/usr/include/harfbuzz/hb-blob.h is in libharfbuzz-dev 1.0.1-1build2.
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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /*
* Copyright © 2009 Red Hat, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
*/
#ifndef HB_H_IN
#error "Include <hb.h> instead."
#endif
#ifndef HB_BLOB_H
#define HB_BLOB_H
#include "hb-common.h"
HB_BEGIN_DECLS
/*
* Note re various memory-modes:
*
* - In no case shall the HarfBuzz client modify memory
* that is passed to HarfBuzz in a blob. If there is
* any such possibility, MODE_DUPLICATE should be used
* such that HarfBuzz makes a copy immediately,
*
* - Use MODE_READONLY otherse, unless you really really
* really know what you are doing,
*
* - MODE_WRITABLE is appropriate if you really made a
* copy of data solely for the purpose of passing to
* HarfBuzz and doing that just once (no reuse!),
*
* - If the font is mmap()ed, it's ok to use
* READONLY_MAY_MAKE_WRITABLE, however, using that mode
* correctly is very tricky. Use MODE_READONLY instead.
*/
typedef enum {
HB_MEMORY_MODE_DUPLICATE,
HB_MEMORY_MODE_READONLY,
HB_MEMORY_MODE_WRITABLE,
HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
} hb_memory_mode_t;
typedef struct hb_blob_t hb_blob_t;
hb_blob_t *
hb_blob_create (const char *data,
unsigned int length,
hb_memory_mode_t mode,
void *user_data,
hb_destroy_func_t destroy);
/* Always creates with MEMORY_MODE_READONLY.
* Even if the parent blob is writable, we don't
* want the user of the sub-blob to be able to
* modify the parent data as that data may be
* shared among multiple sub-blobs.
*/
hb_blob_t *
hb_blob_create_sub_blob (hb_blob_t *parent,
unsigned int offset,
unsigned int length);
hb_blob_t *
hb_blob_get_empty (void);
hb_blob_t *
hb_blob_reference (hb_blob_t *blob);
void
hb_blob_destroy (hb_blob_t *blob);
hb_bool_t
hb_blob_set_user_data (hb_blob_t *blob,
hb_user_data_key_t *key,
void * data,
hb_destroy_func_t destroy,
hb_bool_t replace);
void *
hb_blob_get_user_data (hb_blob_t *blob,
hb_user_data_key_t *key);
void
hb_blob_make_immutable (hb_blob_t *blob);
hb_bool_t
hb_blob_is_immutable (hb_blob_t *blob);
unsigned int
hb_blob_get_length (hb_blob_t *blob);
const char *
hb_blob_get_data (hb_blob_t *blob, unsigned int *length);
char *
hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length);
HB_END_DECLS
#endif /* HB_BLOB_H */
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