/usr/include/leptonica/ptra.h is in libleptonica-dev 1.69-2.
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 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
#ifndef LEPTONICA_PTRA_H
#define LEPTONICA_PTRA_H
/*
* Contains the following structs:
* struct L_Ptra
* struct L_Ptraa
*
* Contains definitions for:
* L_Ptra compaction flags for removal
* L_Ptra shifting flags for insert
* L_Ptraa accessor flags
*/
/*------------------------------------------------------------------------*
* Generic Ptr Array Structs *
*------------------------------------------------------------------------*/
/* Generic pointer array */
struct L_Ptra
{
l_int32 nalloc; /* size of allocated ptr array */
l_int32 imax; /* greatest valid index */
l_int32 nactual; /* actual number of stored elements */
void **array; /* ptr array */
};
typedef struct L_Ptra L_PTRA;
/* Array of generic pointer arrays */
struct L_Ptraa
{
l_int32 nalloc; /* size of allocated ptr array */
struct L_Ptra **ptra; /* array of ptra */
};
typedef struct L_Ptraa L_PTRAA;
/*------------------------------------------------------------------------*
* Array flags *
*------------------------------------------------------------------------*/
/* Flags for removal from L_Ptra */
enum {
L_NO_COMPACTION = 1, /* null the pointer only */
L_COMPACTION = 2 /* compact the array */
};
/* Flags for insertion into L_Ptra */
enum {
L_AUTO_DOWNSHIFT = 0, /* choose based on number of holes */
L_MIN_DOWNSHIFT = 1, /* downshifts min # of ptrs below insert */
L_FULL_DOWNSHIFT = 2 /* downshifts all ptrs below insert */
};
/* Accessor flags for L_Ptraa */
enum {
L_HANDLE_ONLY = 0, /* ptr to L_Ptra; caller can inspect only */
L_REMOVE = 1 /* caller owns; destroy or save in L_Ptraa */
};
#endif /* LEPTONICA_PTRA_H */
|