup("./");
} else if (*dirname == '~')
dirpath = fn_tilde_expand(dirname);
else
dirpath = strdup(dirname);
if (dirpath == NULL)
return NULL;
dir = opendir(dirpath);
if (!dir)
return (NULL); /* cannot open the directory */
/* will be used in cycle */
filename_len = filename ? strlen(filename) : 0;
}
/* find the match */
while ((entry = readdir(dir)) != NULL) {
/* skip . and .. */
if (entry->d_name[0] == '.' && (!entry->d_name[1]
|| (entry->d_name[1] == '.' && !entry->d_name[2])))
continue;
if (filename_len == 0)
break;
/* otherwise, get first entry where first */
/* filename_len characters are equal */
if (entry->d_name[0] == filename[0]
#if HAVE_STRUCT_DIRENT_D_NAMLEN
&& entry->d_namlen >= filename_len
#else
&& strlen(entry->d_name) >= filename_len
#endif
&& strncmp(entry->d_name, filename,
filename_len) == 0)
break;
}
if (entry) { /* match found */
#if HAVE_STRUCT_DIRENT_D_NAMLEN
len = entry->d_namlen;
#else
len = strlen(entry->d_name);
#endif
tempsz = strlen(dirname) + len + 1;
temp = malloc(tempsz);
if (temp == NULL)
return NULL;
(void)snprintf(temp, tempsz, "%s%s", dirname, entry->d_name);
} else {
(void)closedir(dir);
dir = NULL;
temp = NULL;
}
return (temp);
}
