/
php_smart_str.h
195 lines (164 loc) · 6.38 KB
/
php_smart_str.h
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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_SMART_STR_H
#define PHP_SMART_STR_H
#include "php_smart_str_public.h"
#include <stdlib.h>
#ifndef SMART_STR_USE_REALLOC
#include <zend.h>
#endif
#define smart_str_0(x) do { \
if ((x)->c) { \
(x)->c[(x)->len] = '\0'; \
} \
} while (0)
#ifndef SMART_STR_PREALLOC
#define SMART_STR_PREALLOC 128
#endif
#ifndef SMART_STR_START_SIZE
#define SMART_STR_START_SIZE 78
#endif
#ifdef SMART_STR_USE_REALLOC
#define SMART_STR_REALLOC(a,b,c) realloc((a),(b))
#else
#define SMART_STR_REALLOC(a,b,c) perealloc((a),(b),(c))
#endif
#define SMART_STR_DO_REALLOC(d, what) \
(d)->c = SMART_STR_REALLOC((d)->c, (d)->a + 1, (what))
#define smart_str_alloc4(d, n, what, newlen) do { \
if (!(d)->c) { \
(d)->len = 0; \
newlen = (n); \
(d)->a = newlen < SMART_STR_START_SIZE \
? SMART_STR_START_SIZE \
: newlen + SMART_STR_PREALLOC; \
SMART_STR_DO_REALLOC(d, what); \
} else { \
newlen = (d)->len + (n); \
if (newlen >= (d)->a) { \
(d)->a = newlen + SMART_STR_PREALLOC; \
SMART_STR_DO_REALLOC(d, what); \
} \
} \
} while (0)
#define smart_str_alloc(d, n, what) \
smart_str_alloc4((d), (n), (what), newlen)
/* wrapper */
#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_free(s) \
smart_str_free_ex((s), 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_long(dest, val) \
smart_str_append_long_ex((dest), (val), 0)
#define smart_str_append_off_t(dest, val) \
smart_str_append_off_t_ex((dest), (val), 0)
#define smart_str_append_unsigned(dest, val) \
smart_str_append_unsigned_ex((dest), (val), 0)
#define smart_str_appendc_ex(dest, ch, what) do { \
register size_t __nl; \
smart_str_alloc4((dest), 1, (what), __nl); \
(dest)->len = __nl; \
((unsigned char *) (dest)->c)[(dest)->len - 1] = (ch); \
} while (0)
#define smart_str_free_ex(s, what) do { \
smart_str *__s = (smart_str *) (s); \
if (__s->c) { \
pefree(__s->c, what); \
__s->c = NULL; \
} \
__s->a = __s->len = 0; \
} while (0)
#define smart_str_appendl_ex(dest, src, nlen, what) do { \
register size_t __nl; \
smart_str *__dest = (smart_str *) (dest); \
\
smart_str_alloc4(__dest, (nlen), (what), __nl); \
memcpy(__dest->c + __dest->len, (src), (nlen)); \
__dest->len = __nl; \
} while (0)
/* input: buf points to the END of the buffer */
#define smart_str_print_unsigned4(buf, num, vartype, result) do { \
char *__p = (buf); \
vartype __num = (num); \
*__p = '\0'; \
do { \
*--__p = (char) (__num % 10) + '0'; \
__num /= 10; \
} while (__num > 0); \
result = __p; \
} while (0)
/* buf points to the END of the buffer */
#define smart_str_print_long4(buf, num, vartype, result) do { \
if (num < 0) { \
/* this might cause problems when dealing with LONG_MIN \
and machines which don't support long long. Works \
flawlessly on 32bit x86 */ \
smart_str_print_unsigned4((buf), -(num), vartype, (result)); \
*--(result) = '-'; \
} else { \
smart_str_print_unsigned4((buf), (num), vartype, (result)); \
} \
} while (0)
/*
* these could be replaced using a braced-group inside an expression
* for GCC compatible compilers, e.g.
*
* #define f(..) ({char *r;..;__r;})
*/
static inline char *smart_str_print_long(char *buf, long num) {
char *r;
smart_str_print_long4(buf, num, unsigned long, r);
return r;
}
static inline char *smart_str_print_unsigned(char *buf, long num) {
char *r;
smart_str_print_unsigned4(buf, num, unsigned long, r);
return r;
}
#define smart_str_append_generic_ex(dest, num, type, vartype, func) do { \
char __b[32]; \
char *__t; \
smart_str_print##func##4 (__b + sizeof(__b) - 1, (num), vartype, __t); \
smart_str_appendl_ex((dest), __t, __b + sizeof(__b) - 1 - __t, (type)); \
} while (0)
#define smart_str_append_unsigned_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), unsigned long, _unsigned)
#define smart_str_append_long_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), unsigned long, _long)
#define smart_str_append_off_t_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), off_t, _long)
#define smart_str_append_ex(dest, src, what) \
smart_str_appendl_ex((dest), ((smart_str *)(src))->c, \
((smart_str *)(src))->len, (what));
#define smart_str_setl(dest, src, nlen) do { \
(dest)->len = (nlen); \
(dest)->a = (nlen) + 1; \
(dest)->c = (char *) (src); \
} while (0)
#define smart_str_sets(dest, src) \
smart_str_setl((dest), (src), strlen(src));
#endif