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🎥 Command line media player
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162/* 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_H_#define TA_H_
#include <stddef.h>#include <stdbool.h>#include <stdarg.h>
#ifdef __GNUC__#define TA_PRF(a1, a2) __attribute__ ((format(printf, a1, a2)))#define TA_TYPEOF(t) __typeof__(t)#else#define TA_PRF(a1, a2)#define TA_TYPEOF(t) void *#endif
// Broken crap with __USE_MINGW_ANSI_STDIO#if defined(__MINGW32__) && defined(__GNUC__) && !defined(__clang__)#undef TA_PRF#define TA_PRF(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))#endif
#define TA_STRINGIFY_(x) # x#define TA_STRINGIFY(x) TA_STRINGIFY_(x)
#ifdef NDEBUG#define TA_LOC ""#else#define TA_LOC __FILE__ ":" TA_STRINGIFY(__LINE__)#endif
// Core functionsvoid *ta_alloc_size(void *ta_parent, size_t size);void *ta_zalloc_size(void *ta_parent, size_t size);void *ta_realloc_size(void *ta_parent, void *ptr, size_t size);size_t ta_get_size(void *ptr);void ta_free(void *ptr);void ta_free_children(void *ptr);bool ta_set_destructor(void *ptr, void (*destructor)(void *));bool ta_set_parent(void *ptr, void *ta_parent);void *ta_find_parent(void *ptr);
// Utility functionssize_t ta_calc_array_size(size_t element_size, size_t count);size_t ta_calc_prealloc_elems(size_t nextidx);void *ta_new_context(void *ta_parent);void *ta_steal_(void *ta_parent, void *ptr);void *ta_memdup(void *ta_parent, void *ptr, size_t size);char *ta_strdup(void *ta_parent, const char *str);bool ta_strdup_append(char **str, const char *a);bool ta_strdup_append_buffer(char **str, const char *a);char *ta_strndup(void *ta_parent, const char *str, size_t n);bool ta_strndup_append(char **str, const char *a, size_t n);bool ta_strndup_append_buffer(char **str, const char *a, size_t n);char *ta_asprintf(void *ta_parent, const char *fmt, ...) TA_PRF(2, 3);char *ta_vasprintf(void *ta_parent, const char *fmt, va_list ap) TA_PRF(2, 0);bool ta_asprintf_append(char **str, const char *fmt, ...) TA_PRF(2, 3);bool ta_vasprintf_append(char **str, const char *fmt, va_list ap) TA_PRF(2, 0);bool ta_asprintf_append_buffer(char **str, const char *fmt, ...) TA_PRF(2, 3);bool ta_vasprintf_append_buffer(char **str, const char *fmt, va_list ap) TA_PRF(2, 0);
#define ta_new(ta_parent, type) (type *)ta_alloc_size(ta_parent, sizeof(type))#define ta_znew(ta_parent, type) (type *)ta_zalloc_size(ta_parent, sizeof(type))
#define ta_new_array(ta_parent, type, count) \ (type *)ta_alloc_size(ta_parent, ta_calc_array_size(sizeof(type), count))
#define ta_znew_array(ta_parent, type, count) \ (type *)ta_zalloc_size(ta_parent, ta_calc_array_size(sizeof(type), count))
#define ta_new_array_size(ta_parent, element_size, count) \ ta_alloc_size(ta_parent, ta_calc_array_size(element_size, count))
#define ta_realloc(ta_parent, ptr, type, count) \ (type *)ta_realloc_size(ta_parent, ptr, ta_calc_array_size(sizeof(type), count))
#define ta_new_ptrtype(ta_parent, ptr) \ (TA_TYPEOF(ptr))ta_alloc_size(ta_parent, sizeof(*ptr))
#define ta_new_array_ptrtype(ta_parent, ptr, count) \ (TA_TYPEOF(ptr))ta_new_array_size(ta_parent, sizeof(*(ptr)), count)
#define ta_steal(ta_parent, ptr) (TA_TYPEOF(ptr))ta_steal_(ta_parent, ptr)
