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#ifndef __LXC_MEMORY_UTILS_H
#define __LXC_MEMORY_UTILS_H
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "macro.h"
#define define_cleanup_function(type, cleaner) \
static inline void cleaner##_function(type *ptr) \
{ \
if (*ptr) \
cleaner(*ptr); \
}
#define call_cleaner(cleaner) __attribute__((__cleanup__(cleaner##_function)))
#define close_prot_errno_disarm(fd) \
if (fd >= 0) { \
int _e_ = errno; \
close(fd); \
errno = _e_; \
fd = -EBADF; \
}
static inline void close_prot_errno_disarm_function(int *fd)
{
close_prot_errno_disarm(*fd);
}
#define __do_close call_cleaner(close_prot_errno_disarm)
define_cleanup_function(FILE *, fclose);
#define __do_fclose call_cleaner(fclose)
define_cleanup_function(DIR *, closedir);
#define __do_closedir call_cleaner(closedir)
#define free_disarm(ptr) \
({ \
free(ptr); \
move_ptr(ptr); \
})
static inline void free_disarm_function(void *ptr)
{
free_disarm(*(void **)ptr);
}
#define __do_free call_cleaner(free_disarm)
static inline void free_string_list(char **list)
{
if (list) {
for (int i = 0; list[i]; i++)
free(list[i]);
free_disarm(list);
}
}
define_cleanup_function(char **, free_string_list);
#define __do_free_string_list call_cleaner(free_string_list)
#define zalloc(__size__) (calloc(1, __size__))
#endif /* __LXC_MEMORY_UTILS_H */
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