/usr/include/libr/r_diff.h is in libradare2-dev 0.9.6-3.1ubuntu1.
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 | #ifndef _INCLUDE_DIFF_H_
#define _INCLUDE_DIFF_H_
#include <r_types.h>
#include <r_util.h>
#ifdef __cplusplus
extern "C" {
#endif
R_LIB_VERSION_HEADER(r_diff);
typedef struct r_diff_op_t {
/* file A */
ut64 a_off;
const ut8 *a_buf;
int a_len;
/* file B */
ut64 b_off;
const ut8 *b_buf;
int b_len;
} RDiffOp;
//typedef struct r_diff_t RDiff;
typedef struct r_diff_t {
ut64 off_a;
ut64 off_b;
int delta;
void *user;
int (*callback)(struct r_diff_t *diff, void *user, RDiffOp *op);
} RDiff;
typedef int (*RDiffCallback)(RDiff *diff, void *user, RDiffOp *op);
/* XXX: this api needs to be reviewed , constructor with offa+offb?? */
#ifdef R_API
R_API RDiff *r_diff_new(ut64 off_a, ut64 off_b);
R_API RDiff *r_diff_free(RDiff *d);
R_API int r_diff_buffers(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb);
R_API int r_diff_buffers_static(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
R_API int r_diff_buffers_radiff(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
R_API int r_diff_buffers_delta(RDiff *diff, const ut8 *sa, int la, const ut8 *sb, int lb);
R_API int r_diff_buffers(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb);
R_API int r_diff_set_callback(RDiff *d, RDiffCallback callback, void *user);
R_API int r_diff_buffers_distance(RDiff *d,
const ut8 *a, ut32 la, const ut8 *b, ut32 lb, ut32 *distance,
double *similarity);
/* static method !??! */
R_API int r_diff_lines(const char *file1, const char *sa, int la, const char *file2, const char *sb, int lb);
R_API int r_diff_set_delta(RDiff *d, int delta);
R_API int r_diff_gdiff(const char *file1, const char *file2, int rad, int va);
#endif
#ifdef __cplusplus
}
#endif
#endif
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