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
127
128
129
130
131
132
133
134
135
136
137
138
|
/* Copyright (C) 2017 the mpv developers
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef TA_TALLOC_H_
#define TA_TALLOC_H_
#include <string.h>
#include "ta.h"
// Note: all talloc wrappers are wired to the "x" functions, which abort on OOM.
// libtalloc doesn't do that, but the mplayer2 internal copy of it did.
#define talloc ta_xnew
#define talloc_zero ta_xznew
#define talloc_array ta_xnew_array
#define talloc_zero_array ta_xznew_array
#define talloc_array_size ta_xnew_array_size
#define talloc_realloc ta_xrealloc
#define talloc_ptrtype ta_xnew_ptrtype
#define talloc_array_ptrtype ta_xnew_array_ptrtype
#define talloc_steal ta_xsteal
#define talloc_realloc_size ta_xrealloc_size
#define talloc_new ta_xnew_context
#define talloc_set_destructor ta_xset_destructor
#define talloc_parent ta_find_parent
#define talloc_enable_leak_report ta_enable_leak_report
#define talloc_size ta_xalloc_size
#define talloc_zero_size ta_xzalloc_size
#define talloc_get_size ta_get_size
#define talloc_free_children ta_free_children
#define talloc_free ta_free
#define talloc_dup ta_xdup
#define talloc_memdup ta_xmemdup
#define talloc_strdup ta_xstrdup
#define talloc_strndup ta_xstrndup
#define talloc_asprintf ta_xasprintf
#define talloc_vasprintf ta_xvasprintf
// Don't define linker-level symbols, as that would clash with real libtalloc.
#define talloc_strdup_append ta_talloc_strdup_append
#define talloc_strdup_append_buffer ta_talloc_strdup_append_buffer
#define talloc_strndup_append ta_talloc_strndup_append
#define talloc_strndup_append_buffer ta_talloc_strndup_append_buffer
#define talloc_vasprintf_append ta_talloc_vasprintf_append
#define talloc_vasprintf_append_buffer ta_talloc_vasprintf_append_buffer
#define talloc_asprintf_append ta_talloc_asprintf_append
#define talloc_asprintf_append_buffer ta_talloc_asprintf_append_buffer
char *ta_talloc_strdup(void *t, const char *p);
char *ta_talloc_strdup_append(char *s, const char *a);
char *ta_talloc_strdup_append_buffer(char *s, const char *a);
char *ta_talloc_strndup(void *t, const char *p, size_t n);
char *ta_talloc_strndup_append(char *s, const char *a, size_t n);
char *ta_talloc_strndup_append_buffer(char *s, const char *a, size_t n);
char *ta_talloc_vasprintf_append(char *s, const char *fmt, va_list ap) TA_PRF(2, 0);
char *ta_talloc_vasprintf_append_buffer(char *s, const char *fmt, va_list ap) TA_PRF(2, 0);
char *ta_talloc_asprintf_append(char *s, const char *fmt, ...) TA_PRF(2, 3);
char *ta_talloc_asprintf_append_buffer(char *s, const char *fmt, ...) TA_PRF(2, 3);
// mpv specific stuff - should be made part of proper TA API
#define TA_FREEP(pctx) do {talloc_free(*(pctx)); *(pctx) = NULL;} while(0)
#define TA_EXPAND_ARGS(...) __VA_ARGS__
#define MP_TALLOC_AVAIL(p) (talloc_get_size(p) / sizeof((p)[0]))
#define MP_RESIZE_ARRAY(ctx, p, count) \
do { \
(p) = ta_xrealloc_size(ctx, p, \
ta_calc_array_size(sizeof((p)[0]), count)); \
} while (0)
#define MP_TARRAY_GROW(ctx, p, nextidx) \
do { \
size_t nextidx_ = (nextidx); \
if (nextidx_ >= MP_TALLOC_AVAIL(p)) \
MP_RESIZE_ARRAY(ctx, p, ta_calc_prealloc_elems(nextidx_)); \
} while (0)
#define MP_TARRAY_APPEND(ctx, p, idxvar, ...) \
do { \
MP_TARRAY_GROW(ctx, p, idxvar); \
(p)[(idxvar)] = (TA_EXPAND_ARGS(__VA_ARGS__));\
(idxvar)++; \
} while (0)
#define MP_TARRAY_INSERT_AT(ctx, p, idxvar, at, ...)\
do { \
size_t at_ = (at); \
assert(at_ <= (idxvar)); \
MP_TARRAY_GROW(ctx, p, idxvar); \
memmove((p) + at_ + 1, (p) + at_, \
((idxvar) - at_) * sizeof((p)[0])); \
(idxvar)++; \
(p)[at_] = (TA_EXPAND_ARGS(__VA_ARGS__)); \
} while (0)
// Doesn't actually free any memory, or do any other talloc calls.
#define MP_TARRAY_REMOVE_AT(p, idxvar, at) \
do { \
size_t at_ = (at); \
assert(at_ <= (idxvar)); \
memmove((p) + at_, (p) + at_ + 1, \
((idxvar) - at_ - 1) * sizeof((p)[0])); \
(idxvar)--; \
} while (0)
// Returns whether or not there was any element to pop.
#define MP_TARRAY_POP(p, idxvar, out) \
((idxvar) > 0 \
? (*(out) = (p)[--(idxvar)], true) \
: false \
)
#define talloc_struct(ctx, type, ...) \
talloc_memdup(ctx, &(type) TA_EXPAND_ARGS(__VA_ARGS__), sizeof(type))
#endif
|
