/usr/include/libr/sdb/ls.h is in libradare2-dev 0.9.6-3.1+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #ifndef _INCLUDE_LS_H_
#define _INCLUDE_LS_H_
#include <stdio.h>
#include "types.h"
#ifndef R_API
#define R_API
#endif
typedef void (*SdbListFree)(void *ptr);
typedef struct ls_iter_t {
void *data;
struct ls_iter_t *n, *p;
} SdbListIter;
typedef struct ls_t {
unsigned int length;
struct ls_iter_t *head;
struct ls_iter_t *tail;
SdbListFree free;
} SdbList;
typedef int (*SdbListComparator)(void *a, void *b);
#ifdef R_API
#define ls_foreach(list, it, pos) \
for (it = list->head; it && (pos = it->data); it = it->n)
#define ls_foreach_prev(list, it, pos) \
for (it = list->tail; it && (pos = it->data); it = it->p)
#define ls_iterator(x) (x)?(x)->head:NULL
#define ls_empty(x) (x==NULL || (x->head==NULL && x->tail==NULL))
#define ls_head(x) x->head
#define ls_tail(x) x->tail
#define ls_unref(x) x
#define ls_iter_get(x) x->data; x=x->n
#define ls_iter_next(x) (x?1:0)
#define ls_iter_cur(x) x->p
#define ls_iter_unref(x) x
R_API SdbList *ls_new(void);
R_API SdbListIter *ls_append(SdbList *list, void *data);
R_API SdbListIter *ls_prepend(SdbList *list, void *data);
R_API int ls_length(SdbList *list);
R_API void ls_add_sorted(SdbList *list, void *data, SdbListComparator cmp);
R_API void ls_sort(SdbList *list, SdbListComparator cmp);
R_API void ls_delete (SdbList *list, SdbListIter *iter);
R_API boolt ls_delete_data (SdbList *list, void *ptr);
R_API void ls_iter_init (SdbListIter *iter, SdbList *list);
R_API void ls_destroy (SdbList *list);
R_API void ls_free (SdbList *list);
R_API SdbListIter *ls_item_new (void *data);
R_API void ls_unlink (SdbList *list, void *ptr);
R_API void ls_split (SdbList *list, void *ptr);
R_API void ls_split_iter (SdbList *list, SdbListIter *iter);
R_API void *ls_get_n (SdbList *list, int n);
R_API int ls_del_n (SdbList *list, int n);
R_API void *ls_get_top (SdbList *list);
#define ls_push(x,y) ls_append(x,y)
R_API void *ls_pop (SdbList *list);
R_API void ls_reverse (SdbList *list);
R_API SdbList *ls_clone (SdbList *list);
#endif
#endif
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