#define ta_dup_ptrtype(ta_parent, ptr) \ (TA_TYPEOF(ptr))ta_memdup(ta_parent, ptr, sizeof(*(ptr)))
// Ugly macros that crash on OOM.// All of these mirror real functions (with a 'x' added after the 'ta_'// prefix), and the only difference is that they will call abort() on allocation// failures (such as out of memory conditions), instead of returning an error// code.#define ta_xalloc_size(...) ta_oom_p(ta_alloc_size(__VA_ARGS__))#define ta_xzalloc_size(...) ta_oom_p(ta_zalloc_size(__VA_ARGS__))#define ta_xset_destructor(...) ta_oom_b(ta_set_destructor(__VA_ARGS__))#define ta_xset_parent(...) ta_oom_b(ta_set_parent(__VA_ARGS__))#define ta_xnew_context(...) ta_oom_p(ta_new_context(__VA_ARGS__))#define ta_xstrdup_append(...) ta_oom_b(ta_strdup_append(__VA_ARGS__))#define ta_xstrdup_append_buffer(...) ta_oom_b(ta_strdup_append_buffer(__VA_ARGS__))#define ta_xstrndup_append(...) ta_oom_b(ta_strndup_append(__VA_ARGS__))#define ta_xstrndup_append_buffer(...) ta_oom_b(ta_strndup_append_buffer(__VA_ARGS__))#define ta_xasprintf(...) ta_oom_s(ta_asprintf(__VA_ARGS__))#define ta_xvasprintf(...) ta_oom_s(ta_vasprintf(__VA_ARGS__))#define ta_xasprintf_append(...) ta_oom_b(ta_asprintf_append(__VA_ARGS__))#define ta_xvasprintf_append(...) ta_oom_b(ta_vasprintf_append(__VA_ARGS__))#define ta_xasprintf_append_buffer(...) ta_oom_b(ta_asprintf_append_buffer(__VA_ARGS__))#define ta_xvasprintf_append_buffer(...) ta_oom_b(ta_vasprintf_append_buffer(__VA_ARGS__))#define ta_xnew(...) ta_oom_g(ta_new(__VA_ARGS__))#define ta_xznew(...) ta_oom_g(ta_znew(__VA_ARGS__))#define ta_xnew_array(...) ta_oom_g(ta_new_array(__VA_ARGS__))#define ta_xznew_array(...) ta_oom_g(ta_znew_array(__VA_ARGS__))#define ta_xnew_array_size(...) ta_oom_p(ta_new_array_size(__VA_ARGS__))#define ta_xnew_ptrtype(...) ta_oom_g(ta_new_ptrtype(__VA_ARGS__))#define ta_xnew_array_ptrtype(...) ta_oom_g(ta_new_array_ptrtype(__VA_ARGS__))#define ta_xdup_ptrtype(...) ta_oom_g(ta_dup_ptrtype(__VA_ARGS__))
#define ta_xsteal(ta_parent, ptr) (TA_TYPEOF(ptr))ta_xsteal_(ta_parent, ptr)#define ta_xrealloc(ta_parent, ptr, type, count) \ (type *)ta_xrealloc_size(ta_parent, ptr, ta_calc_array_size(sizeof(type), count))
// Can't be macros, because the OOM logic is slightly less trivial.char *ta_xstrdup(void *ta_parent, const char *str);char *ta_xstrndup(void *ta_parent, const char *str, size_t n);void *ta_xsteal_(void *ta_parent, void *ptr);void *ta_xmemdup(void *ta_parent, void *ptr, size_t size);void *ta_xrealloc_size(void *ta_parent, void *ptr, size_t size);
#ifndef TA_NO_WRAPPERS#define ta_alloc_size(...) ta_dbg_set_loc(ta_alloc_size(__VA_ARGS__), TA_LOC)#define ta_zalloc_size(...) ta_dbg_set_loc(ta_zalloc_size(__VA_ARGS__), TA_LOC)#define ta_realloc_size(...) ta_dbg_set_loc(ta_realloc_size(__VA_ARGS__), TA_LOC)#define ta_memdup(...) ta_dbg_set_loc(ta_memdup(__VA_ARGS__), TA_LOC)#define ta_xmemdup(...) ta_dbg_set_loc(ta_xmemdup(__VA_ARGS__), TA_LOC)#define ta_xrealloc_size(...) ta_dbg_set_loc(ta_xrealloc_size(__VA_ARGS__), TA_LOC)#endif
void ta_oom_b(bool b);char *ta_oom_s(char *s);void *ta_oom_p(void *p);// Generic pointer#define ta_oom_g(ptr) (TA_TYPEOF(ptr))ta_oom_p(ptr)
void ta_enable_leak_report(void);void *ta_dbg_set_loc(void *ptr, const char *name);void *ta_dbg_mark_as_string(void *ptr);
#endif