Something went wrong. Try again.
🎥 Command line media player
Something went wrong. Try again.
mpv talloc.h
8.5 kB · 181 lines
C
at release/0.1
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182#ifndef _TALLOC_H_#define _TALLOC_H_/* Unix SMB/CIFS implementation. Samba temporary memory allocation functions
Copyright (C) Andrew Tridgell 2004-2005 Copyright (C) Stefan Metzmacher 2006 ** NOTE! The following LGPL license applies to the talloc ** library. This does NOT imply that all of Samba is released ** under the LGPL This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, see <http://www.gnu.org/licenses/>.*/
#include <stdlib.h>#include <stdio.h>#include <stdarg.h>
#include "compat/compiler.h"
/* HACK: libsmbclient uses dynamically linked libtalloc.so which has * identically named symbols. This name collision caused a crash under * stream_smb when trying to play anything with smb://. This hack * prevents the symbols declared here from being visible to outside * shared libraries and fixes the crash. */#pragma GCC visibility push(hidden)
/* this is only needed for compatibility with the old talloc */typedef void TALLOC_CTX;
/* this uses a little trick to allow __LINE__ to be stringified*/#ifndef __location__#define __TALLOC_STRING_LINE1__(s) #s#define __TALLOC_STRING_LINE2__(s) __TALLOC_STRING_LINE1__(s)#define __TALLOC_STRING_LINE3__ __TALLOC_STRING_LINE2__(__LINE__)#define __location__ __FILE__ ":" __TALLOC_STRING_LINE3__#endif
#ifndef TALLOC_DEPRECATED#define TALLOC_DEPRECATED 0#endif
/* try to make talloc_set_destructor() and talloc_steal() type safe, if we have a recent gcc */#if defined(__clang__) && defined(__llvm__)#define _TALLOC_TYPEOF(ptr) void *#define talloc_steal(ctx, ptr) _talloc_steal((ctx),(ptr))#elif (__GNUC__ >= 3)#define _TALLOC_TYPEOF(ptr) __typeof__(ptr)/* this extremely strange macro is to avoid some braindamaged warning stupidity in gcc 4.1.x */#define talloc_steal(ctx, ptr) ({ _TALLOC_TYPEOF(ptr) __talloc_steal_ret = (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr)); __talloc_steal_ret; })#else#define _TALLOC_TYPEOF(ptr) void *#define talloc_steal(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr))#endif#define talloc_set_destructor(ptr, function) \ _talloc_set_destructor((ptr), (function))
#define talloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_reference((ctx),(ptr))#define talloc_move(ctx, ptr) (_TALLOC_TYPEOF(*(ptr)))_talloc_move((ctx),(void *)(ptr))
/* useful macros for creating type checked pointers */#define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)#define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)#define talloc_ptrtype(ctx, ptr) (_TALLOC_TYPEOF(ptr))talloc_size(ctx, sizeof(*(ptr)))
#define talloc_new(ctx) talloc_named_const(ctx, 0, "talloc_new: " __location__)
#define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)#define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
#define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, #type)#define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)#define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)#define talloc_array_ptrtype(ctx, ptr, count) (_TALLOC_TYPEOF(ptr))talloc_array_size(ctx, sizeof(*(ptr)), count)
#define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, #type)#define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)
#define talloc_memdup(t, p, size) _talloc_memdup(t, p, size, __location__)
#define talloc_set_type(ptr, type) talloc_set_name_const(ptr, #type)#define talloc_get_type(ptr, type) (type *)talloc_check_name(ptr, #type)
#define talloc_find_parent_bytype(ptr, type) (type *)talloc_find_parent_byname(ptr, #type)
#if TALLOC_DEPRECATED#define talloc_zero_p(ctx, type) talloc_zero(ctx, type)#define talloc_p(ctx, type) talloc(ctx, type)#define talloc_array_p(ctx, type, count) talloc_array(ctx, type, count)#define talloc_realloc_p(ctx, p, type, count) talloc_realloc(ctx, p, type, count)#define talloc_destroy(ctx) talloc_free(ctx)#define talloc_append_string(c, s, a) (s?talloc_strdup_append(s,a):talloc_strdup(c, a))#endif
/* The following definitions come from talloc.c */void *_talloc(const void *context, size_t size);void *talloc_pool(const void *context, size_t size);void _talloc_set_destructor(const void *ptr, int (*destructor)(void *));int talloc_increase_ref_count(const void *ptr);size_t talloc_reference_count(const void *ptr);void *_talloc_reference(const void *context, const void *ptr);int talloc_unlink(const void *context, void *ptr);const char *talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);void talloc_set_name_const(const void *ptr, const char *name);void *talloc_named(const void *context, size_t size, const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);void *talloc_named_const(const void *context, size_t size, const char *name);const char *talloc_get_name(const void *ptr);void *talloc_check_name(const void *ptr, const char *name);void *talloc_parent(const void *ptr);const char *talloc_parent_name(const void *ptr);void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);int talloc_free(void *ptr);void talloc_free_children(void *ptr);void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name);void *_talloc_steal(const void *new_ctx, const void *ptr);void *_talloc_move(const void *new_ctx, const void *pptr);size_t talloc_total_size(const void *ptr);size_t talloc_total_blocks(const void *ptr);void talloc_report_depth_cb(const void *ptr, int depth, int max_depth, void (*callback)(const void *ptr, int depth, int max_depth, int is_ref, void *private_data), void *private_data);void talloc_report_depth_file(const void *ptr, int depth, int max_depth, FILE *f);void talloc_report_full(const void *ptr, FILE *f);void talloc_report(const void *ptr, FILE *f);void talloc_enable_null_tracking(void);void talloc_disable_null_tracking(void);void talloc_enable_leak_report(void);void talloc_enable_leak_report_full(void);void *_talloc_zero(const void *ctx, size_t size, const char *name);void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name);void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);void *talloc_realloc_fn(const void *context, void *ptr, size_t size);void *talloc_autofree_context(void);size_t talloc_get_size(const void *ctx);void *talloc_find_parent_byname(const void *ctx, const char *name);void talloc_show_parents(const void *context, FILE *file);int talloc_is_parent(const void *context, const void *ptr);
char *talloc_strdup(const void *t, const char *p);char *talloc_strdup_append(char *s, const char *a);char *talloc_strdup_append_buffer(char *s, const char *a);
char *talloc_strndup(const void *t, const char *p, size_t n);char *talloc_strndup_append(char *s, const char *a, size_t n);char *talloc_strndup_append_buffer(char *s, const char *a, size_t n);
char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);char *talloc_vasprintf_append_buffer(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);char *talloc_asprintf_append(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);char *talloc_asprintf_append_buffer(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
// end of visibility hack from above#pragma GCC visibility pop#endif