Remove unused functions

After 95ee490 they are not in public
API and are not used throughout the lxc codebase.
This has a bonus of removing workaround for bionic.

Signed-off-by: Andrey Mazo <mazo@telum.ru>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>

src/lxc/parse.c

@@ -33,56 +33,8 @@
 #include "utils.h"
 #include <lxc/log.h>
 
-/* Workaround for the broken signature of alphasort() in bionic.
-   This was fixed upstream in 40e467ec668b59be25491bd44bf348a884d6a68d so the
-   workaround can probably be dropped with the next version of the Android NDK.
- */
-#ifdef IS_BIONIC
-int bionic_alphasort(const struct dirent** a, const struct dirent** b) {
-       return strcoll((*a)->d_name, (*b)->d_name);
-}
-#endif
-
-
 lxc_log_define(lxc_parse, lxc);
 
-static int dir_filter(const struct dirent *dirent)
-{
-	if (!strcmp(dirent->d_name, ".") ||
-            !strcmp(dirent->d_name, ".."))
-                return 0;
-        return 1;
-}
-
-int lxc_dir_for_each(const char *name, const char *directory,
-		     lxc_dir_cb callback, void *data)
-{
-	struct dirent **namelist;
-	int n, ret = 0;
-
-#ifdef IS_BIONIC
-	n = scandir(directory, &namelist, dir_filter, bionic_alphasort);
-#else
-	n = scandir(directory, &namelist, dir_filter, alphasort);
-#endif
-	if (n < 0) {
-		SYSERROR("failed to scan %s directory", directory);
-		return -1;
-	}
-
-	while (n--) {
-		if (!ret &&
-		    callback(name, directory, namelist[n]->d_name, data)) {
-			ERROR("callback failed");
-			ret = -1;
-		}
-		free(namelist[n]);
-	}
-	free(namelist);
-
-	return ret;
-}
-
 int lxc_file_for_each_line(const char *file, lxc_file_cb callback, void *data)
 {
 	FILE *f;

src/lxc/parse.h

@@ -28,9 +28,6 @@ typedef int (*lxc_dir_cb)(const char *name, const char *directory,
 
 typedef int (*lxc_file_cb)(char *buffer, void *data);
 
-extern int lxc_dir_for_each(const char *name, const char *directory,
-			    lxc_dir_cb callback, void *data);
-
 extern int lxc_file_for_each_line(const char *file, lxc_file_cb callback,
 				  void* data);
 

src/lxc/utils.c

@@ -1031,31 +1031,6 @@ size_t lxc_array_len(void **array)
 	return result;
 }
 
-void **lxc_dup_array(void **array, lxc_dup_fn element_dup_fn, lxc_free_fn element_free_fn)
-{
-	size_t l = lxc_array_len(array);
-	void **result = calloc(l + 1, sizeof(void *));
-	void **pp;
-	void *p;
-	int saved_errno = 0;
-
-	if (!result)
-		return NULL;
-
-	for (l = 0, pp = array; pp && *pp; pp++, l++) {
-		p = element_dup_fn(*pp);
-		if (!p) {
-			saved_errno = errno;
-			lxc_free_array(result, element_free_fn);
-			errno = saved_errno;
-			return NULL;
-		}
-		result[l] = p;
-	}
-
-	return result;
-}
-
 int lxc_write_to_file(const char *filename, const void* buf, size_t count, bool add_newline)
 {
 	int fd, saved_errno;

src/lxc/utils.h

@@ -263,7 +263,6 @@ typedef void *(*lxc_dup_fn)(void *);
 extern int lxc_grow_array(void ***array, size_t* capacity, size_t new_size, size_t capacity_increment);
 extern void lxc_free_array(void **array, lxc_free_fn element_free_fn);
 extern size_t lxc_array_len(void **array);
-extern void **lxc_dup_array(void **array, lxc_dup_fn element_dup_fn, lxc_free_fn element_free_fn);
 
 extern void **lxc_append_null_to_array(void **array, size_t count);