golden hour

/opt/alt/php71/usr/include/php/Zend

File/Folder	Size	Actions
zend.h	12.09 KB
zend_API.h	55.48 KB
zend_alloc.h	18.78 KB
zend_alloc_sizes.h	2.57 KB
zend_arena.h	3.65 KB
zend_ast.h	8.12 KB
zend_bitset.h	6.71 KB
zend_build.h	1.59 KB
zend_builtin_functions.h	1.58 KB
zend_closures.h	2.03 KB
zend_compile.h	32.53 KB
zend_config.h	107 B
zend_config.nw.h	2.44 KB
zend_config.w32.h	2.72 KB
zend_constants.h	5.87 KB
zend_dtrace.h	1.91 KB
zend_errors.h	2.11 KB
zend_exceptions.h	3.85 KB
zend_execute.h	13.93 KB
zend_extensions.h	5.85 KB
zend_float.h	15.19 KB
zend_gc.h	4.77 KB
zend_generators.h	7.33 KB
zend_globals.h	7.14 KB
zend_globals_macros.h	2.71 KB
zend_hash.h	32.2 KB
zend_highlight.h	2.32 KB
zend_inheritance.h	1.91 KB
zend_ini.h	9.4 KB
zend_ini_parser.h	2.83 KB
zend_ini_scanner.h	1.93 KB
zend_ini_scanner_defs.h	224 B
zend_interfaces.h	4.22 KB
zend_istdiostream.h	1.61 KB
zend_iterators.h	3.5 KB
zend_language_parser.h	8.1 KB
zend_language_scanner.h	2.72 KB
zend_language_scanner_defs.h	296 B
zend_list.h	3.17 KB
zend_llist.h	3.81 KB
zend_long.h	4.3 KB
zend_modules.h	4.78 KB
zend_multibyte.h	4.88 KB
zend_multiply.h	8.27 KB
zend_object_handlers.h	9.17 KB
zend_objects.h	1.83 KB
zend_objects_API.h	3.54 KB
zend_operators.h	28.46 KB
zend_portability.h	13.4 KB
zend_ptr_stack.h	4.22 KB
zend_range_check.h	3.02 KB
zend_signal.h	4 KB
zend_smart_str.h	4.51 KB
zend_smart_str_public.h	1.25 KB
zend_sort.h	1.7 KB
zend_stack.h	2.41 KB
zend_stream.h	3.23 KB
zend_string.h	13.9 KB
zend_strtod.h	1.82 KB
zend_strtod_int.h	3.42 KB
zend_ts_hash.h	6.5 KB
zend_type_info.h	3.12 KB
zend_types.h	31.49 KB
zend_variables.h	5.34 KB
zend_virtual_cwd.h	12.47 KB
zend_vm.h	1.68 KB
zend_vm_def.h	250.21 KB
zend_vm_execute.h	1.9 MB
zend_vm_opcodes.h	11.9 KB

Edit: zend_smart_str.h

/*
   +----------------------------------------------------------------------+
   | PHP Version 7                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2018 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: Sascha Schumann <sascha@schumann.cx>                         |
   +----------------------------------------------------------------------+
 */

#ifndef ZEND_SMART_STR_H
#define ZEND_SMART_STR_H

#include <zend.h>
#include "zend_smart_str_public.h"

#define smart_str_appends_ex(dest, src, what) \
	smart_str_appendl_ex((dest), (src), strlen(src), (what))
#define smart_str_appends(dest, src) \
	smart_str_appendl((dest), (src), strlen(src))
#define smart_str_appendc(dest, c) \
	smart_str_appendc_ex((dest), (c), 0)
#define smart_str_appendl(dest, src, len) \
	smart_str_appendl_ex((dest), (src), (len), 0)
#define smart_str_append(dest, src) \
	smart_str_append_ex((dest), (src), 0)
#define smart_str_append_smart_str(dest, src) \
	smart_str_append_smart_str_ex((dest), (src), 0)
#define smart_str_sets(dest, src) \
	smart_str_setl((dest), (src), strlen(src));
#define smart_str_append_long(dest, val) \
	smart_str_append_long_ex((dest), (val), 0)
#define smart_str_append_unsigned(dest, val) \
	smart_str_append_unsigned_ex((dest), (val), 0)

BEGIN_EXTERN_C()

ZEND_API void ZEND_FASTCALL smart_str_erealloc(smart_str *str, size_t len);
ZEND_API void ZEND_FASTCALL smart_str_realloc(smart_str *str, size_t len);
ZEND_API void ZEND_FASTCALL smart_str_append_escaped(smart_str *str, const char *s, size_t l);

END_EXTERN_C()

static zend_always_inline size_t smart_str_alloc(smart_str *str, size_t len, zend_bool persistent) {
	if (UNEXPECTED(!str->s)) {
		goto do_smart_str_realloc;
	} else {
		len += ZSTR_LEN(str->s);
		if (UNEXPECTED(len >= str->a)) {
do_smart_str_realloc:
			if (persistent) {
				smart_str_realloc(str, len);
			} else {
				smart_str_erealloc(str, len);
			}
		}
	}
	return len;
}

static zend_always_inline void smart_str_free(smart_str *str) {
	if (str->s) {
		zend_string_release(str->s);
		str->s = NULL;
	}
	str->a = 0;
}

static zend_always_inline void smart_str_0(smart_str *str) {
	if (str->s) {
		ZSTR_VAL(str->s)[ZSTR_LEN(str->s)] = '\0';
	}
}

static zend_always_inline void smart_str_appendc_ex(smart_str *dest, char ch, zend_bool persistent) {
	size_t new_len = smart_str_alloc(dest, 1, persistent);
	ZSTR_VAL(dest->s)[new_len - 1] = ch;
	ZSTR_LEN(dest->s) = new_len;
}

static zend_always_inline void smart_str_appendl_ex(smart_str *dest, const char *str, size_t len, zend_bool persistent) {
	size_t new_len = smart_str_alloc(dest, len, persistent);
	memcpy(ZSTR_VAL(dest->s) + ZSTR_LEN(dest->s), str, len);
	ZSTR_LEN(dest->s) = new_len;
}

static zend_always_inline void smart_str_append_ex(smart_str *dest, const zend_string *src, zend_bool persistent) {
	smart_str_appendl_ex(dest, ZSTR_VAL(src), ZSTR_LEN(src), persistent);
}

static zend_always_inline void smart_str_append_smart_str_ex(smart_str *dest, const smart_str *src, zend_bool persistent) {
	if (src->s && ZSTR_LEN(src->s)) {
		smart_str_append_ex(dest, src->s, persistent);
	}
}

static zend_always_inline void smart_str_append_long_ex(smart_str *dest, zend_long num, zend_bool persistent) {
	char buf[32];
	char *result = zend_print_long_to_buf(buf + sizeof(buf) - 1, num);
	smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
}

static zend_always_inline void smart_str_append_unsigned_ex(smart_str *dest, zend_ulong num, zend_bool persistent) {
	char buf[32];
	char *result = zend_print_ulong_to_buf(buf + sizeof(buf) - 1, num);
	smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
}

static zend_always_inline void smart_str_setl(smart_str *dest, const char *src, size_t len) {
	smart_str_free(dest);
	smart_str_appendl(dest, src, len);
}

#endif