1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sascha Schumann <sascha@schumann.cx> |
16 | Xinchen Hui <laruence@php.net> |
17 +----------------------------------------------------------------------+
18 */
19
20 /* $Id$ */
21
22 #ifndef PHP_SMART_STRING_H
23 #define PHP_SMART_STRING_H
24
25 #include "php_smart_string_public.h"
26
27 #include <stdlib.h>
28 #ifndef SMART_STR_USE_REALLOC
29 #include <zend.h>
30 #endif
31
32 #define smart_string_0(x) do { \
33 if ((x)->c) { \
34 (x)->c[(x)->len] = '\0'; \
35 } \
36 } while (0)
37
38 #ifndef SMART_STRING_PREALLOC
39 #define SMART_STRING_PREALLOC 128
40 #endif
41
42 #ifndef SMART_STRING_START_SIZE
43 #define SMART_STRING_START_SIZE 78
44 #endif
45
46 #ifdef SMART_STRING_USE_REALLOC
47 #define SMART_STRING_REALLOC(a,b,c) realloc((a),(b))
48 #else
49 #define SMART_STRING_REALLOC(a,b,c) perealloc((a),(b),(c))
50 #endif
51
52 #define SMART_STRING_DO_REALLOC(d, what) \
53 (d)->c = SMART_STRING_REALLOC((d)->c, (d)->a + 1, (what))
54
55 #define smart_string_alloc4(d, n, what, newlen) do { \
56 if (!(d)->c) { \
57 (d)->len = 0; \
58 newlen = (n); \
59 (d)->a = newlen < SMART_STRING_START_SIZE \
60 ? SMART_STRING_START_SIZE \
61 : newlen + SMART_STRING_PREALLOC; \
62 SMART_STRING_DO_REALLOC(d, what); \
63 } else { \
64 newlen = (d)->len + (n); \
65 if (newlen >= (d)->a) { \
66 (d)->a = newlen + SMART_STRING_PREALLOC; \
67 SMART_STRING_DO_REALLOC(d, what); \
68 } \
69 } \
70 } while (0)
71
72 #define smart_string_alloc(d, n, what) \
73 smart_string_alloc4((d), (n), (what), newlen)
74
75 /* wrapper */
76
77 #define smart_string_appends_ex(dest, src, what) \
78 smart_string_appendl_ex((dest), (src), strlen(src), (what))
79 #define smart_string_appends(dest, src) \
80 smart_string_appendl((dest), (src), strlen(src))
81
82 #define smart_string_appendc(dest, c) \
83 smart_string_appendc_ex((dest), (c), 0)
84 #define smart_string_free(s) \
85 smart_string_free_ex((s), 0)
86 #define smart_string_appendl(dest, src, len) \
87 smart_string_appendl_ex((dest), (src), (len), 0)
88 #define smart_string_append(dest, src) \
89 smart_string_append_ex((dest), (src), 0)
90 #define smart_string_append_long(dest, val) \
91 smart_string_append_long_ex((dest), (val), 0)
92 #define smart_string_append_unsigned(dest, val) \
93 smart_string_append_unsigned_ex((dest), (val), 0)
94
95 #define smart_string_appendc_ex(dest, ch, what) do { \
96 register size_t __nl; \
97 smart_string_alloc4((dest), 1, (what), __nl); \
98 (dest)->len = __nl; \
99 ((unsigned char *) (dest)->c)[(dest)->len - 1] = (ch); \
100 } while (0)
101
102 #define smart_string_free_ex(s, what) do { \
103 smart_string *__s = (smart_string *) (s); \
104 if (__s->c) { \
105 pefree(__s->c, what); \
106 __s->c = NULL; \
107 } \
108 __s->a = __s->len = 0; \
109 } while (0)
110
111 #define smart_string_appendl_ex(dest, src, nlen, what) do { \
112 register size_t __nl; \
113 smart_string *__dest = (smart_string *) (dest); \
114 \
115 smart_string_alloc4(__dest, (nlen), (what), __nl); \
116 memcpy(__dest->c + __dest->len, (src), (nlen)); \
117 __dest->len = __nl; \
118 } while (0)
119
120 #define smart_string_append_generic_ex(dest, num, type, vartype, func) do { \
121 char __b[32]; \
122 char *__t = zend_print##func##_to_buf(__b + sizeof(__b) - 1, (num)); \
123 smart_string_appendl_ex((dest), __t, __b + sizeof(__b) - 1 - __t, (type)); \
124 } while (0)
125
126 #define smart_string_append_unsigned_ex(dest, num, type) \
127 smart_string_append_generic_ex((dest), (num), (type), zend_ulong, _ulong)
128
129 #define smart_string_append_long_ex(dest, num, type) \
130 smart_string_append_generic_ex((dest), (num), (type), zend_ulong, _long)
131
132 #define smart_string_append_ex(dest, src, what) \
133 smart_string_appendl_ex((dest), ((smart_string *)(src))->c, \
134 ((smart_string *)(src))->len, (what));
135
136
137 #define smart_string_setl(dest, src, nlen) do { \
138 (dest)->len = (nlen); \
139 (dest)->a = (nlen) + 1; \
140 (dest)->c = (char *) (src); \
141 } while (0)
142
143 #define smart_string_sets(dest, src) \
144 smart_string_setl((dest), (src), strlen(src));
145
146 #endif